Re: [v6ops] Question regarding Ra-Guard evasion (ND and extensio headers)

2011-06-16 Thread Joel Jaeggli
On Jun 16, 2011, at 1:44 PM, Jean-Michel Combes wrote: > Hi Arturo, > > at first, thanks for your reply. > > 2011/6/16 Arturo Servin : >> Jean-Michel, >> >> On 16 Jun 2011, at 14:13, Jean-Michel Combes wrote: >> > > [snip] > >>> >>> o draft-gont-6man-nd-extension-headers >>> >>> IMHO, thi

Re: [v6ops] Question regarding Ra-Guard evasion (ND and extensio headers)

2011-06-16 Thread Jean-Michel Combes
Hi Arturo, at first, thanks for your reply. 2011/6/16 Arturo Servin : > Jean-Michel, > > On 16 Jun 2011, at 14:13, Jean-Michel Combes wrote: > [snip] >> >> o draft-gont-6man-nd-extension-headers >> >> IMHO, this is not a good idea to forbid the use of IPv6 extension with >> NDP messages, especi

Re: [saag] [v6ops] ITU-T SG17 IPv6 security work items liaison

2011-06-16 Thread Joe Touch
On 6/14/2011 5:32 PM, Stephen Farrell wrote: Hi Joe, Fair point about the draft-gont document. I've taken it out for now. Which was the 6man I-D you meant? The one ref'd inside the draft-gont-v6ops doc - it's draft-gont-6man... There aren't issues with the draft-ietf-6man docs. Joe The

Re: [saag] [v6ops] ITU-T SG17 IPv6 security work items liaison

2011-06-16 Thread Joe Touch
Hi, all, It'd be useful to wait until these docs (this v6ops one and the 6man one it refers) are adopted by the relevant WGs before noting them in recommendations to external parties, IMO. Some of the recommendations in these documents are akin to "if I didn't expect it, it's an attack", whi

Re: [v6ops] Question regarding Ra-Guard evasion (ND and extensio headers)

2011-06-16 Thread Nick Hilliard
On 14/06/2011 02:23, Fernando Gont wrote: This is something that vendors should answer. As long as there are implementations that may try DHCPv6 even if no RA is received, DHCPv6 should be implemented/deployed along RA-Guard, or else attackers will switch to teh DHCPv6 vector, and RA-Guard will b

Re: [v6ops] [saag] ITU-T SG17 IPv6 security work items liaison

2011-06-16 Thread Nick Hilliard
On 14/06/2011 00:09, Stephen Farrell wrote: * RFC 6105 – "IPv6 Router Advertisement Guard" * RFC 6106 – "IPv6 Router Advertisement Options for DNS Configuration", §7 in particular. maybe mention draft-gont-v6ops-ra-guard-evasion? It's not a strategic focused document, but giv

Re: [saag] ITU-T SG17 IPv6 security work items liaison

2011-06-16 Thread Russ Housley
Stephen: Comments below. Russ > From: IETF Security Area > To: Study Group 17, Questions 2 and 3 > Title: Work on Security of IPv6 > > FOR ACTION > > The IETF thanks Study Group 17 for its liaison LS-206 "Liaison on IPv6 > security issues". As the world transitions to IPv6, new opportunitie

Re: [v6ops] Question regarding Ra-Guard evasion (ND and extensio headers)

2011-06-16 Thread Nick Hilliard
On 10/06/2011 22:51, Fernando Gont wrote: * This results in a RA-Guard implementation that is as simple as possible (it only has to look at the header following the fixed IPv6 header). dhcpv6 suffers from exactly the same problem. Are there plans to introduce dhcpv6-guard? Nick

Re: [v6ops] Question regarding Ra-Guard evasion (ND and extensio headers)

2011-06-16 Thread Arturo Servin
Jean-Michel, On 16 Jun 2011, at 14:13, Jean-Michel Combes wrote: > Hi, > > I've read quickly these two drafts. Here are some comments/questions: > > o draft-gont-v6ops-ra-guard-evasion > > IMHO, this draft should update RFC 6105 (If so, RFC6105 reference > should move from Informative Referenc

Re: [v6ops] Question regarding Ra-Guard evasion (ND and extensio headers)

2011-06-16 Thread Jean-Michel Combes
Hi, Regarding DHCP SAVI, this is not the main goal of this solution but a side effect. Best regards. JMC. 2011/6/14 Mikael Abrahamsson : > On Mon, 13 Jun 2011, Ted Lemon wrote: > >> On Jun 13, 2011, at 3:38 PM, Nick Hilliard wrote: >>> >>> dhcpv6 suffers from exactly the same problem.  Are ther

Re: [v6ops] Question regarding Ra-Guard evasion (ND and extensio headers)

2011-06-16 Thread Jean-Michel Combes
Hi, I've read quickly these two drafts. Here are some comments/questions: o draft-gont-v6ops-ra-guard-evasion IMHO, this draft should update RFC 6105 (If so, RFC6105 reference should move from Informative References section to the Normative References one). Just a comment about your example for

Re: AD review of draft-ietf-6man-rpl-routing-header

2011-06-16 Thread Alexandru Petrescu
IPv6 6MAN WG, I take advantage of this AD message to post comments about this draft. Le 11/06/2011 00:46, Jari Arkko a écrit : [...] In very specific cases, IPv6-in-IPv6 tunneling may be undesirable due to the added cost and complexity required to process and carry a datagram with two IPv6 hea