Hello folks, (I think mobile-ip@ is probably the best place for possible follow-ups)
I've submitted the following "Informational-nature" draft to internet-drafts: "Security of IPv6 Routing Header and Home Address Options" http://www.netcore.fi/pekkas/ietf/draft-savola-ipv6-rh-ha-security-00.txt This raises the concern, among others, on MIPv6-imposed requirements and recommendations for _all_ IPv6 nodes. Binding Updates is a different problem, being discussed separately, and only RH and HA are covered. It should be noted, of course, that there are very valid uses for routing header outside of mobile ip too. But MIPv6 imposes some requirements for RH use, so it might be better to restrict its use in some way or another. The abstract: All IPv6 nodes must be able to process Routing Header [IPV6] and Home Address [MIPV6] Options. With these, packet filter access lists can be tricked (among other things) as the destination and source addresses, respectively, are being rewritten as the packet traverses the network. Some of the security considerations of these features are analyzed, and a few possible solutions presented. It will be shown that with the current architecture, the network-based security does not seem to scale to the requirements of Mobile IPv6; it seems possible that unless security is taken seriously when implementing the nodes, the new Mobile IPv6 requirements might not be allowed to be used at all in some circumstances. Comments welcome, of course. -- Pekka Savola "Tell me of difficulties surmounted, Netcore Oy not those you stumble over and fall" Systems. Networks. Security. -- Robert Jordan: A Crown of Swords -------------------------------------------------------------------- IETF IPng Working Group Mailing List IPng Home Page: http://playground.sun.com/ipng FTP archive: ftp://playground.sun.com/pub/ipng Direct all administrative requests to [EMAIL PROTECTED] --------------------------------------------------------------------
