ETSI TR 185 012-2010 Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN) Feasibility study of security mechanisms for customer premise信.pdf

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1、 ETSI TR 185 012 V3.1.1 (2010-07)Technical Report Telecommunications and Internet converged Services andProtocols for Advanced Networking (TISPAN);Feasibility study of security mechanisms for customerpremises networks connected to TISPAN NGNETSI ETSI TR 185 012 V3.1.1 (2010-07) 2Reference DTR/TISPAN

2、-05021-NGN-R3 Keywords gateway, security ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice Indivi

3、dual copies of the present document can be downloaded from: http:/www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document

4、 Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the curr

5、ent status of this and other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following services: http:/portal.etsi.org/chaircor/ETSI_support.asp Copyright Notification No part may be reproduc

6、ed except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2010. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTM, TIPHONTM, the TIPHON logo and the ETSI logo are Trade Marks of ETSI

7、registered for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. LTE is a Trade Mark of ETSI currently being registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM

8、logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TR 185 012 V3.1.1 (2010-07) 3Contents Intellectual Property Rights 5g3Foreword . 5g3Introduction 5g31 Scope 6g32 References 6g32.1 Normative references . 6g32.2 Informative references 6g33 Definitions and abbreviations . 8g3

9、3.1 Definitions 8g33.2 Abbreviations . 8g34 General overview . 9g35 Authentication and authorization mechanisms . 10g35.1 Authentication issues in the Gm 10g35.1.1 Applicability and limitations. 11g35.1.2 Implementation details 11g36 Security Management functionality . 12g37 Firewall. 12g37.1 Basic

10、description 13g37.2 Applicability and limitations 13g37.3 Implementation details . 13g37.3.1 Stateful Inspection 13g37.3.2 Communication technologies 14g37.3.3 Security Policy 14g37.3.4 ALG for standard protocols support . 15g37.3.5 Firewall management 15g37.3.6 Logging . 15g38 Network Access Contro

11、l (NAC) 15g38.1 Basic description 16g38.2 Applicability and limitations 17g38.3 Implementation details . 17g39 Antispoofing . 18g310 VPN capabilities . 19g310.1 VPN Capability Based on IPsec . 19g310.1.1 Remote access case . 19g310.2 Tunnelling using SSL/TLS . 19g310.3 OpenVPN . 20g310.4 VPN Quarant

12、ine . 20g311 Anti-Virus . 20g312 URL/URI filtering and prime user control . 20g313 Unsolicited communication prevention 20g313.1 Basic description 21g313.2 Applicability and limitations 21g313.3 Implementation details . 21g314 Intrusion Detection System 22g315 Network Address Translation (NAT) . 23g

13、315.1 UPnP IGD V 1.0 . 24g3ETSI ETSI TR 185 012 V3.1.1 (2010-07) 415.1.1 Basic description . 24g315.1.2 Applicability and limitations. 25g315.1.3 Implementation details 25g315.2 Hosted-NAT solution for RTSP based services . 27g315.2.1 Basic description . 27g315.2.2 Applicability and limitations. 27g

14、315.2.3 Implementation details 28g3Annex A: Bibliography 30g3History 31g3ETSI ETSI TR 185 012 V3.1.1 (2010-07) 5Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is

15、publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the

16、ETSI Web server (http:/webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which a

17、re, or may be, or may become, essential to the present document. Foreword This Technical Report (TR) has been produced by ETSI Technical Committee Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN). Introduction The present document explores possible so

18、lutions to comply to the security requirements of TS 187 001 i.1. ETSI ETSI TR 185 012 V3.1.1 (2010-07) 61 Scope The present document presents the results of a study into the feasibility of providing security mechanisms to be implemented in a Customer Premises Network (CPN) that allow the CPN to com

19、ply with the security objectives and requirements of the CPN. The present document identifies the placement of measures in the Customer Network Gateway (CNG) and in the Customer Network Devices (CNDs) that support the end-to-end security architecture of NGN release 3 as defined in TR 180 001 i.20 (N

20、GN-R3 release definition) and TS 187 003 i.18 (security architecture). The present document completes task 7 of the TVRA method defined in TS 102 165-1 i.21 with due account of the remainder of the TVRA for CPNs presented in TR 185 008 i.13 and TR 187 002 i.17. 2 References References are either spe

21、cific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the reference document (including any amendments) applies. Referenced documents which are not

22、 found to be publicly available in the expected location might be found at http:/docbox.etsi.org/Reference. NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee their long term validity. 2.1 Normative references The following referenced docum

23、ents are necessary for the application of the present document. Not applicable. 2.2 Informative references The following referenced documents are not necessary for the application of the present document but they assist the user with regard to a particular subject area. i.1 ETSI TS 187 001: “Telecom

24、munications and Internet converged Services and Protocols for Advanced Networking (TISPAN); NGN SECurity (SEC); Requirements“. i.2 ETSI TR 121 905: “Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Vocabulary for 3GPP Specifications (Release 7

25、) (3GPP TR 21.905)“. i.3 ISO/IEC 7498-2: “Information Processing Systems - Interconnection Reference Model - Part 2: Security Architecture“. i.4 IETF RFC 5209 (June 2008): “Network Endpoint Assessment (NEA): Overview and Requirements“. i.5 ETSI TS 133 234: “Universal Mobile Telecommunications System

26、 (UMTS); LTE; 3G security; Wireless Local Area Network (WLAN) interworking security (3GPP TS 33.234 version 9.1.0 Release 9)“. i.6 ETSI TS 133 203: “Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; 3G security; Access security for IP-base

27、d services (3GPP TS 33.203 version 9.3.0 Release 9)“. i.7 ETSI TS 133 110: “Universal Mobile Telecommunications System (UMTS); LTE; Key establishment between a UICC and a terminal (3GPP TS 33.110 version 9.0.0 Release 9)“. ETSI ETSI TR 185 012 V3.1.1 (2010-07) 7i.8 ETSI TS 185 005: “Telecommunicatio

28、ns and Internet converged Services and Protocols for Advanced Networking (TISPAN); Services requirements and capabilities for customer networks connected to TISPAN NGN“. i.9 ETSI TS 185 006: “Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Customer

29、Devices architecture and Reference Points“. i.10 IETF RFC 1827: “IP Encapsulating Security Payload (ESP)“. i.11 ETSI TR 187 009: “Telecommunications and Internet Converged Services and Protocols for Advanced Networking (TISPAN); Feasibility study of prevention of unsolicited communication in the NGN

30、“. i.12 ETSI TS 185 003: “Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Customer Network Gateway (CNG) Architecture and Reference Points“. i.13 ETSI TR 185 008: “Telecommunications and Internet converged Services and Protocols for Advanced Network

31、ing (TISPAN); Analysis of security mechanisms for customer networks connected to TISPAN NGN R2“. i.14 UPnP Forum: “Internet Gateway Device (IGD) Standardized Device Control Protocol V 1.0“. NOTE: Available at http:/www.upnp.org/standardizeddcps/igd.asp. i.15 IETF RFC 2663 (1999): “IP Network Address

32、 Translator (NAT) Terminology and Considerations“. i.16 Home Gateway Initiative: “Home Gateway Technical Requirements V 1.0“. i.17 ETSI TR 187 002: “Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); TISPAN NGN Security (NGN-SEC); Threat, Vulnerability

33、 and Risk Analysis“. i.18 ETSI TS 187 003: “Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); NGN Security; Security Architecture“. i.19 ISO/IEC 15408-2: “Information technology - Security techniques - Evaluation criteria for IT security - Part 2: Sec

34、urity functional requirements“. i.20 ETSI TR 180 001: “Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); NGN Release 1; Release definition“. i.21 ETSI TS 102 165-1: “Telecommunications and Internet converged Services and Protocols for Advanced Network

35、ing (TISPAN); Methods and protocols; Part 1: Method and proforma for Threat, Risk, Vulnerability Analysis“. i.22 IETF RFC 3261: “SIP: Session Initiation Protocol“. i.23 IETF RFC 2617: “HTTP Authentication: Basic and Digest Access Authentication“. i.24 IEEE 802.16-2009: “IEEE Standard for Local and m

36、etropolitan area networks Part 16: Air Interface for Broadband Wireless Access Systems“. i.25 Broadband Forum Technical Report TR-069: “CPE WAN Management Protocol v1.1“. i.26 IEEE 802.1x-2010: “IEEE Standard for Local and metropolitan area networks-Port-Based Network Access Control“. i.27 IEEE 802.

37、1B-1992: “Local and Metropolitan Area Network: LAN/MAN Management“. ETSI ETSI TR 185 012 V3.1.1 (2010-07) 83 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the following terms and definitions apply: authentication: property by which the correct identity of an

38、 entity or party is established with a required assurance NOTE: The party being authenticated could be a user, subscriber, home environment or serving network (see TR 121 905 i.2). authorization: granting of permission based on authenticated identification (see ISO/IEC 7498-2 i.3) NOTE: In some cont

39、exts, authorization may be granted without requiring authentication or identification e.g. emergency call services. 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: AKA Authentication and Key Agreement AV Anti-Virus B2BUA Back to Back User Agent C-BGF Co

40、re-Border Gateway Function CND Customer Network Device CNG Customer Network Gateway CPN Customer Premises Network DOS Denial of Services FTTx Fiber To The x HGI HoMe Gateway Initiative HTTP HyperText Transfer Protocol ICMP Internet Control Message Protocol IDS Intrusion Detection System IGD Internet

41、 Gateway Device IGD Internet Gateway Device IMS IP Multimedia Subsystem IPSEC Internet Protocol SECurity IPv4 Internet Protocol version 4 IPv6 Internet Protocol version 6 MCF Media Control Function MDF Media Delivery Function MF Media Function MPLS Multiple Protocol Label Switching NAC Network Acces

42、s Control NAPT Network Address and Port Translator NAT Network Address Translation NBA NASS Bundled Authentication NEA Network Endpoint AssessmentNGN Next Generation Network NTP Network Time Protocol P-CSCF Proxy-Call Session Control Function PDA Personal Digital Assistant POP3 Post Office Protocol

43、version 3 PUC Prevention of Unsolicited Communication RTP Real-time Transport Protocol RTSP Real Time Streaming Protocol SIP Session Initiation Protocol SMTP Simple Mail Transport Protocol SOAP Simple Object Access Protocol SSL Secure Socket Layer ETSI ETSI TR 185 012 V3.1.1 (2010-07) 9TCP Transmiss

44、ion Control Protocol TLS Transport Layer Security TVRA Threat Vulnerability and Risk Analysis UC Unsolicited Communication UDP User Datagram Protocol UE User Equipment UICC Universal Integrated Circuit Card UPnP Universal Plug and Play URI Uniform Resource Identifier URL Uniform Resource Locator UTM

45、 Unified Threat Management VCR Video Cassette Recording VPN Virtual Private Network WAN Wide Area Network Wi-Fi Wireless Fidelity xDSL x Digital Subscriber Line 4 General overview As noted in TR 185 008 i.13 security problems in the CPN may have two origins: internally to the CPN; or externally to t

46、he CPN. The CPN, consisting of a CNG and a number of CNDs, is connected to the NGN as if it were a single NGN terminal connected for signalling purposes through the Gm reference point. Protection of the NGN interconnection and thus protection of the CPN from NGN attacks is out of scope of the presen

47、t document but is covered by the following documents TS 187 001 i.1, TR 187 002 i.17 and TS 187 003 i.18. The CNG offers services to the CNDs within the CPN and the protection of the CNG and its connected CNDs is considered in the present document. However the boundary of the CPN may be compromised

48、by the technologies offered by the CNG and by the CNDs themselves, e.g. a wireless connection between CND and CNG as a broadcast. The security objectives to be met by the CPN are as follows: Confidentiality 1. Information sent to or from a registered user of a CPN should not be revealed to any unaut

49、horized party. 2. Information held within the CNG should be protected from unauthorized access. 3. Details relating to the identity and service capabilities of a CPN user should not be revealed to any unauthorized 3rdparty within the CPN or in the wider NGN. 4. Management Information sent to or from a CPN should not be revealed to any unauthorized party. 5. Management Information held within a CPN should be protected from unauthorized access. Integrity 1. Information held within the CNG s