ETSI TS 102 232-3-2016 Lawful Interception (LI) Handover Interface and Service-Specific Details (SSD) for IP delivery Part 3 Service-specific details for internet access services (.pdf
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1、 ETSI TS 102 232-3 V3.4.1 (2016-09) Lawful Interception (LI); Handover Interface and Service-Specific Details (SSD) for IP delivery; Part 3: Service-specific details for internet access services floppy3TECHNICAL SPECIFICATION ETSI ETSI TS 102 232-3 V3.4.1 (2016-09)2 Reference RTS/LI-00135-3 Keywords
2、 access, internet, IP, Lawful Interception, security, service 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 Im
3、portant notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior writt
4、en authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat. Users of the present document
5、 should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comment to one of th
6、e following services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. The content of th
7、e PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2016. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of E
8、TSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TS 102 232-3 V3.4.1 (2016-09)3 Contents
9、 Intellectual Property Rights 5g3Foreword . 5g3Modal verbs terminology 5g3Introduction 5g31 Scope 6g32 References 6g32.1 Normative references . 6g32.2 Informative references 7g33 Definitions and abbreviations . 7g33.1 Definitions 7g33.2 Abbreviations . 8g34 General . 9g34.1 Internet Access Service (
10、IAS) 9g34.2 Target identity and IP address 9g34.3 Lawful Interception requirements 10g34.3.1 Target identity . 10g34.3.2 Result of interception 10g34.3.3 Intercept related information messages. 11g34.3.4 Time constraints 11g34.3.5 Preventing over and under collection of intercept data . 11g35 System
11、 model . 12g35.1 Reference network topologies 12g35.1.1 Dial-up access . 12g35.1.2 xDSL access 13g35.1.3 Cable modem access . 14g35.1.4 IEEE 802.11 Access (with Wireless LAN profile) . 15g35.2 Reference scenarios 15g35.2.1 Logon 15g35.2.2 Multi logon . 15g35.2.3 Multilink logon . 16g35.2.4 IP transp
12、ort 16g35.2.5 Logoff . 16g35.2.6 Connection loss . 16g36 Intercept Related Information (IRI) . 17g36.1 IRI events . 17g36.2 HI2 attributes 18g36.2.1 Use of targetIPAddress, additionalIPAddress and otherTargetIdentifiers fields 19g36.2.2 Use of location field 19g37 Content of Communication (CC) . 20g
13、37.1 CC events . 20g37.2 HI3 attributes 20g38 ASN.1 for IRI and CC 20g3Annex A (informative): Stage 1 - RADIUS characteristics . 26g3A.1 Network topology . 26g3A.1.1 RADIUS server 26g3A.1.2 RADIUS proxy . 26g3A.2 RADIUS service . 27g3A.2.1 Authentication service 27g3A.2.2 Accounting service . 28g3ET
14、SI ETSI TS 102 232-3 V3.4.1 (2016-09)4 A.3 RADIUS protocol . 29g3A.3.1 Authentication protocol 29g3A.3.2 Accounting protocol . 29g3A.4 RADIUS main attributes 30g3A.5 RADIUS interception . 31g3A.5.1 Collecting RADIUS packets. 31g3A.5.2 Processing RADIUS packets 31g3A.5.2.1 Mapping events to RADIUS pa
15、ckets 31g3A.5.2.2 Functional model 32g3A.5.2.3 RADIUS spoofing 35g3A.5.3 Mapping RADIUS on the IRI structure 35g3Annex B (informative): Stage 1 - DHCP characteristics . 36g3B.1 Network topology . 36g3B.2 DHCP service . 36g3B.3 BOOTP protocol 37g3B.4 DHCP protocol . 37g3B.4.1 Address assignment 39g3B
16、.4.2 Message transmission and relay agents 39g3B.4.3 Security and authentication 39g3B.5 DHCP main attributes 39g3B.6 DHCP interception . 40g3B.6.1 Introduction 40g3B.6.2 DHCP packets 41g3B.6.3 State machine . 41g3B.6.3.1 Mapping DHCP packets to events 42g3B.6.3.2 Timers and administrative events .
17、42g3B.6.3.3 State information 42g3B.6.3.4 State machine diagram 43g3B.6.4 Mapping DHCP on the IRI structure 43g3Annex C (informative): IP IRI interception . 45g3C.1 Introduction 45g3C.2 Requirements 45g3C.3 Proposed implementation . 45g3Annex D (informative): TCP and UDP IRI interception 46g3D.1 Int
18、roduction 46g3D.2 Requirements 46g3D.3 HI2 requirements 46g3D.4 HI3 requirements 47g3D.5 General requirements . 47g3Annex E (informative): Bibliography . 48g3Annex F (informative): Change Request history . 49g3History 51g3ETSI ETSI TS 102 232-3 V3.4.1 (2016-09)5 Intellectual Property Rights IPRs ess
19、ential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potenti
20、ally Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No g
21、uarantee 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 are, or may be, or may become, essential to the present document. Foreword This Technical Specification (TS) has been produced by ETSI Technical Committee Lawful In
22、terception (LI). The present document is part 3 of a multi-part deliverable. Full details of the entire series can be found in part 1 2. The ASN.1 module is also available as an electronic attachment to the original document from the ETSI site (see clause 8 for more details). Modal verbs terminology
23、 In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI
24、deliverables except when used in direct citation. Introduction The intention of the present document has been to follow the advice given at ETSI meetings in all cases. The present document focuses on intercepting IP data in relation to the use of Internet Access Services (IAS) and is to be used in c
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