IPv6 and cvsup servers

[John Hay]

On Mon, Mar 31, 2008 at 01:33:24AM -0400, Garance A Drosihn wrote:
> Some of my friends have been moving their machines into the world of
> IPv6.  It seems that the cvsup program is old enough that it doesn't
> know about IPv6 (true?).  So they went to use the csup program in
> the base system, and while that seems to understand IPv6 just fine,
> they couldn't seem to make a connection to any of the official cvsup
> servers that they tried via IPv6.
> 
> E.g:  "It looks like cvsup4.freebsd.org is refusing connections
>        on ipv6 despite it having an AAAA record."
> 
> Is this expected?  Given that the servers are all using the cvsup
> program, it wouldn't surprise me if they can't handle connections
> from IPv6 hosts.  But if that's the case, then why are there AAAA
> records for the cvsup*.freebsd.org hostnames?
> 
> (apologies if this was a dumb question, but I haven't done much with
> IPv6)

I use socat on cvsup.za.freebsd.org. Something like:

/usr/local/bin/socat -ly TCP6-LISTEN:5999,fork,reuseaddr TCP4:127.0.0.1:5999

We have some ipv6-only networks and there I use the reverse to get
cvsup to work over these nets.

John
-- 
John Hay -- John.Hay at meraka.csir.co.za / jhay at FreeBSD.org