nanog mailing list archives
Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space
From: Jack Bates <jbates () brightok net>
Date: Mon, 09 Feb 2009 18:33:54 -0600
Mark Newton wrote:
Just out of what I like and might use, GRE (no port), ESP (no port), AH (no port), SCTP (would probably work fine with NAT, but I haven't seen it supported yet and because every box doing address rewrites MUST understand the protocol to perform NAT, it's likely to be back shelved despite it's cool features. Without NAT, it can be treated like GRE, ESP, and AH by a firewall, though improved security if the firewall does understand the protocol). And my favorite, 6-to-4, broken.Fine, you don't like rewriting L3 addresses and L4 port numbers. Yep, I get that. Relevance?
There is if you have a dual-stack device, your L4-and-above protocols are the same under v4 and v6, and you don't want to reinvent the ALG wheel.
ALG only fixes some problems, and it's not required for as much when address translations are not being performed. In addition, the bugs caused from address rewrites (and there have been some really poor implementations at the cheap home router level) will naturally disappear (to be replaced with new bugs concerning ALG/uPNP I'm sure).
Jack
Current thread:
- RE: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space, (continued)
- RE: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space Frank Bulk - iName.com (Feb 09)
- RE: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space TJ (Feb 10)
- Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space Stephen Sprunk (Feb 07)
- Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space Ricky Beam (Feb 09)
- Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space Jack Bates (Feb 09)
- Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space Owen DeLong (Feb 09)
- Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space Stephen Sprunk (Feb 09)
- Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space Mark Newton (Feb 09)
- Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space Owen DeLong (Feb 09)
- Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space Mark Newton (Feb 09)
- Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space Jack Bates (Feb 09)
- Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space Mark Newton (Feb 09)
- Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space Jack Bates (Feb 09)
- Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space Matthew Kaufman (Feb 09)
- Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space Mark Andrews (Feb 09)
- RE: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space TJ (Feb 09)
- Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space John Peach (Feb 09)
- Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space Seth Mattinen (Feb 09)
- RE: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space TJ (Feb 09)
- Re: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space Jack Bates (Feb 09)
- RE: v6 & DSL / Cable modems [was: Private use of non-RFC1918 IP space TJ (Feb 09)