ITU-T X 1580-2012 Real-time inter-network defence (Study Group 17)《实时网络间防御 17号研究组》.pdf

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1、 International Telecommunication Union ITU-T X.1580TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (09/2012) SERIES X: DATA NETWORKS, OPEN SYSTEM COMMUNICATIONS AND SECURITY Cybersecurity information exchange Assured exchange Real-time inter-network defence Recommendation ITU-T X.1580 ITU-T X-SERIES

2、 RECOMMENDATIONS DATA NETWORKS, OPEN SYSTEM COMMUNICATIONS AND SECURITY PUBLIC DATA NETWORKS X.1X.199 OPEN SYSTEMS INTERCONNECTION X.200X.299 INTERWORKING BETWEEN NETWORKS X.300X.399 MESSAGE HANDLING SYSTEMS X.400X.499 DIRECTORY X.500X.599 OSI NETWORKING AND SYSTEM ASPECTS X.600X.699 OSI MANAGEMENT

3、X.700X.799 SECURITY X.800X.849 OSI APPLICATIONS X.850X.899 OPEN DISTRIBUTED PROCESSING X.900X.999 INFORMATION AND NETWORK SECURITY General security aspects X.1000X.1029 Network security X.1030X.1049 Security management X.1050X.1069 Telebiometrics X.1080X.1099 SECURE APPLICATIONS AND SERVICES Multica

4、st security X.1100X.1109 Home network security X.1110X.1119 Mobile security X.1120X.1139 Web security X.1140X.1149 Security protocols X.1150X.1159 Peer-to-peer security X.1160X.1169 Networked ID security X.1170X.1179 IPTV security X.1180X.1199 CYBERSPACE SECURITY Cybersecurity X.1200X.1229 Counterin

5、g spam X.1230X.1249 Identity management X.1250X.1279 SECURE APPLICATIONS AND SERVICES Emergency communications X.1300X.1309 Ubiquitous sensor network security X.1310X.1339 CYBERSECURITY INFORMATION EXCHANGE Overview of cybersecurity X.1500X.1519 Vulnerability/state exchange X.1520X.1539 Event/incide

6、nt/heuristics exchange X.1540X.1549 Exchange of policies X.1550X.1559 Heuristics and information request X.1560X.1569 Identification and discovery X.1570X.1579 Assured exchange X.1580X.1589For further details, please refer to the list of ITU-T Recommendations. Rec. ITU-T X.1580 (09/2012) i Recommend

7、ation ITU-T X.1580 Real-time inter-network defence Summary Recommendation ITU-T X.1580 on real-time inter-network defence (RID) outlines a proactive inter-network communication method to facilitate the automation of sharing incident handling information. Implementations may integrate with existing i

8、ncident management systems as well as detection, source identification, and mitigation mechanisms for a more complete incident handling solution. RID specifies a method to securely communicate incident information, enabling the exchange of incident object description exchange format (IODEF) extensib

9、le markup language (XML) documents. RID provides a technical means to convey security, policy, and privacy controls to enable the exchange of potentially sensitive information. The technical capabilities can be mapped to the appropriate policies to enable service providers or organizations the optio

10、n to make appropriate decisions according to their policies. This Recommendation specifies RID by listing the relevant clauses of IETF RFC 6545 and showing whether they are normative or informative. History Edition Recommendation Approval Study Group 1.0 ITU-T X.1580 2012-09-07 17 ii Rec. ITU-T X.15

11、80 (09/2012) FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications, information and communication technologies (ICTs). The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is respons

12、ible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Assembly (WTSA), which meets every four years, establishes the topics for study by the ITU

13、-T study groups which, in turn, produce Recommendations on these topics. The approval of ITU-T Recommendations is covered by the procedure laid down in WTSA Resolution 1. In some areas of information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative

14、 basis with ISO and IEC. NOTE In this Recommendation, the expression “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. Compliance with this Recommendation is voluntary. However, the Recommendation may contain certain manda

15、tory provisions (to ensure, e.g., interoperability or applicability) and compliance with the Recommendation is achieved when all of these mandatory provisions are met. The words “shall“ or some other obligatory language such as “must“ and the negative equivalents are used to express requirements. Th

16、e use of such words does not suggest that compliance with the Recommendation is required of any party. INTELLECTUAL PROPERTY RIGHTS ITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. ITU take

17、s no position concerning the evidence, validity or applicability of claimed Intellectual Property Rights, whether asserted by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation, ITU had not received notice of intellectual proper

18、ty, protected by patents, which may be required to implement this Recommendation. However, implementers are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database at http:/www.itu.int/ITU-T/ipr/. ITU 2012 All rights reserved.

19、No part of this publication may be reproduced, by any means whatsoever, without the prior written permission of ITU. Rec. ITU-T X.1580 (09/2012) iii Table of Contents Page 1 Scope 1 2 References. 1 3 Definitions 1 3.1 Terms defined elsewhere 1 3.2 Terms defined in this Recommendation . 1 4 Abbreviat

20、ions and acronyms 1 5 Conventions 2 6 Real-time inter-network defence 2 6.1 Introduction 2 6.2 Characteristics of incidents . 2 6.3 Communications between CSIRTs and service providers . 2 6.4 Message formats . 2 6.5 IODEF-RID schema . 3 6.6 RID messages . 3 6.7 RID communication exchanges 3 6.8 RID

21、schema definition 4 6.9 Security requirements . 4 6.10 Security considerations . 5 6.11 Internationalization . 5 6.12 IANA considerations 5 6.13 Summary . 5 6.14 References 5 Bibliography. 6 iv Rec. ITU-T X.1580 (09/2012) Introduction Recommendation ITU-T X.1500, Overview of cybersecurity informatio

22、n exchange, provides guidance for the exchange of cybersecurity information including that for incidents and indicators as provided through this ITU-T Recommendation. Organizations can improve their situational awareness and benefit from the assistance of other organizations through the exchange of

23、incident information. The exchange of incident information enables organizations to share resources in identifying incidents, mitigating malicious activity targeting their computing resources, and gaining insight into potential threats. Incident handling may involve the detection, reporting, and mit

24、igation of an incident, whether it be a benign configuration issue, an IT incident, an infraction to a service level agreement (SLA), a socially engineered system compromise, or a denial-of-service (DoS) attack, etc. After detecting an incident, the response may include filing a report, sending that

25、 report to the source of the incident, a request for assistance in a possible resolution/mitigation, or a request to trace to the source. Real-time inter-network defence (RID) outlines a proactive inter-network communication method to facilitate sharing incident handling information. RID may be inte

26、grated with existing incident management, detection, source identification, and mitigation mechanisms for a complete incident handling solution. RID provides a technical means to convey security, policy, and privacy controls to enable the exchange of potentially sensitive information. RID enables th

27、e secure and automated exchange of incident object description exchange format (IODEF) extensible markup language (XML) documents. This gives service providers or organizations the option to make appropriate decisions according to their policies by mapping policies and agreements to the provided tec

28、hnical controls. RID includes provisions for secrecy, confidentiality, integrity and authentication for the exchange of incident information. The data in RID messages is represented in an XML document using the IODEF and an RID envelope. By following this model, IODEF and RID form an application pro

29、gramming interface for the integration with other tools for incident handling. Data markers and XML enumeration values are provided to indicate what actions are recommended to be taken in order to halt or mitigate the effects of the incident or attack. RID is intended to provide a method to communic

30、ate the relevant information. Since RID and the associated transport protocol merely provide an interface to automate communication between tools, it enables interoperability with a variety of existing and possible future detection and response approaches. Incidents may include computer security or

31、other incident types. Security and privacy considerations are of high concern since potentially sensitive information may be exchanged through RID messages. RID messaging takes advantage of existing techniques including XML security functions in addition to XML data markers to indicate privacy and p

32、olicy requirements through the RID schema. The RID schema is an XML envelope used to communicate IODEF documents. RID is defined in IETF RFC 6545. RID messages may be encapsulated for secure transport. RID transport is defined in a separate Recommendation, ITU-T X.1581. The combined authentication,

33、integrity, and authorization features of RID and RID transport may be used to achieve the necessary level of security. Numerous procedural, trust, policy and legal considerations may restrict or prevent the exchange of information. Rec. ITU-T X.1580 (09/2012) 1 Recommendation ITU-T X.1580 Real-time

34、inter-network defence 1 Scope This Recommendation specifies real-time inter-network defence (RID) and provides a method for the secure exchange of incident information. This Recommendation provides the set of incident coordination messages necessary to communicate IODEF documents securely between en

35、tities. RID is essentially an envelope for IODEF extensible markup language (XML) documents, including any extensions of IODEF. The standard messages and exchange formats include security, privacy and policy options/considerations that are necessary in a global incident coordination scheme. RID is t

36、he security layer between IODEF documents and the transport protocol, provided through both the IODEF-RID XML schema options and the security requirements of the RID communication flows. Implementations enabling the exchange of incident information must provide the capabilities to comply with all ap

37、plicable national and regional laws, regulations and policies. Implementers and users of all ITU-T Recommendations, including this Recommendation and the underlying techniques, shall comply with all applicable national and regional laws, regulations and policies. 2 References The following ITU-T Rec

38、ommendations and other references contain provisions which, through reference in this text, constitute provisions of this Recommendation. At the time of publication, the editions indicated were valid. All Recommendations and other references are subject to revision; users of this Recommendation are

39、therefore encouraged to investigate the possibility of applying the most recent edition of the Recommendations and other references listed below. A list of the currently valid ITU-T Recommendations is regularly published. The reference to a document within this Recommendation does not give it, as a

40、stand-alone document, the status of a Recommendation. IETF RFC 6545 IETF RFC 6545 (2012), Real-time Inter-network Defense (RID). 3 Definitions 3.1 Terms defined elsewhere None. 3.2 Terms defined in this Recommendation None. 4 Abbreviations and acronyms This Recommendation uses the following abbrevia

41、tions and acronyms: CSIRT Computer Security Incident Response Team DoS Denial of Service IODEF Incident Object Description Exchange Format IT Information Technology 2 Rec. ITU-T X.1580 (09/2012) RID Real-time Inter-network Defence SLA Service Level Agreement 5 Conventions The following terms are con

42、sidered equivalent: In ITU use of the words shall and must and their negatives are considered equivalent. In ITU use of the word shall is equivalent to the IETF use of the word MUST. In ITU use of the phrase shall not is equivalent to the IETF use of the term MUST NOT. NOTE In the IETF use of the wo

43、rds shall and must (in lower case) are used for informative text. 6 Real-time inter-network defence This clause defines real-time inter-network defence (RID) messaging as specified in IETF RFC 6545. This clause provides direct references to IETF RFC 6545 through alignment of the clauses with the sec

44、tion numbers such that clause 6.x aligns with section x of IETF RFC 6545 with matching titles. 6.1 Introduction IETF RFC 6545 section 1 is informative. 6.1.1 Changes from RFC 6045 IETF RFC 6545 section 1.1 is informative. 6.1.2 Normative and informative IETF RFC 6545 section 1.2 is informative. 6.1.

45、3 Terminology IETF RFC 6545 section 1.3 is normative. 6.2 Characteristics of incidents IETF RFC 6545 section 2 is informative. 6.3 Communications between CSIRTs and service providers IETF RFC 6545 section 3 is informative. 6.3.1 Inter-network provider RID messaging IETF RFC 6545 section 3.1 is infor

46、mative. 6.3.2 RID communication topology IETF RFC 6545 section 3.2 is informative. 6.4 Message formats IETF RFC 6545 section 4 is normative. 6.4.1 RID data types IETF RFC 6545 section 4.1 is normative. 6.4.1.1 Boolean IETF RFC 6545 section 4.1.1 is normative. Rec. ITU-T X.1580 (09/2012) 3 6.4.2 RID

47、message types IETF RFC 6545 section 4.2 is normative. 6.5 IODEF-RID schema IETF RFC 6545 section 5 is normative. 6.5.1 RIDPolicy class IETF RFC 6545 section 5.1 is normative. 6.5.1.1 ReportSchema IETF RFC 6545 section 5.1.1 is normative. 6.5.2 RequestStatus IETF RFC 6545 section 5.2 is normative. 6.

48、5.3 IncidentSource IETF RFC 6545 section 5.3 is normative. 6.5.4 RID name spaces IETF RFC 6545 section 5.4 is normative. 6.5.5 Encoding IETF RFC 6545 section 5.5 is normative. 6.5.6 Including IODEF or other XML documents IETF RFC 6545 section 5.6 is normative. 6.5.6.1 Including XML Documents in RID

49、IETF RFC 6545 section 5.6.1 is normative. 6.6 RID messages IETF RFC 6545 section 6 is normative. 6.6.1 Request IETF RFC 6545 section 6.1 is normative. 6.6.2 Acknowledgement IETF RFC 6545 section 6.2 is normative. 6.6.3 Result IETF RFC 6545 section 6.3 is normative. 6.6.4 Report IETF RFC 6545 section 6.4 is normative. 6.6.5 Query IETF RFC 6545 section 6.5 is normative. 6.7 RID communication exchanges IETF RFC 6545 section 7 is normative. 4 Rec. ITU-T X.1580