IPv6 Transport Support and Market Segmentations
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1 Survey of IPv6 Support in Commercial Firewalls David Piscitello Fellow to the ICANN SSAC 1
2 Purpose and Scope of Study Determine IPv6 transport support and security service availability among commercial firewall products Survey only, no product testing Scope: did not include Personal firewall software Open Source firewall projects Commodity broadband access device that only "block ports and such" 2
3 Objectives How broadly is IP version 6 (IPv6) transport supported by commercial firewalls? Is support for IPv6 transport and security services available for all market segments? Are security services commonly used at Internet firewalls available when IPv6 transport is used? Can an organization use IPv6 today and enforce a security policy at a firewall that's comparable to one it would enforce using IPv4? 3
4 Methodology Compile a list of commercial firewall products Various resources yielded approximately 60 products Identify target market segments for products: Small office, home office (SOHO) Small and medium business (SMB) Large Enterprise, service provider (LE/SP) Survey commonly available security services List based on vendor technical specifications and input from firewall administrator community 4
5 Information Gathering: Beyond Survey Data Direct vendor contact by and telephone Technical support, sales, marketing, general inquiries Technical staff identified by colleagues and ICSA Labs 3rd party corroboration Discussion with firewall administrators familiar with product Discussion on firewall mailing lists Other corroboration Review technical specifications, user and administration guides when made available Ultimately, 42 of 60 products included in report 5
6 IPv6 Transport % Implementations 60% 50% 40% 30% 20% 10% 0% IP Transport All SOHO SMB LE/SP Market Segment IPv6 Overall All firewalls surveyed support IPv4 transport 31% of firewalls surveyed support IPv6 transport (13 of 42) Breakdown (IPv6) SOHO: 32% (6 of 19) SMB: 34% (12 of 35) LE/SP: 30% (8 of 27) 6
7 IPv6 Routing % Implemented 80% 70% 60% 50% 40% 30% 20% 10% 0% IP Routing All SOHO SMB LE/SP Market Segment IPv4 IPV6 60% of firewalls surveyed participate as peers in IPv4 routing or perform neighbor discovery (35 of 42) 24% participate in IPv6 routing Breakdown (IPv6) SOHO: 21% (4 of 19) SMB: 26% (9 of 35) LE/SP: 30% (8 of 27) 7
8 Static Packet Filtering % Implementations 100% 80% 60% 40% 20% 0% Static Traffic Filtering All SOHO SMB LE/SP Market Segment IPv4 IPv6 95% of firewalls surveyed provide static filtering when IPv4 is used (40 of 42) 29% provide static filtering when IPv6 is used (12 of 42) Breakdown (IPv6) SOHO: 32% (6 of 19) SMB: 31% (11 of 35) LE/SP: 30% (8 of 27) 8
9 Stateful traffic inspection % Implementations 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% Stateful Inspection All SOHO SMB LE/SP Market Segment IPv4 IPv6 90% of firewalls surveyed offer stateful inspection when IPv4 is used (38 of 42) 24% of products do so when IPv6 is used Breakdown (IPv6) SOHO: 21% (4 of 19) SMB: 23%, (8 of 35) LE/SP: 26% (7 of 27) 9
10 Application Level Inspection % Implementations 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% 81% 17% Applicaton Level Inspection 74% 77% 93% 16% 19% 17% All SOHO SMB LE/SP Market Segment [Note: This question covers a broad swath of features. Subsequent studies should inquire about specific features] IPv4 IPv6 81% products across all market segments offer Application Level inspection when IPv4 is used (34 of 42) 17% when IPv6 is used Breakdown (IPv6) SOHO: 3 out of 19 (16%) SMB: 6 out of 35 (17%) LE/SP: 5 out of 27 (19%) 10
11 Intrusion Detection, Prevention % Implementations 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% Intrusion Detection and Prevention All SOHO SMB LE/SP Market Segment 5% availability of IDS/IPS among SOHO products when IPv6 transport is used biases result This result does not include commercial appliances that are "IDS/IPS only". IPv4 IPv6 76% of surveyed firewalls provide IDS/IPS when IPv4 is used (32 of 42) 14% of products provide IDS/IPS when IPv6 is used (6 of 42) Breakdown (IPv6) SOHO: 1 out of 19 (5%) SMB: 5 out of 35 (14%) LE/SP: 6 out of 27 (22%) 11
12 DDoS Protection 90% 80% DDoS Protection 76% of surveyed firewalls provide IDS/IPS when IPv4 is used (34 of 42) % implementations 70% 60% 50% 40% 30% 20% 10% 0% All SOHO SMB LE/SP Market Segment IPv4 IPv6 21% of products provide IDS/IPS when IPv6 is used (9 of 42) Breakdown (IPv6) SOHO: 4 out of 19 (21%) SMB: 8 out of 35 (23%) LE/SP: 7 out of 27 (26%) 12
13 Tunneling Capabilities 14% of products surveyed are able to tunnel IPv4 traffic in IPv6 transport 29 % of product are able to encapsulate IPv6 traffic in IPv4 tunnels 13
14 IPv6 Transport support (Market Leaders) Commercial firewall market dominated by small number of vendors Availability of IPv6 transport support improves when consumer choice is narrowed to the market leaders Sophisticated traffic inspection and advanced security features are still not prevalent % Implementations 70% 60% 50% 40% 30% 20% 10% 0% All % Implementations 70% 60% 50% 40% 30% 20% 10% 0% Static Packet Filtering SOHO SMB IP Transport - Market Leaders All SOHO SMB LE/SP Market Segment Traffic Inspection - Market Leaders LE/SP All Stateful Inspection SOHO SMB LE/SP Market Segment All A pplication Layer Inspection SOHO SMB LE/SP IPv6 IPV6 14
15 Observations from Vendor Comments IPsecv6 support is not as fully-featured as IPv4 some vendors support fewer Internet Key Exchange (IKE) peer authentication options, or only support manual keying User Interfaces are not as robust IPV6 transport can only be configured using a command line interface. IDS and DDoS support not as robust Signature sets for IDS/IPS inspection engines for IPv6 not as extensive as sets for IPv4. Number and kinds of DoS attacks they can detect and block are fewer when IPv6 transport is used. 15
16 "Why no support?" Vendors who responded that they had no IPv6 support typically claimed that they have received few if any requests for products that support IPv6. 16
17 Conclusions Support for IPv6 transport and security services is available from commercial firewalls for all market segments Firewall products that support IPv6 transport generally provide (some form of traffic inspection), event logging, and IP Security (IPsecv6) 17
18 Conclusions IP version 6 (IPv6) transport is not broadly supported by commercial firewalls. Across all market segments, less than one in three products support IPv6 transport and security features. Support among the firewall market share leaders improves this figure somewhat Availability of advanced security features when IPv6 transport is used is weakest in SOHO and SMB segments and strongest in the LE/SP segment. 18
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