| I2NSF Working Group | J. Kim |
| Internet-Draft | J. Jeong |
| Intended status: Standards Track | Sungkyunkwan University |
| Expires: January 26, 2020 | J. Park |
| ETRI | |
| S. Hares | |
| Q. Lin | |
| Huawei | |
| July 25, 2019 |
I2NSF Network Security Function-Facing Interface YANG Data Model
draft-ietf-i2nsf-nsf-facing-interface-dm-07
This document defines a YANG data model for configuring security policy rules on Network Security Functions (NSF) in the Interface to Network Security Functions (I2NSF) framework. The YANG data model in this document corresponds to the information model for NSF-Facing Interface in the I2NSF framework.
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Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress."
This Internet-Draft will expire on January 26, 2020.
Copyright (c) 2019 IETF Trust and the persons identified as the document authors. All rights reserved.
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This document defines a YANG [RFC6020][RFC7950] data model for security policy rule configuration of Network Security Functions (NSF). The YANG data model corresponds to the information model [draft-ietf-i2nsf-capability] for NSF-Facing Interface in Interface to Network Security Functions (I2NSF). The YANG data model in this document focuses on security policy configuration for generic network security functions. Note that security policy configuration for advanced network security functions are defined in [draft-dong-i2nsf-asf-config].
This YANG data model uses an "Event-Condition-Action" (ECA) policy model that is used as the basis for the design of I2NSF Policy described in [RFC8329] and [draft-ietf-i2nsf-capability].
The "ietf-i2nsf-policy-rule-for-nsf" YANG module defined in this document provides the following features.
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in [RFC2119][RFC8174].
This document uses the terminology described in [draft-ietf-i2nsf-capability][RFC8431][draft-ietf-supa-generic-policy-info-model]. Especially, the following terms are from [draft-ietf-supa-generic-policy-info-model]:
A simplified graphical representation of the data model is used in this document. The meaning of the symbols in these diagrams is referred from [RFC8340].
This section shows a YANG tree diagram of generic network security functions. Note that a detailed data model for the configuration of the advanced network security functions is described in [draft-dong-i2nsf-asf-config]. The section describes the following subjects:
This section shows the YANG tree diagram for general I2NSF security policy rules.
module: ietf-i2nsf-policy-rule-for-nsf
+--rw i2nsf-security-policy
| +--rw system-policy* [system-policy-name]
| +--rw system-policy-name string
| +--rw priority-usage? identityref
| +--rw resolution-strategy? identityref
| +--rw default-action? identityref
| +--rw rules* [rule-name]
| | +--rw rule-name string
| | +--rw rule-description? string
| | +--rw rule-priority? uint8
| | +--rw rule-enable? boolean
| | +--rw rule-session-aging-time? uint16
| | +--rw rule-long-connection
| | | +--rw enable? boolean
| | | +--rw during? uint16
| | +--rw time-intervals
| | | +--rw absolute-time-interval
| | | | +--rw start-time? start-time-type
| | | | +--rw end-time? end-time-type
| | | +--rw periodic-time-interval
| | | +--rw day
| | | | +--rw every-day? boolean
| | | | +--rw specific-day* day-type
| | | +--rw month
| | | +--rw every-month? boolean
| | | +--rw specific-month* month-type
| | +--rw event-clause-container
| | | ...
| | +--rw condition-clause-container
| | | ...
| | +--rw action-clause-container
| | ...
| +--rw rule-group
| +--rw groups* [group-name]
| +--rw group-name string
| +--rw rule-range
| | +--rw start-rule? string
| | +--rw end-rule? string
| +--rw enable? boolean
| +--rw description? string
+--rw i2nsf-ipsec? identityref
Figure 1: YANG Tree Diagram for Network Security Policy
This YANG tree diagram shows the general I2NSF security policy rule for generic network security functions.
The system policy provides for multiple system policies in one NSF, and each system policy is used by one virtual instance of the NSF/device. The system policy includes system policy name, priority usage, resolutation strategy, default action, and rules.
A resolution strategy is used to decide how to resolve conflicts that occur between the actions of the same or different policy rules that are matched and contained in a particular NSF. The resolution strategy is defined as First Matching Rule (FMR), Last Matching Rule (LMR), Prioritized Matching Rule (PMR) with Errors (PMRE), and Prioritized Matching Rule with No Errors (PMRN). The resolution strategy can be extended according to specific vendor action features. The resolution strategy is described in detail in [draft-ietf-i2nsf-capability].
A default action is used to execute I2NSF policy rule when no rule matches a packet. The default action is defined as pass, drop, reject, alert, and mirror. The default action can be extended according to specific vendor action features. The default action is described in detail in [draft-ietf-i2nsf-capability].
The rules include rule name, rule description, rule priority, rule enable, time zone, event clause container, condition clause container, and action clause container.
This section shows the YANG tree diagram for an event clause for I2NSF security policy rules.
module: ietf-i2nsf-policy-rule-for-nsf
+--rw i2nsf-security-policy
| +--rw system-policy* [system-policy-name]
| ...
| +--rw rules* [rule-name]
| | ...
| | +--rw event-clause-container
| | | +--rw event-clause-description? string
| | | +--rw event-clauses
| | | +--rw system-event* identityref
| | | +--rw system-alarm* identityref
| | +--rw condition-clause-container
| | | ...
| | +--rw action-clause-container
| | ...
| +--rw rule-group
| ...
+--rw i2nsf-ipsec? identityref
Figure 2: YANG Tree Diagram for an Event Clause
This YANG tree diagram shows an event clause of an I2NSF security policy rule for generic network security functions. An event clause is any important occurrence at a specific time of a change in the system being managed, and/or in the environment of the system being managed. An event clause is used to trigger the evaluation of the condition clause of the I2NSF Policy Rule. The event clause is defined as a system event and system alarm. The event clause can be extended according to specific vendor event features. The event clause is described in detail in [draft-ietf-i2nsf-capability].
This section shows the YANG tree diagram for a condition clause of I2NSF security policy rules.
module: ietf-i2nsf-policy-rule-for-nsf
+--rw i2nsf-security-policy
| ...
| +--rw rules* [rule-name]
| | ...
| | +--rw event-clause-container
| | | ...
| | +--rw condition-clause-container
| | | +--rw condition-clause-description? string
| | | +--rw packet-security-ipv4-condition
| | | | +--rw ipv4-description? string
| | | | +--rw pkt-sec-ipv4-header-length
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw ipv4-header-length* uint8
| | | | | +--:(range-match)
| | | | | +--rw range-ipv4-header-length*
[start-ipv4-header-length end-ipv4-header-length]
| | | | | +--rw start-ipv4-header-length uint8
| | | | | +--rw end-ipv4-header-length uint8
| | | | +--rw pkt-sec-ipv4-tos* identityref
| | | | +--rw pkt-sec-ipv4-total-length
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw ipv4-total-length* uint16
| | | | | +--:(range-match)
| | | | | +--rw range-ipv4-total-length*
[start-ipv4-total-length end-ipv4-total-length]
| | | | | +--rw start-ipv4-total-length uint16
| | | | | +--rw end-ipv4-total-length uint16
| | | | +--rw pkt-sec-ipv4-id* uint16
| | | | +--rw pkt-sec-ipv4-fragment-flags* identityref
| | | | +--rw pkt-sec-ipv4-fragment-offset
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw ipv4-fragment-offset* uint16
| | | | | +--:(range-match)
| | | | | +--rw range-ipv4-fragment-offset*
[start-ipv4-fragment-offset end-ipv4-fragment-offset]
| | | | | +--rw start-ipv4-fragment-offset uint16
| | | | | +--rw end-ipv4-fragment-offset uint16
| | | | +--rw pkt-sec-ipv4-ttl
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw ipv4-ttl* uint8
| | | | | +--:(range-match)
| | | | | +--rw range-ipv4-ttl*
[start-ipv4-ttl end-ipv4-ttl]
| | | | | +--rw start-ipv4-ttl uint8
| | | | | +--rw end-ipv4-ttl uint8
| | | | +--rw pkt-sec-ipv4-protocol* identityref
| | | | +--rw pkt-sec-ipv4-src
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw ipv4-address* [ipv4]
| | | | | | +--rw ipv4 inet:ipv4-address
| | | | | | +--rw (subnet)?
| | | | | | +--:(prefix-length)
| | | | | | | +--rw prefix-length? uint8
| | | | | | +--:(netmask)
| | | | | | +--rw netmask? yang:dotted-quad
| | | | | +--:(range-match)
| | | | | +--rw range-ipv4-address*
[start-ipv4-address end-ipv4-address]
| | | | | +--rw start-ipv4-address inet:ipv4-address
| | | | | +--rw end-ipv4-address inet:ipv4-address
| | | | +--rw pkt-sec-ipv4-dest
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw ipv4-address* [ipv4]
| | | | | | +--rw ipv4 inet:ipv4-address
| | | | | | +--rw (subnet)?
| | | | | | +--:(prefix-length)
| | | | | | | +--rw prefix-length? uint8
| | | | | | +--:(netmask)
| | | | | | +--rw netmask? yang:dotted-quad
| | | | | +--:(range-match)
| | | | | +--rw range-ipv4-address*
[start-ipv4-address end-ipv4-address]
| | | | | +--rw start-ipv4-address inet:ipv4-address
| | | | | +--rw end-ipv4-address inet:ipv4-address
| | | | +--rw pkt-sec-ipv4-ipopts* identityref
| | | | +--rw pkt-sec-ipv4-sameip? boolean
| | | | +--rw pkt-sec-ipv4-geoip* string
| | | +--rw packet-security-ipv6-condition
| | | | +--rw ipv6-description? string
| | | | +--rw pkt-sec-ipv6-traffic-class* identityref
| | | | +--rw pkt-sec-ipv6-flow-label
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw ipv6-flow-label* uint32
| | | | | +--:(range-match)
| | | | | +--rw range-ipv6-flow-label*
[start-ipv6-flow-label end-ipv6-flow-label]
| | | | | +--rw start-ipv6-flow-label uint32
| | | | | +--rw end-ipv6-flow-label uint32
| | | | +--rw pkt-sec-ipv6-payload-length
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw ipv6-payload-length* uint16
| | | | | +--:(range-match)
| | | | | +--rw range-ipv6-payload-length*
[start-ipv6-payload-length end-ipv6-payload-length]
| | | | | +--rw start-ipv6-payload-length uint16
| | | | | +--rw end-ipv6-payload-length uint16
| | | | +--rw pkt-sec-ipv6-next-header* identityref
| | | | +--rw pkt-sec-ipv6-hop-limit
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw ipv6-hop-limit* uint8
| | | | | +--:(range-match)
| | | | | +--rw range-ipv6-hop-limit*
[start-ipv6-hop-limit end-ipv6-hop-limit]
| | | | | +--rw start-ipv6-hop-limit uint8
| | | | | +--rw end-ipv6-hop-limit uint8
| | | | +--rw pkt-sec-ipv6-src
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw ipv6-address* [ipv6]
| | | | | | +--rw ipv6 inet:ipv6-address
| | | | | | +--rw prefix-length? uint8
| | | | | +--:(range-match)
| | | | | +--rw range-ipv6-address*
[start-ipv6-address end-ipv6-address]
| | | | | +--rw start-ipv6-address inet:ipv6-address
| | | | | +--rw end-ipv6-address inet:ipv6-address
| | | | +--rw pkt-sec-ipv6-dest
| | | | +--rw (match-type)?
| | | | +--:(exact-match)
| | | | | +--rw ipv6-address* [ipv6]
| | | | | +--rw ipv6 inet:ipv6-address
| | | | | +--rw prefix-length? uint8
| | | | +--:(range-match)
| | | | +--rw range-ipv6-address*
[start-ipv6-address end-ipv6-address]
| | | | +--rw start-ipv6-address inet:ipv6-address
| | | | +--rw end-ipv6-address inet:ipv6-address
| | | +--rw packet-security-tcp-condition
| | | | +--rw tcp-description? string
| | | | +--rw pkt-sec-tcp-src-port-num
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw port-num* inet:port-number
| | | | | +--:(range-match)
| | | | | +--rw range-port-num*
[start-port-num end-port-num]
| | | | | +--rw start-port-num inet:port-number
| | | | | +--rw end-port-num inet:port-number
| | | | +--rw pkt-sec-tcp-dest-port-num
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw port-num* inet:port-number
| | | | | +--:(range-match)
| | | | | +--rw range-port-num*
[start-port-num end-port-num]
| | | | | +--rw start-port-num inet:port-number
| | | | | +--rw end-port-num inet:port-number
| | | | +--rw pkt-sec-tcp-seq-num
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw tcp-seq-num* uint32
| | | | | +--:(range-match)
| | | | | +--rw range-tcp-seq-num*
[start-tcp-seq-num end-tcp-seq-num]
| | | | | +--rw start-tcp-seq-num uint32
| | | | | +--rw end-tcp-seq-num uint32
| | | | +--rw pkt-sec-tcp-ack-num
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw tcp-ack-num* uint32
| | | | | +--:(range-match)
| | | | | +--rw range-tcp-ack-num*
[start-tcp-ack-num end-tcp-ack-num]
| | | | | +--rw start-tcp-ack-num uint32
| | | | | +--rw end-tcp-ack-num uint32
| | | | +--rw pkt-sec-tcp-window-size
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw tcp-window-size* uint16
| | | | | +--:(range-match)
| | | | | +--rw range-tcp-window-size*
[start-tcp-window-size end-tcp-window-size]
| | | | | +--rw start-tcp-window-size uint16
| | | | | +--rw end-tcp-window-size uint16
| | | | +--rw pkt-sec-tcp-flags* identityref
| | | +--rw packet-security-udp-condition
| | | | +--rw udp-description? string
| | | | +--rw pkt-sec-udp-src-port-num
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw port-num* inet:port-number
| | | | | +--:(range-match)
| | | | | +--rw range-port-num*
[start-port-num end-port-num]
| | | | | +--rw start-port-num inet:port-number
| | | | | +--rw end-port-num inet:port-number
| | | | +--rw pkt-sec-udp-dest-port-num
| | | | | +--rw (match-type)?
| | | | | +--:(exact-match)
| | | | | | +--rw port-num* inet:port-number
| | | | | +--:(range-match)
| | | | | +--rw range-port-num*
[start-port-num end-port-num]
| | | | | +--rw start-port-num inet:port-number
| | | | | +--rw end-port-num inet:port-number
| | | | +--rw pkt-sec-udp-total-length
| | | | +--rw (match-type)?
| | | | +--:(exact-match)
| | | | | +--rw udp-total-length* uint32
| | | | +--:(range-match)
| | | | +--rw range-udp-total-length*
[start-udp-total-length end-udp-total-length]
| | | | +--rw start-udp-total-length uint32
| | | | +--rw end-udp-total-length uint32
| | | +--rw packet-security-icmp-condition
| | | | +--rw icmp-description? string
| | | | +--rw pkt-sec-icmp-type-and-code* identityref
| | | +--rw packet-security-url-category-condition
| | | | +--rw url-category-description? string
| | | | +--rw pre-defined-category* string
| | | | +--rw user-defined-category* string
| | | +--rw packet-security-voice-condition
| | | | +--rw voice-description? string
| | | | +--rw pkt-sec-src-voice-id* string
| | | | +--rw pkt-sec-dest-voice-id* string
| | | | +--rw pkt-sec-user-agent* string
| | | +--rw packet-security-ddos-condition
| | | | +--rw ddos-description? string
| | | | +--rw pkt-sec-alert-rate? uint32
| | | +--rw packet-security-payload-condition
| | | | +--rw packet-payload-description? string
| | | | +--rw pkt-payload-content* string
| | | +--rw context-condition
| | | +--rw context-description? string
| | | +--rw application-condition
| | | | +--rw application-description? string
| | | | +--rw application-object* string
| | | | +--rw application-group* string
| | | | +--rw application-label* string
| | | | +--rw category
| | | | +--rw application-category*
[name application-subcategory]
| | | | +--rw name string
| | | | +--rw application-subcategory string
| | | +--rw target-condition
| | | | +--rw target-description? string
| | | | +--rw device-sec-context-cond
| | | | +--rw target-device* identityref
| | | +--rw users-condition
| | | | +--rw users-description? string
| | | | +--rw user
| | | | | +--rw (user-name)?
| | | | | +--:(tenant)
| | | | | | +--rw tenant uint8
| | | | | +--:(vn-id)
| | | | | +--rw vn-id uint8
| | | | +--rw group
| | | | | +--rw (group-name)?
| | | | | +--:(tenant)
| | | | | | +--rw tenant uint8
| | | | | +--:(vn-id)
| | | | | +--rw vn-id uint8
| | | | +--rw security-grup string
| | | +--rw gen-context-condition
| | | +--rw gen-context-description? string
| | | +--rw geographic-location
| | | +--rw src-geographic-location* uint32
| | | +--rw dest-geographic-location* uint32
| | +--rw action-clause-container
| | ...
| +--rw rule-group
| ...
+--rw i2nsf-ipsec? identityref
Figure 3: YANG Tree Diagram for a Condition Clause
This YANG tree diagram shows a condition clause for an I2NSF security policy rule for generic network security functions. A condition clause is defined as a set of attributes, features, and/or values that are to be compared with a set of known attributes, features, and/or values in order to determine whether or not the set of actions in that (imperative) I2NSF policy rule can be executed or not. A condition clause is classified as a conditions of generic network security functions, advanced network security functions, or context. A condition clause of generic network security functions is defined as packet security IPv4 condition, packet security IPv6 condition, packet security tcp condition, and packet security icmp condition. A condition clause of advanced network security functions is defined as packet security url category condition, packet security voice condition, packet security DDoS condition, or packet security payload condition. A condition clause of context is defined as ACL number condition, application condition, target condition, user condition, and geography condition. Note that this document deals only with simple conditions of advanced network security functions. A condition clauses of advanced network security functions are described in detail in [draft-dong-i2nsf-asf-config]. A condition clause can be extended according to specific vendor condition features. A condition clause is described in detail in [draft-ietf-i2nsf-capability].
This section shows the YANG tree diagram for an action clause of an I2NSF security policy rule.
module: ietf-i2nsf-policy-rule-for-nsf
+--rw i2nsf-security-policy
| ...
| +--rw rules* [rule-name]
| | ...
| | +--rw event-clause-container
| | | ...
| | +--rw condition-clause-container
| | | ...
| | +--rw action-clause-container
| | +--rw action-clause-description? string
| | +--rw packet-action
| | | +--rw ingress-action? identityref
| | | +--rw egress-action? identityref
| | | +--rw log-action? identityref
| | +--rw advanced-action
| | +--rw content-security-control* identityref
| | +--rw attack-mitigation-control* identityref
| +--rw rule-group
| ...
+--rw i2nsf-ipsec? identityref
Figure 4: YANG Tree Diagram for an Action Clause
This YANG tree diagram shows an action clause of an I2NSF security policy rule for generic network security functions. An action is used to control and monitor aspects of flow-based NSFs when the policy rule event and condition clauses are satisfied. NSFs provide security services by executing various actions. The action clause is defined as ingress action, egress action, or log action for packet action, and advanced action for additional inspection. The action clause can be extended according to specific vendor action features. The action clause is described in detail in [draft-ietf-i2nsf-capability].
This section shows the YANG tree diagram for an I2NSF IPsec.
module: ietf-i2nsf-policy-rule-for-nsf
+--rw i2nsf-security-policy
| ...
| +--rw rules* [rule-name]
| | ...
| | +--rw event-clause-container
| | | ...
| | +--rw condition-clause-container
| | | ...
| | +--rw action-clause-container
| | ...
| +--rw rule-group
| ...
+--rw i2nsf-ipsec? identityref
Figure 5: YANG Tree Diagram for I2NSF Internet Key Exchnage
This YANG tree diagram shows an I2NSF IPsec specification for an Internet Key Exchange IKE). An I2NSF IPsec specification is used to define a method required to manage IPsec parameters for creating IPsec Security Associations (SAs) between two NSFs through either the IKEv2 protocol or the Security Controller [draft-ietf-i2nsf-sdn-ipsec-flow-protection]. I2NSF IPsec considers two cases, theIKE case (i.e., IPsec through IKE) and IKE-less case (i.e., IPsec not through IKE, but through a Security Controller). Refer to [draft-ietf-i2nsf-sdn-ipsec-flow-protection] for the detailed description of the I2NSF IPsec.
This section contains a YANG data module for configuration of security policy rules on network security functions.
<CODE BEGINS> file "ietf-i2nsf-policy-rule-for-nsf@2019-07-25.yang"
module ietf-i2nsf-policy-rule-for-nsf {
yang-version 1.1;
namespace
"urn:ietf:params:xml:ns:yang:ietf-i2nsf-policy-rule-for-nsf";
prefix
nsfintf;
import ietf-inet-types{
prefix inet;
reference "RFC 6991";
}
import ietf-yang-types{
prefix yang;
reference "RFC 6991";
}
organization
"IETF I2NSF (Interface to Network Security Functions)
Working Group";
contact
"WG Web: <http://tools.ietf.org/wg/i2nsf>
WG List: <mailto:i2nsf@ietf.org>
WG Chair: Linda Dunbar
<mailto:ldunbar@futurewei.com>
WG Chair: Yoav Nir
<mailto:ynir.ietf@gmail.com>
Editor: Jingyong Tim Kim
<mailto:timkim@skku.edu>
Editor: Jaehoon Paul Jeong
<mailto:pauljeong@skku.edu>
Editor: Susan Hares
<mailto:shares@ndzh.com>";
description
"This module defines a YANG data module for the Network Security
Functions (NSF) facing interface.
Copyright (c) 2018 IETF Trust and the persons
identified as authors of the code. All rights reserved.
Redistribution and use in source and binary forms, with or
without modification, is permitted pursuant to, and subject
to the license terms contained in, the Simplified BSD License
set forth in Section 4.c of the IETF Trust's Legal Provisions
Relating to IETF Documents
(http://trustee.ietf.org/license-info).
This version of this YANG module is part of RFC 8341; see
the RFC itself for full legal notices.";
revision "2019-07-25"{
description "Initial revision.";
reference
"RFC XXXX: I2NSF Network Security Function-Facing Interface
YANG Data Model";
}
/*
* Identities
*/
identity priority-usage-type {
description
"Base identity for priority usage type.";
}
identity priority-by-order {
base priority-usage-type;
description
"Identity for priority by order";
}
identity priority-by-number {
base priority-usage-type;
description
"Identity for priority by number";
}
identity event {
description
"Base identity for policy events";
reference
"draft-ietf-i2nsf-nsf-monitoring-data-model-01
- Event";
}
identity system-event {
base event;
description
"Identity for system events";
reference
"draft-ietf-i2nsf-nsf-monitoring-data-model-01
- System event";
}
identity system-alarm {
base event;
description
"Identity for system alarms";
reference
"draft-ietf-i2nsf-nsf-monitoring-data-model-01
- System alarm";
}
identity access-violation {
base system-event;
description
"Identity for access violation
system events";
reference
"draft-ietf-i2nsf-nsf-monitoring-data-model-01
- System event";
}
identity configuration-change {
base system-event;
description
"Identity for configuration change
system events";
reference
"draft-ietf-i2nsf-nsf-monitoring-data-model-01
- System event";
}
identity memory-alarm {
base system-alarm;
description
"Identity for memory alarm
system alarms";
reference
"draft-ietf-i2nsf-nsf-monitoring-data-model-01
- System alarm";
}
identity cpu-alarm {
base system-alarm;
description
"Identity for CPU alarm
system alarms";
reference
"draft-ietf-i2nsf-nsf-monitoring-data-model-01
- System alarm";
}
identity disk-alarm {
base system-alarm;
description
"Identity for disk alarm
system alarms";
reference
"draft-ietf-i2nsf-nsf-monitoring-data-model-01
- System alarm";
}
identity hardware-alarm {
base system-alarm;
description
"Identity for hardware alarm
system alarms";
reference
"draft-ietf-i2nsf-nsf-monitoring-data-model-01
- System alarm";
}
identity interface-alarm {
base system-alarm;
description
"Identity for interface alarm
system alarms";
reference
"draft-ietf-i2nsf-nsf-monitoring-data-model-01
- System alarm";
}
identity type-of-service {
description
"Base identity for type of service of IPv4";
reference
"RFC 791: Internet Protocol - Type of Service";
}
identity traffic-class {
description
"Base identity for traffic-class of IPv6";
reference
"RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Traffic Class";
}
identity normal {
base type-of-service;
base traffic-class;
description
"Identity for normal IPv4 TOS and IPv6 Traffic Class";
reference
"RFC 791: Internet Protocol - Type of Service
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Traffic Class";
}
identity minimize-cost {
base type-of-service;
base traffic-class;
description
"Identity for 'minimize monetary cost' IPv4 TOS and
IPv6 Traffic Class";
reference
"RFC 791: Internet Protocol - Type of Service
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Traffic Class";
}
identity maximize-reliability {
base type-of-service;
base traffic-class;
description
"Identity for 'maximize reliability' IPv4 TOS and
IPv6 Traffic Class";
reference
"RFC 791: Internet Protocol - Type of Service
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Traffic Class";
}
identity maximize-throughput {
base type-of-service;
base traffic-class;
description
"Identity for 'maximize throughput' IPv4 TOS and
IPv6 Traffic Class";
reference
"RFC 791: Internet Protocol - Type of Service
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Traffic Class";
}
identity minimize-delay {
base type-of-service;
base traffic-class;
description
"Identity for 'minimize delay' IPv4 TOS and
IPv6 Traffic Class";
reference
"RFC 791: Internet Protocol - Type of Service
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Traffic Class";
}
identity maximize-security {
base type-of-service;
base traffic-class;
description
"Identity for 'maximize security' IPv4 TOS and
IPv6 Traffic Class";
reference
"RFC 791: Internet Protocol - Type of Service
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Traffic Class";
}
identity fragmentation-flags-type {
description
"Base identity for fragmentation flags type";
reference
"RFC 791: Internet Protocol - Fragmentation Flags";
}
identity fragment {
base fragmentation-flags-type;
description
"Identity for 'More fragment' flag";
reference
"RFC 791: Internet Protocol - Fragmentation Flags";
}
identity no-fragment {
base fragmentation-flags-type;
description
"Identity for 'Do not fragment' flag";
reference
"RFC 791: Internet Protocol - Fragmentation Flags";
}
identity reserved {
base fragmentation-flags-type;
description
"Identity for reserved flags";
reference
"RFC 791: Internet Protocol - Fragmentation Flags";
}
identity protocol {
description
"Base identity for protocol of IPv4";
reference
"RFC 790: Assigned numbers - Assigned Internet
Protocol Number
RFC 791: Internet Protocol - Protocol";
}
identity next-header {
description
"Base identity for IPv6 next header";
reference
"RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next Header";
}
identity icmp {
base protocol;
base next-header;
description
"Identity for ICMP IPv4 protocol and
IPv6 nett header";
reference
"RFC 790: - Assigned numbers - Assigned Internet
Protocol Number
RFC 791: Internet Protocol - Protocol
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next Header";
}
identity igmp {
base protocol;
base next-header;
description
"Identity for IGMP IPv4 protocol and
IPv6 next header";
reference
"RFC 790: - Assigned numbers - Assigned Internet
Protocol Number
RFC 791: Internet Protocol - Protocol
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next Header";
}
identity tcp {
base protocol;
base next-header;
description
"Identity for TCP protocol";
reference
"RFC 790: - Assigned numbers - Assigned Internet
Protocol Number
RFC 791: Internet Protocol - Protocol
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next Header";
}
identity igrp {
base protocol;
base next-header;
description
"Identity for IGRP IPv4 protocol
and IPv6 next header";
reference
"RFC 790: - Assigned numbers - Assigned Internet
Protocol Number
RFC 791: Internet Protocol - Protocol
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next Header";
}
identity udp {
base protocol;
base next-header;
description
"Identity for UDP IPv4 protocol
and IPv6 next header";
reference
"RFC 790: - Assigned numbers - Assigned Internet
Protocol Number
RFC 791: Internet Protocol - Protocol
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next Header";
}
identity gre {
base protocol;
base next-header;
description
"Identity for GRE IPv4 protocol
and IPv6 next header";
reference
"RFC 790: - Assigned numbers - Assigned Internet
Protocol Number
RFC 791: Internet Protocol - Protocol
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next Header";
}
identity esp {
base protocol;
base next-header;
description
"Identity for ESP IPv4 protocol
and IPv6 next header";
reference
"RFC 790: - Assigned numbers - Assigned Internet
Protocol Number
RFC 791: Internet Protocol - Protocol
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next Header";
}
identity ah {
base protocol;
base next-header;
description
"Identity for AH IPv4 protocol
and IPv6 next header";
reference
"RFC 790: - Assigned numbers - Assigned Internet
Protocol Number
RFC 791: Internet Protocol - Protocol
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next Header";
}
identity mobile {
base protocol;
base next-header;
description
"Identity for mobile IPv4 protocol
and IPv6 next header";
reference
"RFC 790: - Assigned numbers - Assigned Internet
Protocol Number
RFC 791: Internet Protocol - Protocol
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next Header";
}
identity tlsp {
base protocol;
base next-header;
description
"Identity for TLSP IPv4 protocol
and IPv6 next header";
reference
"RFC 790: - Assigned numbers - Assigned Internet
Protocol Number
RFC 791: Internet Protocol - Protocol
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next Header";
}
identity skip {
base protocol;
base next-header;
description
"Identity for skip IPv4 protocol
and IPv6 next header";
reference
"RFC 790: - Assigned numbers - Assigned Internet
Protocol Number
RFC 791: Internet Protocol - Protocol
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next Header";
}
identity ipv6-icmp {
base protocol;
base next-header;
description
"Identity for IPv6 ICMP next header";
reference
"RFC 790: - Assigned numbers - Assigned Internet
Protocol Number
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next Header";
}
identity eigrp {
base protocol;
base next-header;
description
"Identity for EIGRP IPv4 protocol
and IPv6 next header";
reference
"RFC 790: - Assigned numbers - Assigned Internet
Protocol Number
RFC 791: Internet Protocol - Protocol
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next Header";
}
identity ospf {
base protocol;
base next-header;
description
"Identity for OSPF IPv4 protocol
and IPv6 next header";
reference
"RFC 790: - Assigned numbers - Assigned Internet
Protocol Number
RFC 791: Internet Protocol - Protocol
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next Header";
}
identity l2tp {
base protocol;
base next-header;
description
"Identity for L2TP IPv4 protocol
and IPv6 next header";
reference
"RFC 790: - Assigned numbers - Assigned Internet
Protocol Number
RFC 791: Internet Protocol - Protocol
RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next Header";
}
identity ipopts {
description
"Base identity for IP options";
reference
"RFC 791: Internet Protocol - Options";
}
identity rr {
base ipopts;
description
"Identity for 'Record Route' IP Option";
reference
"RFC 791: Internet Protocol - Options";
}
identity eol {
base ipopts;
description
"Identity for 'End of List' IP Option";
reference
"RFC 791: Internet Protocol - Options";
}
identity nop {
base ipopts;
description
"Identity for 'No Operation' IP Option";
reference
"RFC 791: Internet Protocol - Options";
}
identity ts {
base ipopts;
description
"Identity for 'Timestamp' IP Option";
reference
"RFC 791: Internet Protocol - Options";
}
identity sec {
base ipopts;
description
"Identity for 'IP security' IP Option";
reference
"RFC 791: Internet Protocol - Options";
}
identity esec {
base ipopts;
description
"Identity for 'IP extended security' IP Option";
reference
"RFC 791: Internet Protocol - Options";
}
identity lsrr {
base ipopts;
description
"Identity for 'Loose Source Routing' IP Option";
reference
"RFC 791: Internet Protocol - Options";
}
identity ssrr {
base ipopts;
description
"Identity for 'Strict Source Routing' IP Option";
reference
"RFC 791: Internet Protocol - Options";
}
identity satid {
base ipopts;
description
"Identity for 'Stream Identifier' IP Option";
reference
"RFC 791: Internet Protocol - Options";
}
identity any {
base ipopts;
description
"Identity for 'any IP options
included in IPv4 packet";
reference
"RFC 791: Internet Protocol - Options";
}
identity tcp-flags {
description
"Base identity for TCP flags";
reference
"RFC 793: Transmission Control Protocol - Flags";
}
identity cwr {
base tcp-flags;
description
"Identity for 'Congestion Window Reduced' TCP flag";
reference
"RFC 793: Transmission Control Protocol - Flags";
}
identity ecn {
base tcp-flags;
description
"Identity for 'Explicit Congestion Notification'
TCP flag";
reference
"RFC 793: Transmission Control Protocol - Flags";
}
identity urg {
base tcp-flags;
description
"Identity for 'Urgent' TCP flag";
reference
"RFC 793: Transmission Control Protocol - Flags";
}
identity ack {
base tcp-flags;
description
"Identity for 'acknowledgement' TCP flag";
reference
"RFC 793: Transmission Control Protocol - Flags";
}
identity psh {
base tcp-flags;
description
"Identity for 'Push' TCP flag";
reference
"RFC 793: Transmission Control Protocol - Flags";
}
identity rst {
base tcp-flags;
description
"Identity for 'Reset' TCP flag";
reference
"RFC 793: Transmission Control Protocol - Flags";
}
identity syn {
base tcp-flags;
description
"Identity for 'Synchronize' TCP flag";
reference
"RFC 793: Transmission Control Protocol - Flags";
}
identity fin {
base tcp-flags;
description
"Identity for 'Finish' TCP flag";
reference
"RFC 793: Transmission Control Protocol - Flags";
}
identity icmp-type {
description
"Base identity for ICMP Message types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity echo-reply {
base icmp-type;
description
"Identity for 'Echo Reply' ICMP message type";
reference
"RFC 792: Internet Control Message Protocol";
}
identity destination-unreachable {
base icmp-type;
description
"Identity for 'Destination Unreachable'
ICMP message type";
reference
"RFC 792: Internet Control Message Protocol";
}
identity redirect {
base icmp-type;
description
"Identity for 'Redirect' ICMP message type";
reference
"RFC 792: Internet Control Message Protocol";
}
identity echo {
base icmp-type;
description
"Identity for 'Echo' ICMP message type";
reference
"RFC 792: Internet Control Message Protocol";
}
identity router-advertisement {
base icmp-type;
description
"Identity for 'Router Advertisement'
ICMP message type";
reference
"RFC 792: Internet Control Message Protocol";
}
identity router-solicitation {
base icmp-type;
description
"Identity for 'Router Solicitation'
ICMP message type";
reference
"RFC 792: Internet Control Message Protocol";
}
identity time-exceeded {
base icmp-type;
description
"Identity for 'Time exceeded' ICMP message type";
reference
"RFC 792: Internet Control Message Protocol";
}
identity parameter-problem {
base icmp-type;
description
"Identity for 'Parameter Problem'
ICMP message type";
reference
"RFC 792: Internet Control Message Protocol";
}
identity timestamp {
base icmp-type;
description
"Identity for 'Timestamp' ICMP message type";
reference
"RFC 792: Internet Control Message Protocol";
}
identity timestamp-reply {
base icmp-type;
description
"Identity for 'Timestamp Reply'
ICMP message type";
reference
"RFC 792: Internet Control Message Protocol";
}
identity datagram-conversion-error {
base icmp-type;
description
"Identity for 'Datagram Conversion Error'
ICMP message type";
reference
"RFC 792: Internet Control Message Protocol";
}
identity experimental-mobility-protocols {
base icmp-type;
description
"Identity for 'Experimental Mobility Protocols'
ICMP message type";
reference
"RFC 792: Internet Control Message Protocol";
}
identity extended-echo-request {
base icmp-type;
description
"Identity for 'Extended Echo Request'
ICMP message type";
reference
"RFC 792: Internet Control Message Protocol
RFC 8335: PROBE: A Utility for Probing Interfaces";
}
identity extended-echo-reply {
base icmp-type;
description
"Identity for 'Extended Echo Reply'
ICMP message type";
reference
"RFC 792: Internet Control Message Protocol
RFC 8335: PROBE: A Utility for Probing Interfaces";
}
identity net-unreachable {
base icmp-type;
description
"Identity for net unreachable
in destination unreachable types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity host-unreachable {
base icmp-type;
description
"Identity for host unreachable
in destination unreachable types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity protocol-unreachable {
base icmp-type;
description
"Identity for protocol unreachable
in destination unreachable types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity port-unreachable {
base icmp-type;
description
"Identity for port unreachable
in destination unreachable types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity fragment-set {
base icmp-type;
description
"Identity for fragmentation set
in destination unreachable types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity source-route-failed {
base icmp-type;
description
"Identity for source route failed
in destination unreachable types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity destination-network-unknown {
base icmp-type;
description
"Identity for destination network unknown
in destination unreachable types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity destination-host-unknown {
base icmp-type;
description
"Identity for destination host unknown
in destination unreachable types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity source-host-isolated {
base icmp-type;
description
"Identity for source host isolated
in destination unreachable types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity communication-prohibited-with-destination-network {
base icmp-type;
description
"Identity for which communication with destination network
is administratively prohibited in destination unreachable
types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity communication-prohibited-with-destination-host {
base icmp-type;
description
"Identity for which communication with destination host
is administratively prohibited in destination unreachable
types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity destination-network-unreachable-for-tos {
base icmp-type;
description
"Identity for destination network unreachable
for type of service in destination unreachable types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity destination-host-unreachable-for-tos {
base icmp-type;
description
"Identity for destination host unreachable
for type of service in destination unreachable types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity communication-prohibited {
base icmp-type;
description
"Identity for communication administratively prohibited
in destination unreachable types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity host-precedence-violation {
base icmp-type;
description
"Identity for host precedence violation
in destination unreachable types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity precedence-cutoff-in-effect {
base icmp-type;
description
"Identity for precedence cutoff in effect
in destination unreachable types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity redirect-datagram-for-the-network {
base icmp-type;
description
"Identity for redirect datagram for the network
(or subnet) in redirect types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity redirect-datagram-for-the-host {
base icmp-type;
description
"Identity for redirect datagram for the host
in redirect types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity redirect-datagram-for-the-tos-and-network {
base icmp-type;
description
"Identity for redirect datagram for the type of
service and network in redirect types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity redirect-datagram-for-the-tos-and-host {
base icmp-type;
description
"Identity for redirect datagram for the type of
service and host in redirect types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity normal-router-advertisement {
base icmp-type;
description
"Identity for normal router advertisement
in router advertisement types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity does-not-route-common-traffic {
base icmp-type;
description
"Identity for does not route common traffic
in router advertisement types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity time-to-live-exceeded-in-transit {
base icmp-type;
description
"Identity for time to live exceeded in transit
in time exceeded types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity fragment-reassembly-time-exceeded {
base icmp-type;
description
"Identity for fragment reassembly time exceeded
in time exceeded types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity pointer-indicates-the-error {
base icmp-type;
description
"Identity for pointer indicates the error
in parameter problem types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity missing-a-required-option {
base icmp-type;
description
"Identity for missing a required option
in parameter problem types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity bad-length {
base icmp-type;
description
"Identity for bad length
in parameter problem types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity bad-spi {
base icmp-type;
description
"Identity for bad spi
in photuris types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity authentication-failed {
base icmp-type;
description
"Identity for authentication failed
in photuris types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity decompression-failed {
base icmp-type;
description
"Identity for decompression failed
in photuris types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity decryption-failed {
base icmp-type;
description
"Identity for decryption failed
in photuris types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity need-authentication {
base icmp-type;
description
"Identity for need authentication
in photuris types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity need-authorization {
base icmp-type;
description
"Identity for need authorization
in photuris types";
reference
"RFC 792: Internet Control Message Protocol";
}
identity req-no-error {
base icmp-type;
description
"Identity for request with no error
in extended echo request types";
reference
"RFC 792: Internet Control Message Protocol
RFC 8335: PROBE: A Utility for Probing Interfaces";
}
identity rep-no-error {
base icmp-type;
description
"Identity for reply with no error
in extended echo reply types";
reference
"RFC 792: Internet Control Message Protocol
RFC 8335: PROBE: A Utility for Probing Interfaces";
}
identity malformed-query {
base icmp-type;
description
"Identity for malformed query
in extended echo reply types";
reference
"RFC 792: Internet Control Message Protocol
RFC 8335: PROBE: A Utility for Probing Interfaces";
}
identity no-such-interface {
base icmp-type;
description
"Identity for no such interface
in extended echo reply types";
reference
"RFC 792: Internet Control Message Protocol
RFC 8335: PROBE: A Utility for Probing Interfaces";
}
identity no-such-table-entry {
base icmp-type;
description
"Identity for no such table entry
in extended echo reply types";
reference
"RFC 792: Internet Control Message Protocol
RFC 8335: PROBE: A Utility for Probing Interfaces";
}
identity multiple-interfaces-satisfy-query {
base icmp-type;
description
"Identity for multiple interfaces satisfy query
in extended echo reply types";
reference
"RFC 792: Internet Control Message Protocol
RFC 8335: PROBE: A Utility for Probing Interfaces";
}
identity target-device {
description
"Base identity for target devices";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities";
}
identity pc {
base target-device;
description
"Identity for pc";
}
identity mobile-phone {
base target-device;
description
"Identity for mobile-phone";
}
identity voip-volte-phone {
base target-device;
description
"Identity for voip-volte-phone";
}
identity tablet {
base target-device;
description
"Identity for tablet";
}
identity iot {
base target-device;
description
"Identity for IoT";
}
identity vehicle {
base target-device;
description
"Identity for vehicle";
}
identity content-security-control {
description
"Base identity for content security control";
reference
"RFC 8329: Framework for Interface to
Network Security Functions - Differences
from ACL Data Models
draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities";
}
identity antivirus {
base content-security-control;
description
"Identity for antivirus";
}
identity ips {
base content-security-control;
description
"Identity for ips";
}
identity ids {
base content-security-control;
description
"Identity for ids";
}
identity url-filtering {
base content-security-control;
description
"Identity for url filtering";
}
identity mail-filtering {
base content-security-control;
description
"Identity for mail filtering";
}
identity file-blocking {
base content-security-control;
description
"Identity for file blocking";
}
identity file-isolate {
base content-security-control;
description
"Identity for file isolate";
}
identity pkt-capture {
base content-security-control;
description
"Identity for packet capture";
}
identity application-control {
base content-security-control;
description
"Identity for application control";
}
identity voip-volte {
base content-security-control;
description
"Identity for voip and volte";
}
identity attack-mitigation-control {
description
"Base identity for attack mitigation control";
reference
"RFC 8329: Framework for Interface to
Network Security Functions - Differences
from ACL Data Models
draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities";
}
identity syn-flood {
base attack-mitigation-control;
description
"Identity for syn flood";
}
identity udp-flood {
base attack-mitigation-control;
description
"Identity for udp flood";
}
identity icmp-flood {
base attack-mitigation-control;
description
"Identity for icmp flood";
}
identity ip-frag-flood {
base attack-mitigation-control;
description
"Identity for ip frag flood";
}
identity ipv6-related {
base attack-mitigation-control;
description
"Identity for ipv6 related";
}
identity http-and-https-flood {
base attack-mitigation-control;
description
"Identity for http and https flood";
}
identity dns-flood {
base attack-mitigation-control;
description
"Identity for dns flood";
}
identity dns-amp-flood {
base attack-mitigation-control;
description
"Identity for dns amp flood";
}
identity ssl-ddos {
base attack-mitigation-control;
description
"Identity for ssl ddos";
}
identity ip-sweep {
base attack-mitigation-control;
description
"Identity for ip sweep";
}
identity port-scanning {
base attack-mitigation-control;
description
"Identity for port scanning";
}
identity ping-of-death {
base attack-mitigation-control;
description
"Identity for ping of death";
}
identity teardrop {
base attack-mitigation-control;
description
"Identity for teardrop";
}
identity oversized-icmp {
base attack-mitigation-control;
description
"Identity for oversized icmp";
}
identity tracert {
base attack-mitigation-control;
description
"Identity for tracert";
}
identity ingress-action {
description
"Base identity for action";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Ingress Action";
}
identity egress-action {
description
"Base identity for egress action";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Egress action";
}
identity default-action {
description
"Base identity for default action";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Default action";
}
identity pass {
base ingress-action;
base egress-action;
base default-action;
description
"Identity for pass";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Actions and
default action";
}
identity drop {
base ingress-action;
base egress-action;
base default-action;
description
"Identity for drop";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Actions and
default action";
}
identity reject {
base ingress-action;
base egress-action;
base default-action;
description
"Identity for reject";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Actions and
default action";
}
identity alert {
base ingress-action;
base egress-action;
base default-action;
description
"Identity for alert";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Actions and
default action";
}
identity mirror {
base ingress-action;
base egress-action;
base default-action;
description
"Identity for mirror";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Actions and
default action";
}
identity log-action {
description
"Base identity for log action";
}
identity rule-log {
base log-action;
description
"Identity for rule log";
}
identity session-log {
base log-action;
description
"Identity for session log";
}
identity invoke-signaling {
base egress-action;
description
"Identity for invoke signaling";
}
identity tunnel-encapsulation {
base egress-action;
description
"Identity for tunnel encapsulation";
}
identity forwarding {
base egress-action;
description
"Identity for forwarding";
}
identity redirection {
base egress-action;
description
"Identity for redirection";
}
identity resolution-strategy {
description
"Base identity for resolution strategy";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Resolution Strategy";
}
identity fmr {
base resolution-strategy;
description
"Identity for First Matching Rule (FMR)";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Resolution Strategy";
}
identity lmr {
base resolution-strategy;
description
"Identity for Last Matching Rule (LMR)";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Resolution Strategy";
}
identity pmr {
base resolution-strategy;
description
"Identity for Prioritized Matching Rule (PMR)";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Resolution Strategy";
}
identity pmre {
base resolution-strategy;
description
"Identity for Prioritized Matching Rule
with Errors (PMRE)";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Resolution Strategy";
}
identity pmrn {
base resolution-strategy;
description
"Identity for Prioritized Matching Rule
with No Errors (PMRN)";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Resolution Strategy";
}
identity i2nsf-ipsec {
description
"Internet Key Exchnage for NSFs
in the I2NSF framework";
reference
"draft-ietf-i2nsf-sdn-ipsec-flow-protection-04
- i2nsf-ipsec";
}
identity ike {
base i2nsf-ipsec;
description
"IKE case: IPsec with IKE in the NSF";
reference
"draft-ietf-i2nsf-sdn-ipsec-flow-protection-04
- ike";
}
identity ikeless {
base i2nsf-ipsec;
description
"IKEless case: IPsec without IKEv2 in the NSF";
reference
"draft-ietf-i2nsf-sdn-ipsec-flow-protection-04
- ikeless";
}
/*
* Typedefs
*/
typedef start-time-type {
type union {
type yang:date-and-time;
type enumeration {
enum right-away {
description
"Immediate rule execution
in the system.";
}
}
}
description
"Start time when the rules are applied.";
}
typedef end-time-type {
type union {
type yang:date-and-time;
type enumeration {
enum infinitely {
description
"Infinite rule execution
in the system.";
}
}
}
description
"End time when the rules are applied.";
}
typedef day-type {
type enumeration {
enum sunday {
description
"Sunday for periodic day";
}
enum monday {
description
"Monday for periodic day";
}
enum tuesday {
description
"Tuesday for periodic day";
}
enum wednesday {
description
"Wednesday for periodic day";
}
enum thursday {
description
"Thursday for periodic day";
}
enum friday {
description
"Friday for periodic day";
}
enum saturday {
description
"Saturday for periodic day";
}
}
description
"This can be used for the rules to be applied
according to periodic day";
}
typedef month-type {
type enumeration {
enum january {
description
"January for periodic month";
}
enum february {
description
"February for periodic month";
}
enum march {
description
"March for periodic month";
}
enum april {
description
"April for periodic month";
}
enum may {
description
"May for periodic month";
}
enum june {
description
"June for periodic month";
}
enum july {
description
"July for periodic month";
}
enum august {
description
"August for periodic month";
}
enum september {
description
"September for periodic month";
}
enum october {
description
"October for periodic month";
}
enum november {
description
"November for periodic month";
}
enum december {
description
"December for periodic month";
}
}
description
"This can be used for the rules to be applied
according to periodic month";
}
/*
* Groupings
*/
grouping ipv4 {
list ipv4-address {
key "ipv4";
description
"The list of IPv4 addresses.";
leaf ipv4 {
type inet:ipv4-address;
description
"The value of IPv4 address.";
}
choice subnet {
description
"The subnet can be specified as a prefix length or
netmask.";
leaf prefix-length {
type uint8 {
range "0..32";
}
description
"The length of the subnet prefix.";
}
leaf netmask {
type yang:dotted-quad;
description
"The subnet specified as a netmask.";
}
}
}
description
"Grouping for an IPv4 address";
reference
"RFC 791: Internet Protocol - IPv4 address
RFC 8344: A YANG Data Model for IP Management";
}
grouping ipv6 {
list ipv6-address {
key "ipv6";
description
"The list of IPv6 addresses.";
leaf ipv6 {
type inet:ipv6-address;
description
"The value of IPv6 address.";
}
leaf prefix-length {
type uint8 {
range "0..128";
}
description
"The length of the subnet prefix.";
}
}
description
"Grouping for an IPv6 address";
reference
"RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - IPv6 address
RFC 8344: A YANG Data Model for IP Management";
}
grouping pkt-sec-ipv4 {
choice match-type {
description
"There are two types of security policy IPv4 address
matching - exact match and range match.";
case exact-match {
uses ipv4;
description
"Exact match for an IPv4 address.";
}
case range-match {
list range-ipv4-address {
key "start-ipv4-address end-ipv4-address";
leaf start-ipv4-address {
type inet:ipv4-address;
description
"Starting IPv4 address for a range match.";
}
leaf end-ipv4-address {
type inet:ipv4-address;
description
"Ending IPv4 address for a range match.";
}
description
"Range match for an IPv4 address.";
}
}
}
description
"Grouping for an IPv4 address.";
reference
"RFC 791: Internet Protocol - IPv4 address";
}
grouping pkt-sec-ipv6 {
choice match-type {
description
"There are two types of security policy IPv6 address
matching - exact match and range match.";
case exact-match {
uses ipv6;
description
"Exact match for an IPv6 address.";
}
case range-match {
list range-ipv6-address {
key "start-ipv6-address end-ipv6-address";
leaf start-ipv6-address {
type inet:ipv6-address;
description
"Starting IPv6 address for a range match.";
}
leaf end-ipv6-address {
type inet:ipv6-address;
description
"Ending IPv6 address for a range match.";
}
description
"Range match for an IPv6 address.";
}
}
}
description
"Grouping for IPv6 address.";
reference
"RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - IPv6 address";
}
grouping pkt-sec-port-number {
choice match-type {
description
"There are two types of security policy TCP/UDP port
matching - exact match and range match.";
case exact-match {
leaf-list port-num {
type inet:port-number;
description
"Exact match for a port number.";
}
}
case range-match {
list range-port-num {
key "start-port-num end-port-num";
leaf start-port-num {
type inet:port-number;
description
"Starting port number for a range match.";
}
leaf end-port-num {
type inet:port-number;
description
"Ending port number for a range match.";
}
description
"Range match for a port number.";
}
}
}
description
"Grouping for port number.";
reference
"RFC 793: Transmission Control Protocol - Port number
RFC 768: User Datagram Protocol - Port Number";
}
/*
* Data nodes
*/
container i2nsf-security-policy {
description
"Container for security policy
including a set of security rules according to certain logic,
i.e., their similarity or mutual relations, etc. The network
security policy can be applied to both the unidirectional
and bidirectional traffic across the NSF.
The I2NSF security policies use the Event-Condition-Action
(ECA) policy model ";
reference
"RFC 8329: Framework for Interface to Network Security
Functions - I2NSF Flow Security Policy Structure
draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Design Principles and ECA Policy Model
Overview";
list system-policy {
key "system-policy-name";
description
"The system-policy represents there could be multiple system
policies in one NSF, and each system policy is used by
one virtual instance of the NSF/device.";
leaf system-policy-name {
type string;
description
"The name of the policy.
This must be unique.";
}
leaf priority-usage {
type identityref {
base priority-usage-type;
}
default priority-by-order;
description
"Priority usage type for security policy rule:
priority by order and priority by number";
}
leaf resolution-strategy {
type identityref {
base resolution-strategy;
}
default fmr;
description
"The resolution strategies that can be used to
specify how to resolve conflicts that occur between
actions of the same or different policy rules that
are matched and contained in this particular NSF";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Resolution strategy";
}
leaf default-action {
type identityref {
base default-action;
}
default alert;
description
"This default action can be used to specify a predefined
action when no other alternative action was matched
by the currently executing I2NSF Policy Rule. An analogy
is the use of a default statement in a C switch statement.";
reference
"draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Default action";
}
list rules {
key "rule-name";
description
"This is a rule for network security functions.";
leaf rule-name {
type string;
description
"The name of the rule.";
}
leaf rule-description {
type string;
description
"This description gives more information about
rules.";
}
leaf rule-priority {
type uint8 {
range "1..255";
}
description
"The priority keyword comes with a mandatory
numeric value which can range from 1 till 255.";
}
leaf rule-enable {
type boolean;
description
"True is enable.
False is not enable.";
}
leaf session-aging-time {
type uint16;
description
"This is session aging time.";
}
container long-connection {
description
"This is long-connection";
leaf enable {
type boolean;
description
"True is enable.
False is not enbale.";
}
leaf during {
type uint16;
description
"This has long-connection during a time.";
}
}
container time-intervals {
description
"Time zone when the rules are applied";
container absolute-time-interval {
description
"Rule execution according to absolute time.
The absolute time intervals mean the exact time to
start or end.";
leaf start-time {
type start-time-type;
default right-away;
description
"Start time when the rules are applied";
}
leaf end-time {
type end-time-type;
default infinitely;
description
"End time when the rules are applied";
}
}
container periodic-time-interval {
description
"Rule execution according to periodic time.
The periodic time intervals mean repeated time like
day, week, or month.";
container day {
description
"Rule execution according to day.";
leaf every-day {
type boolean;
default true;
description
"Rule execution every day";
}
leaf-list specific-day {
when "../every-day = 'false'";
type day-type;
description
"Rule execution according
to specific day";
}
}
container month {
description
"Rule execution according to month.";
leaf every-month {
type boolean;
default true;
description
"Rule execution every day";
}
leaf-list specific-month {
when "../every-month = 'false'";
type month-type;
description
"Rule execution according
to month day";
}
}
}
}
container event-clause-container {
description
"An event is defined as any important
occurrence in time of a change in the system being
managed, and/or in the environment of the system being
managed. When used in the context of policy rules for
a flow-based NSF, it is used to determine whether the
Condition clause of the Policy Rule can be evaluated
or not. Examples of an I2NSF event include time and
user actions (e.g., logon, logoff, and actions that
violate any ACL.).";
reference
"RFC 8329: Framework for Interface to Network Security
Functions - I2NSF Flow Security Policy Structure
draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Design Principles and ECA
Policy Model Overview
draft-ietf-i2nsf-nsf-monitoring-data-model-01: A YANG
Data Model for Monitoring I2NSF Network Security
Functions - System Alarm and System Events";
leaf event-clause-description {
type string;
description
"Description for an event clause";
}
container event-clauses {
description
"System Event Clause - either a system event or
system alarm";
reference
"RFC 8329: Framework for Interface to Network Security
Functions - I2NSF Flow Security Policy Structure
draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Design Principles and ECA Policy
Model Overview
draft-ietf-i2nsf-nsf-monitoring-data-model-01: A YANG
Data Model for Monitoring I2NSF Network Security
Functions - System Alarm and System Events";
leaf-list system-event {
type identityref {
base system-event;
}
description
"The security policy rule according to
system events.";
}
leaf-list system-alarm {
type identityref {
base system-alarm;
}
description
"The security policy rule according to
system alarms.";
}
}
}
container condition-clause-container {
description
"A condition is defined as a set
of attributes, features, and/or values that are to be
compared with a set of known attributes, features,
and/or values in order to determine whether or not the
set of Actions in that (imperative) I2NSF Policy Rule
can be executed or not. Examples of I2NSF Conditions
include matching attributes of a packet or flow, and
comparing the internal state of an NSF to a desired
state.";
reference
"RFC 8329: Framework for Interface to Network Security
Functions - I2NSF Flow Security Policy Structure
draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Design Principles and ECA Policy
Model Overview";
leaf condition-clause-description {
type string;
description
"Description for a condition clause.";
}
container packet-security-ipv4-condition {
description
"The purpose of this container is to represent IPv4
packet header information to determine if the set
of policy actions in this ECA policy rule should be
executed or not.";
reference
"RFC 791: Internet Protocol";
leaf ipv4-description {
type string;
description
"ipv4 condition texual description.";
}
container pkt-sec-ipv4-header-length {
choice match-type {
description
"Security policy IPv4 Header length match -
exact match and range match.";
case exact-match {
leaf-list ipv4-header-length {
type uint8 {
range "5..15";
}
description
"Exact match for an IPv4 header length.";
}
}
case range-match {
list range-ipv4-header-length {
key "start-ipv4-header-length
end-ipv4-header-length";
leaf start-ipv4-header-length {
type uint8 {
range "5..15";
}
description
"Starting IPv4 header length for a range match.";
}
leaf end-ipv4-header-length {
type uint8 {
range "5..15";
}
description
"Ending IPv4 header length for a range match.";
}
description
"Range match for an IPv4 header length.";
}
}
}
description
"The security policy rule according to
IPv4 header length.";
reference
"RFC 791: Internet Protocol - Header length";
}
leaf-list pkt-sec-ipv4-tos {
type identityref {
base type-of-service;
}
description
"The security policy rule according to
IPv4 type of service.";
reference
"RFC 1394: Internet Protocol - Type of service";
}
container pkt-sec-ipv4-total-length {
choice match-type {
description
"Security policy IPv4 total length matching
- exact match and range match.";
case exact-match {
leaf-list ipv4-total-length {
type uint16;
description
"Exact match for an IPv4 total length.";
}
}
case range-match {
list range-ipv4-total-length {
key "start-ipv4-total-length end-ipv4-total-length";
leaf start-ipv4-total-length {
type uint16;
description
"Starting IPv4 total length for a range match.";
}
leaf end-ipv4-total-length {
type uint16;
description
"Ending IPv4 total length for a range match.";
}
description
"Range match for an IPv4 total length.";
}
}
}
description
"The security policy rule according to
IPv4 total length.";
reference
"RFC 791: Internet Protocol - Total length";
}
leaf-list pkt-sec-ipv4-id {
type uint16;
description
"The security policy rule according to
IPv4 identification.";
reference
"RFC 791: Internet Protocol - Identification";
}
leaf-list pkt-sec-ipv4-fragment-flags {
type identityref {
base fragmentation-flags-type;
}
description
"The security policy rule according to
IPv4 fragment flags.";
reference
"RFC 791: Internet Protocol - Fragment flags";
}
container pkt-sec-ipv4-fragment-offset {
choice match-type {
description
"There are two types to configure a security
policy for IPv4 fragment offset, such as exact match
and range match.";
case exact-match {
leaf-list ipv4-fragment-offset {
type uint16 {
range "0..16383";
}
description
"Exact match for an IPv4 fragment offset.";
}
}
case range-match {
list range-ipv4-fragment-offset {
key "start-ipv4-fragment-offset
end-ipv4-fragment-offset";
leaf start-ipv4-fragment-offset {
type uint16 {
range "0..16383";
}
description
"Starting IPv4 fragment offset for a range match.";
}
leaf end-ipv4-fragment-offset {
type uint16 {
range "0..16383";
}
description
"Ending IPv4 fragment offset for a range match.";
}
description
"Range match for an IPv4 fragment offset.";
}
}
}
description
"The security policy rule according to
IPv4 fragment offset.";
reference
"RFC 791: Internet Protocol - Fragment offset";
}
container pkt-sec-ipv4-ttl {
choice match-type {
description
"There are two types to configure a security
policy for IPv4 TTL, such as exact match
and range match.";
case exact-match {
leaf-list ipv4-ttl {
type uint8;
description
"Exact match for an IPv4 TTL.";
}
}
case range-match {
list range-ipv4-ttl {
key "start-ipv4-ttl end-ipv4-ttl";
leaf start-ipv4-ttl {
type uint8;
description
"Starting IPv4 TTL for a range match.";
}
leaf end-ipv4-ttl {
type uint8;
description
"Ending IPv4 TTL for a range match.";
}
description
"Range match for an IPv4 TTL.";
}
}
}
description
"The security policy rule according to
IPv4 time-to-live (TTL).";
reference
"RFC 791: Internet Protocol - Time to live";
}
leaf-list pkt-sec-ipv4-protocol {
type identityref {
base protocol;
}
description
"The security policy rule according to
IPv4 protocol.";
reference
"RFC 791: Internet Protocol - Protocol";
}
container pkt-sec-ipv4-src {
uses pkt-sec-ipv4;
description
"The security policy rule according to
IPv4 source address.";
reference
"RFC 791: Internet Protocol - IPv4 Address";
}
container pkt-sec-ipv4-dest {
uses pkt-sec-ipv4;
description
"The security policy rule according to
IPv4 destination address.";
reference
"RFC 791: Internet Protocol - IPv4 Address";
}
leaf-list pkt-sec-ipv4-ipopts {
type identityref {
base ipopts;
}
description
"The security policy rule according to
IPv4 options.";
reference
"RFC 791: Internet Protocol - Options";
}
leaf pkt-sec-ipv4-same-ip {
type boolean;
description
"Match on packets with the same IPv4 source
and IPv4 destination address.";
}
leaf-list pkt-sec-ipv4-geo-ip {
type string;
description
"The geo-ip keyword enables you to match on
the source, destination or source and destination
IP addresses of network traffic and to see to
which country it belongs. To do this, Suricata
uses GeoIP API with MaxMind database format.";
}
}
container packet-security-ipv6-condition {
description
"The purpose of this container is to represent
IPv6 packet header information to determine
if the set of policy actions in this ECA policy
rule should be executed or not.";
reference
"RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification";
leaf ipv6-description {
type string;
description
"This is description for ipv6 condition.";
}
leaf-list pkt-sec-ipv6-traffic-class {
type identityref {
base traffic-class;
}
description
"The security policy rule according to
IPv6 traffic class.";
reference
"RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Traffic class";
}
container pkt-sec-ipv6-flow-label {
choice match-type {
description
"There are two types to configure a security
policy for IPv6 flow label, such as exact match
and range match.";
case exact-match {
leaf-list ipv6-flow-label {
type uint32 {
range "0..1048575";
}
description
"Exact match for an IPv6 flow label.";
}
}
case range-match {
list range-ipv6-flow-label {
key "start-ipv6-flow-label end-ipv6-flow-label";
leaf start-ipv6-flow-label {
type uint32 {
range "0..1048575";
}
description
"Starting IPv6 flow label for a range match.";
}
leaf end-ipv6-flow-label {
type uint32 {
range "0..1048575";
}
description
"Ending IPv6 flow label for a range match.";
}
description
"Range match for an IPv6 flow label.";
}
}
}
description
"The security policy rule according to
IPv6 flow label.";
reference
"RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Flow label";
}
container pkt-sec-ipv6-payload-length {
choice match-type {
description
"There are two types to configure a security
policy for IPv6 payload length, such as
exact match and range match.";
case exact-match {
leaf-list ipv6-payload-length {
type uint16;
description
"Exact match for an IPv6 payload length.";
}
}
case range-match {
list range-ipv6-payload-length {
key "start-ipv6-payload-length
end-ipv6-payload-length";
leaf start-ipv6-payload-length {
type uint16;
description
"Starting IPv6 payload length for a range match.";
}
leaf end-ipv6-payload-length {
type uint16;
description
"Ending IPv6 payload length for a range match.";
}
description
"Range match for an IPv6 payload length.";
}
}
}
description
"The security policy rule according to
IPv6 payload length.";
reference
"RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Payload length";
}
leaf-list pkt-sec-ipv6-next-header {
type identityref {
base next-header;
}
description
"The security policy rule according to
IPv6 next header.";
reference
"RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Next header";
}
container pkt-sec-ipv6-hop-limit {
choice match-type {
description
"There are two types to configure a security
policy for IPv6 hop limit, such as exact match
and range match.";
case exact-match {
leaf-list ipv6-hop-limit {
type uint8;
description
"Exact match for an IPv6 hop limit.";
}
}
case range-match {
list range-ipv6-hop-limit {
key "start-ipv6-hop-limit end-ipv6-hop-limit";
leaf start-ipv6-hop-limit {
type uint8;
description
"Start IPv6 hop limit for a range match.";
}
leaf end-ipv6-hop-limit {
type uint8;
description
"End IPv6 hop limit for a range match.";
}
description
"Range match for an IPv6 hop limit.";
}
}
}
description
"The security policy rule according to
IPv6 hop limit.";
reference
"RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - Hop limit";
}
container pkt-sec-ipv6-src {
uses pkt-sec-ipv6;
description
"The security policy rule according to
IPv6 source address.";
reference
"RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - IPv6 address";
}
container pkt-sec-ipv6-dest {
uses pkt-sec-ipv6;
description
"The security policy rule according to
IPv6 destination address.";
reference
"RFC 8200: Internet Protocol, Version 6 (IPv6)
Specification - IPv6 address";
}
}
container packet-security-tcp-condition {
description
"The purpose of this container is to represent
TCP packet header information to determine
if the set of policy actions in this ECA policy
rule should be executed or not.";
reference
"RFC 793: Transmission Control Protocol";
leaf tcp-description {
type string;
description
"This is description for tcp condition.";
}
container pkt-sec-tcp-src-port-num {
uses pkt-sec-port-number;
description
"The security policy rule according to
tcp source port number.";
reference
"RFC 793: Transmission Control Protocol
- Port number";
}
container pkt-sec-tcp-dest-port-num {
uses pkt-sec-port-number;
description
"The security policy rule according to
tcp destination port number.";
reference
"RFC 793: Transmission Control Protocol
- Port number";
}
container pkt-sec-tcp-seq-num {
choice match-type {
description
"There are two types to configure a security
policy for tcp sequence number,
such as exact match and range match.";
case exact-match {
leaf-list tcp-seq-num {
type uint32;
description
"Exact match for an tcp sequence number.";
}
}
case range-match {
list range-tcp-seq-num {
key "start-tcp-seq-num end-tcp-seq-num";
leaf start-tcp-seq-num {
type uint32;
description
"Start tcp sequence number for a range match.";
}
leaf end-tcp-seq-num {
type uint32;
description
"End tcp sequence number for a range match.";
}
description
"Range match for a tcp sequence number.";
}
}
}
description
"The security policy rule according to
tcp sequence number.";
reference
"RFC 793: Transmission Control Protocol
- Sequence number";
}
container pkt-sec-tcp-ack-num {
choice match-type {
description
"There are two types to configure a security
policy for tcp acknowledgement number,
such as exact match and range match.";
case exact-match {
leaf-list tcp-ack-num {
type uint32;
description
"Exact match for an tcp acknowledgement number.";
}
}
case range-match {
list range-tcp-ack-num {
key "start-tcp-ack-num end-tcp-ack-num";
leaf start-tcp-ack-num {
type uint32;
description
"Start tcp acknowledgement number
for a range match.";
}
leaf end-tcp-ack-num {
type uint32;
description
"End tcp acknowledgement number
for a range match.";
}
description
"Range match for a tcp acknowledgement number.";
}
}
}
description
"The security policy rule according to
tcp acknowledgement number.";
reference
"RFC 793: Transmission Control Protocol
- Acknowledgement number";
}
container pkt-sec-tcp-window-size {
choice match-type {
description
"There are two types to configure a security
policy for tcp window size,
such as exact match and range match.";
case exact-match {
leaf-list tcp-window-size {
type uint16;
description
"Exact match for an tcp window size.";
}
}
case range-match {
list range-tcp-window-size {
key "start-tcp-window-size end-tcp-window-size";
leaf start-tcp-window-size {
type uint16;
description
"Start tcp window size for a range match.";
}
leaf end-tcp-window-size {
type uint16;
description
"End tcp window size for a range match.";
}
description
"Range match for a tcp window size.";
}
}
}
description
"The security policy rule according to
tcp window size.";
reference
"RFC 793: Transmission Control Protocol
- Window size";
}
leaf-list pkt-sec-tcp-flags {
type identityref {
base tcp-flags;
}
description
"The security policy rule according to
tcp flags.";
reference
"RFC 793: Transmission Control Protocol
- Flags";
}
}
container packet-security-udp-condition {
description
"The purpose of this container is to represent
UDP packet header information to determine
if the set of policy actions in this ECA policy
rule should be executed or not.";
reference
"RFC 793: Transmission Control Protocol";
leaf udp-description {
type string;
description
"This is description for udp condition.";
}
container pkt-sec-udp-src-port-num {
uses pkt-sec-port-number;
description
"The security policy rule according to
udp source port number.";
reference
"RFC 793: Transmission Control Protocol
- Port number";
}
container pkt-sec-udp-dest-port-num {
uses pkt-sec-port-number;
description
"The security policy rule according to
udp destination port number.";
reference
"RFC 768: User Datagram Protocol
- Total Length";
}
container pkt-sec-udp-total-length {
choice match-type {
description
"There are two types to configure a security
policy for udp sequence number,
such as exact match and range match.";
case exact-match {
leaf-list udp-total-length {
type uint32;
description
"Exact match for an udp-total-length.";
}
}
case range-match {
list range-udp-total-length {
key "start-udp-total-length end-udp-total-length";
leaf start-udp-total-length {
type uint32;
description
"Start udp total length for a range match.";
}
leaf end-udp-total-length {
type uint32;
description
"End udp total length for a range match.";
}
description
"Range match for a udp total length.";
}
}
}
description
"The security policy rule according to
udp total length.";
reference
"RFC 768: User Datagram Protocol
- Total Length";
}
}
container packet-security-icmp-condition {
description
"The purpose of this container is to represent
ICMP packet header information to determine
if the set of policy actions in this ECA policy
rule should be executed or not.";
reference
"RFC 792: Internet Control Message Protocol
RFC 8335: PROBE: A Utility for Probing Interfaces";
leaf icmp-description {
type string;
description
"This is description for icmp condition.";
}
leaf-list pkt-sec-icmp-type-and-code {
type identityref {
base icmp-type;
}
description
"The security policy rule according to
ICMP parameters.";
reference
"RFC 792: Internet Control Message Protocol
RFC 8335: PROBE: A Utility for Probing Interfaces";
}
}
container packet-security-url-category-condition {
description
"Condition for url category";
leaf url-category-description {
type string;
description
"This is description for url category condition.
Vendors can write instructions for context condition
that vendor made";
}
leaf-list pre-defined-category {
type string;
description
"This is pre-defined-category.";
}
leaf-list user-defined-category {
type string;
description
"This user-defined-category.";
}
}
container packet-security-voice-condition {
description
"For the VoIP/VoLTE security system, a VoIP/
VoLTE security system can monitor each
VoIP/VoLTE flow and manage VoIP/VoLTE
security rules controlled by a centralized
server for VoIP/VoLTE security service
(called VoIP IPS). The VoIP/VoLTE security
system controls each switch for the
VoIP/VoLTE call flow management by
manipulating the rules that can be added,
deleted, or modified dynamically.";
reference
"RFC 3261: SIP: Session Initiation Protocol";
leaf voice-description {
type string;
description
"This is description for voice condition.";
}
leaf-list pkt-sec-src-voice-id {
type string;
description
"The security policy rule according to
a source voice ID for VoIP and VoLTE.";
}
leaf-list pkt-sec-dest-voice-id {
type string;
description
"The security policy rule according to
a destination voice ID for VoIP and VoLTE.";
}
leaf-list pkt-sec-user-agent {
type string;
description
"The security policy rule according to
an user agent for VoIP and VoLTE.";
}
}
container packet-security-ddos-condition {
description
"Condition for DDoS attack.";
leaf ddos-description {
type string;
description
"This is description for ddos condition.";
}
leaf pkt-sec-alert-rate {
type uint32;
description
"The alert rate of flood detect for
same packets.";
}
}
container packet-security-payload-condition {
description
"Condition for packet payload";
leaf packet-payload-description {
type string;
description
"This is description for payload condition.
Vendors can write instructions for payload condition
that vendor made";
}
leaf-list pkt-payload-content {
type string;
description
"The content keyword is very important in
signatures. Between the quotation marks you
can write on what you would like the
signature to match.";
}
}
container context-condition {
description
"Condition for context";
leaf context-description {
type string;
description
"This is description for context condition.
Vendors can write instructions for context condition
that vendor made";
}
container application-condition {
description
"Condition for application";
leaf application-description {
type string;
description
"This is description for application condition.";
}
leaf-list application-object {
type string;
description
"This is application object.";
}
leaf-list application-group {
type string;
description
"This is application group.";
}
leaf-list application-label {
type string;
description
"This is application label.";
}
container category {
description
"This is application category";
list application-category {
key "name application-subcategory";
description
"This is application category list";
leaf name {
type string;
description
"This is name for application category.";
}
leaf application-subcategory {
type string;
description
"This is application subcategory.";
}
}
}
}
container target-condition {
description
"Condition for target";
leaf target-description {
type string;
description
"This is description for target condition.
Vendors can write instructions for target condition
that vendor made";
}
container device-sec-context-cond {
description
"The device attribute that can identify a device,
including the device type (i.e., router, switch,
pc, ios, or android) and the device's owner as
well.";
leaf-list target-device {
type identityref {
base target-device;
}
description
"Leaf list for target devices";
}
}
}
container users-condition {
description
"Condition for users";
leaf users-description {
type string;
description
"This is description for user condition.
Vendors can write instructions for user condition
that vendor made";
}
container user{
description
"The user (or user group) information with which
network flow is associated: The user has many
attributes such as name, id, password, type,
authentication mode and so on. Name/id is often
used in the security policy to identify the user.
Besides, NSF is aware of the IP address of the
user provided by a unified user management system
via network. Based on name-address association,
NSF is able to enforce the security functions
over the given user (or user group)";
choice user-name {
description
"The name of the user.";
case tenant {
description
"Tenant information.";
leaf tenant {
type uint8;
description
"User's tenant information.";
}
}
case vn-id {
description
"VN-ID information.";
leaf vn-id {
type uint8;
description
"User's VN-ID information.";
}
}
}
}
container group {
description
"The user (or user group) information with which
network flow is associated: The user has many
attributes such as name, id, password, type,
authentication mode and so on. Name/id is often
used in the security policy to identify the user.
Besides, NSF is aware of the IP address of the
user provided by a unified user management system
via network. Based on name-address association,
NSF is able to enforce the security functions
over the given user (or user group)";
choice group-name {
description
"The name of the user.";
case tenant {
description
"Tenant information.";
leaf tenant {
type uint8;
description
"User's tenant information.";
}
}
case vn-id {
description
"VN-ID information.";
leaf vn-id {
type uint8;
description
"User's VN-ID information.";
}
}
}
}
leaf security-group {
type string;
description
"security-group.";
}
}
container gen-context-condition {
description
"Condition for generic context";
leaf gen-context-description {
type string;
description
"This is description for generic context condition.
Vendors can write instructions for generic context
condition that vendor made";
}
container geographic-location {
description
"The location where network traffic is associated
with. The region can be the geographic location
such as country, province, and city,
as well as the logical network location such as
IP address, network section, and network domain.";
leaf-list src-geographic-location {
type uint32;
description
"This is mapped to ip address. We can acquire
source region through ip address stored in the
database.";
}
leaf-list dest-geographic-location {
type uint32;
description
"This is mapped to ip address. We can acquire
destination region through ip address stored
in the database.";
}
}
}
}
}
container action-clause-container {
description
"An action is used to control and monitor aspects of
flow-based NSFs when the event and condition clauses
are satisfied. NSFs provide security functions by
executing various Actions. Examples of I2NSF Actions
include providing intrusion detection and/or protection,
web and flow filtering, and deep packet inspection
for packets and flows.";
reference
"RFC 8329: Framework for Interface to Network Security
Functions - I2NSF Flow Security Policy Structure
draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Design Principles and ECA Policy
Model Overview";
leaf action-clause-description {
type string;
description
"Description for an action clause.";
}
container packet-action {
description
"Action for packets";
reference
"RFC 8329: Framework for Interface to Network Security
Functions - I2NSF Flow Security Policy Structure
draft-ietf-i2nsf-capability-05: Information Model
of NSFs Capabilities - Design Principles and ECA
Policy Model Overview";
leaf ingress-action {
type identityref {
base ingress-action;
}
description
"Action: pass, drop, reject, alert, and mirror.";
}
leaf egress-action {
type identityref {
base egress-action;
}
description
"Egress action: pass, drop, reject, alert, mirror,
invoke-signaling, tunnel-encapsulation,
forwarding, and redirection.";
}
leaf log-action {
type identityref {
base log-action;
}
description
"Log action: rule log and session log";
}
}
container advanced-action {
description
"If the packet need be additionally inspected,
the packet are passed to advanced network
security functions according to the profile.";
reference
"RFC 8329: Framework for Interface to Network Security
Functions - Differences from ACL Data Models";
leaf-list content-security-control {
type identityref {
base content-security-control;
}
description
"The Profile is divided into content security
control and attack-mitigation-control.
Content security control: antivirus, ips, ids,
url filtering, mail filtering, file blocking,
file isolate, packet capture, application control,
voip and volte.";
}
leaf-list attack-mitigation-control {
type identityref {
base attack-mitigation-control;
}
description
"The Profile is divided into content security
control and attack-mitigation-control.
Attack mitigation control: syn flood, udp flood,
icmp flood, ip frag flood, ipv6 related, http flood,
https flood, dns flood, dns amp flood, ssl ddos,
ip sweep, port scanning, ping of death, teardrop,
oversized icmp, tracert.";
}
}
}
}
container rule-group {
description
"This is rule group";
list groups {
key "group-name";
description
"This is a group for rules";
leaf group-name {
type string;
description
"This is a group for rules";
}
container rule-range {
description
"This is a rule range.";
leaf start-rule {
type string;
description
"This is a start rule";
}
leaf end-rule {
type string;
description
"This is a end rule";
}
}
leaf enable {
type boolean;
description
"This is enable
False is not enable.";
}
leaf description {
type string;
description
"This is a desription for rule-group";
}
}
}
}
}
leaf i2nsf-ipsec {
type identityref {
base i2nsf-ipsec;
}
description
"Internet Key Exchnage for NSFs
in the I2NSF framework";
reference
"draft-ietf-i2nsf-sdn-ipsec-flow-protection-04
- i2nsf-ipsec";
}
}
<CODE ENDS>
Figure 6: YANG Data Module of I2NSF NSF-Facing-Interface
This document requests IANA to register the following URI in the "IETF XML Registry" [RFC3688]:
This document requests IANA to register the following YANG module in the "YANG Module Names" registry [RFC7950].
The YANG module specified in this document defines a data schema designed to be accessed through network management protocols such as NETCONF [RFC6241] or RESTCONF [RFC8040]. The lowest NETCONF layer is the secure transport layer, and the required secure transport is Secure Shell (SSH) [RFC6242]. The lowest RESTCONF layer is HTTPS, and the required secure transport is TLS [RFC8446].
The NETCONF access control model [RFC8341] provides a means of restricting access to specific NETCONF or RESTCONF users to a preconfigured subset of all available NETCONF or RESTCONF protocol operations and content.
There are a number of data nodes defined in this YANG module that are writable/creatable/deletable (i.e., config true, which is the default). These data nodes may be considered sensitive or vulnerable in some network environments. Write operations (e.g., edit-config) to these data nodes without proper protection can have a negative effect on network operations. These are the subtrees and data nodes and their sensitivity/vulnerability:
Some of the readable data nodes in this YANG module may be considered sensitive or vulnerable in some network environments. It is thus important to control read access (e.g., via get, get-config, or notification) to these data nodes. These are the subtrees and data nodes and their sensitivity/vulnerability:
| [draft-dong-i2nsf-asf-config] | Pan, W. and L. Xia, "Configuration of Advanced Security Functions with I2NSF Security Controller", Internet-Draft draft-dong-i2nsf-asf-config-01, October 2018. |
| [draft-ietf-i2nsf-capability] | Xia, L., Strassner, J., Basile, C. and D. Lopez, "Information Model of NSFs Capabilities", Internet-Draft draft-ietf-i2nsf-capability-05, April 2019. |
| [draft-ietf-i2nsf-capability-data-model] | Hares, S., Jeong, J., Kim, J., Moskowitz, R. and Q. Lin, "I2NSF Capability YANG Data Model", Internet-Draft draft-ietf-i2nsf-capability-data-model-05, July 2019. |
| [draft-ietf-i2nsf-sdn-ipsec-flow-protection] | Marin-Lopez, R., Lopez-Millan, G. and F. Pereniguez-Garcia, "Software-Defined Networking (SDN)-based IPsec Flow Protection", Internet-Draft draft-ietf-i2nsf-sdn-ipsec-flow-protection-05, July 2019. |
| [draft-ietf-supa-generic-policy-info-model] | Strassner, J., Halpern, J. and S. Meer, "Generic Policy Information Model for Simplified Use of Policy Abstractions (SUPA)", Internet-Draft draft-ietf-supa-generic-policy-info-model-03, May 2017. |
This section shows configuration examples of "ietf-i2nsf-policy-rule-for-nsf" module for security policy rules of network security devices. For security requirements, we assume that the NSFs (i.e., General firewall, Time based firewall, URL filter, VoIP/VoLTE filter, and http and https flood mitigation ) described in Appendix A. Configuration Examples of [draft-ietf-i2nsf-capability-data-model] are registered in I2NSF framework. With the registed NSFs, we show configuration examples for security policy rules of network security functions according to the following three security requirements: (i) Block SNS access during business hours, (ii) Block malicious VoIP/VoLTE packets coming to the company, and (iii) Mitigate http and https flood attacks on company web server.
This section shows a configuration example for blocking SNS access during business hours.
<i2nsf-security-policy
xmlns="urn:ietf:params:xml:ns:yang:ietf-i2nsf-policy-rule-for-nsf">
<system-policy>
<system-policy-name>sns_access</system-policy-name>
<rules>
<rule-name>block_sns_access_during_operation_time</rule-name>
<time-intervals>
<absolute-time-interval>
<start-time>09:00:00Z</start-time>
<end-time>18:00:00Z</end-time>
</absolute-time-interval>
</time-intervals>
<condition-clause-container>
<packet-security-ipv4-condition>
<pkt-sec-ipv4-src>
<range-ipv4-address>
<start-ipv4-address>221.159.112.1</start-ipv4-address>
<end-ipv4-address>221.159.112.90</end-ipv4-address>
</range-ipv4-address>
</pkt-sec-ipv4-src>
</packet-security-ipv4-condition>
</condition-clause-container>
<action-clause-container>
<advanced-action>
<content-security-control>url-filtering</content-security-control>
</advanced-action>
</action-clause-container>
</rules>
</system-policy>
</i2nsf-security-policy>
Figure 7: Configuration XML for Time based Firewall to Block SNS Access during Business Hours
<i2nsf-security-policy
xmlns="urn:ietf:params:xml:ns:yang:ietf-i2nsf-policy-rule-for-nsf">
<system-policy>
<system-policy-name>sns_access</system-policy-name>
<rules>
<rule-name>block_sns_access_during_operation_time</rule-name>
<condition-clause-container>
<packet-security-url-category-condition>
<user-defined-category>facebook</user-defined-category>
<user-defined-category>instagram</user-defined-category>
</packet-security-url-category-condition>
</condition-clause-container>
<action-clause-container>
<packet-action>
<egress-action>drop</egress-action>
</packet-action>
</action-clause-container>
</rules>
</system-policy>
</i2nsf-security-policy>
Figure 8: Configuration XML for Web Filter to Block SNS Access during Business Hours
Figure 7 and Figure 8 show the configuration XML documents for time based firewall and web filter to block SNS access during business hours. For the security requirement, two NSFs (i.e., a time based firewall and a web filter) were used because one NSF can not meet the security requirement. The instances of XML documents for the time based firewall and the web filter are as follows: Note that a detailed data model for the configuration of the advanced network security function (i.e., web filter) is described in [draft-dong-i2nsf-asf-config].
Time based Firewall
Web Filter
This section shows a configuration example for blocking malicious VoIP/VoLTE packets coming to the company.
<i2nsf-security-policy
xmlns="urn:ietf:params:xml:ns:yang:ietf-i2nsf-policy-rule-for-nsf">
<system-policy>
<system-policy-name>voip_volte_inspection</system-policy-name>
<rules>
<rule-name>block_malicious_voice_id</rule-name>
<condition-clause-container>
<packet-security-ipv4-condition>
<pkt-sec-ipv4-dest>
<range-ipv4-address>
<start-ipv4-address>221.159.112.1</start-ipv4-address>
<end-ipv4-address>221.159.112.90</end-ipv4-address>
</range-ipv4-address>
</pkt-sec-ipv4-dest>
</packet-security-ipv4-condition>
<packet-security-tcp-condition>
<pkt-sec-tcp-dest-port-num>
<port-num>5060</port-num>
<port-num>5061</port-num>
</pkt-sec-tcp-dest-port-num>
</packet-security-tcp-condition>
</condition-clause-container>
<action-clause-container>
<advanced-action>
<content-security-control>voip-volte</content-security-control>
</advanced-action>
</action-clause-container>
</rules>
</system-policy>
</i2nsf-security-policy>
Figure 9: Configuration XML for General Firewall to Block Malicious VoIP/VoLTE Packets Coming to the Company
<i2nsf-security-policy
xmlns="urn:ietf:params:xml:ns:yang:ietf-i2nsf-policy-rule-for-nsf">
<system-policy>
<system-policy-name>voip_volte_inspection</system-policy-name>
<rules>
<rule-name>block_malicious_voice_id</rule-name>
<condition-clause-container>
<packet-security-voice-condition>
<pkt-sec-src-voice-id>11111@voip.black.com</pkt-sec-src-voice-id>
<pkt-sec-src-voice-id>22222@voip.black.com</pkt-sec-src-voice-id>
</packet-security-voice-condition>
</condition-clause-container>
<action-clause-container>
<packet-action>
<ingress-action>drop</ingress-action>
</packet-action>
</action-clause-container>
</rules>
</system-policy>
</i2nsf-security-policy>
Figure 10: Configuration XML for VoIP/VoLTE Filter to Block Malicious VoIP/VoLTE Packets Coming to the Company
Figure 9 and Figure 10 show the configuration XML documents for general firewall and VoIP/VoLTE filter to block malicious VoIP/VoLTE packets coming to the company. For the security requirement, two NSFs (i.e., a general firewall and a VoIP/VoLTE filter) were used because one NSF can not meet the security requirement. The instances of XML documents for the general firewall and the VoIP/VoLTE filter are as follows: Note that a detailed data model for the configuration of the advanced network security function (i.e., VoIP/VoLTE filter) is described in [draft-dong-i2nsf-asf-config].
General Firewall
VoIP/VoLTE Filter
This section shows a configuration example for mitigating http and https flood attacks on a company web server.
<i2nsf-security-policy
xmlns="urn:ietf:params:xml:ns:yang:ietf-i2nsf-policy-rule-for-nsf">
<system-policy>
<system-policy-name>flood_attack_mitigation</system-policy-name>
<rules>
<rule-name>mitigate_http_and_https_flood_attack</rule-name>
<condition-clause-container>
<packet-security-ipv4-condition>
<pkt-sec-ipv4-dest>
<ipv4-address>
<ipv4>221.159.112.95</ipv4>
</ipv4-address>
</pkt-sec-ipv4-dest>
</packet-security-ipv4-condition>
<packet-security-tcp-condition>
<pkt-sec-tcp-dest-port-num>
<port-num>80</port-num>
<port-num>443</port-num>
</pkt-sec-tcp-dest-port-num>
</packet-security-tcp-condition>
</condition-clause-container>
<action-clause-container>
<advanced-action>
<attack-mitigation-control>http-and-https-flood
</attack-mitigation-control>
</advanced-action>
</action-clause-container>
</rules>
</system-policy>
</i2nsf-security-policy>
Figure 11: Configuration XML for General Firewall to Mitigate HTTP and HTTPS Flood Attacks on a Company Web Server
<i2nsf-security-policy
xmlns="urn:ietf:params:xml:ns:yang:ietf-i2nsf-policy-rule-for-nsf">
<system-policy>
<system-policy-name>flood_attack_mitigation</system-policy-name>
<rules>
<rule-name>mitigate_http_and_https_flood_attack</rule-name>
<condition-clause-container>
<packet-security-ddos-condition>
<pkt-sec-alert-rate>100</pkt-sec-alert-rate>
</packet-security-ddos-condition>
</condition-clause-container>
<action-clause-container>
<packet-action>
<ingress-action>drop</ingress-action>
</packet-action>
</action-clause-container>
</rules>
</system-policy>
</i2nsf-security-policy>
Figure 12: Configuration XML for HTTP and HTTPS Flood Attack Mitigation to Mitigate HTTP and HTTPS Flood Attacks on a Company Web Server
Figure 11 and Figure 12 show the configuration XML documents for general firewall and http and https flood attack mitigation to mitigate http and https flood attacks on a company web server. For the security requirement, two NSFs (i.e., a general firewall and a http and https flood attack mitigation) were used because one NSF can not meet the security requirement. The instances of XML documents for the general firewall and http and https flood attack mitigation are as follows: Note that a detailed data model for the configuration of the advanced network security function (i.e., http and https flood attack mitigation) is described in [draft-dong-i2nsf-asf-config].
General Firewall
HTTP and HTTPS Flood Attack Mitigation
The following changes are made from draft-ietf-i2nsf-nsf-facing-interface-dm-06:
This work was supported by Institute of Information & Communications Technology Planning & Evaluation (IITP) grant funded by the Korea MSIT (Ministry of Science and ICT) (R-20160222-002755, Cloud based Security Intelligence Technology Development for the Customized Security Service Provisioning).
This document is made by the group effort of I2NSF working group. Many people actively contributed to this document. The following are considered co-authors: