IPv6 TCP

[Pamela Rock]

--- On Mon, 12/28/09, Chuck Anderson <cra at WPI.EDU> wrote:

> From: Chuck Anderson <cra at WPI.EDU>
> Subject: Re: IPv6 TCP
> To: bind-users at lists.isc.org
> Date: Monday, December 28, 2009, 3:58 PM
> On Mon, Dec 28, 2009 at 07:56:56AM
> -0800, Pamela Rock wrote:
> > I posted this query a while ago but have not yet been
> able to resolve the issue...
> > 
> > I have a DNS server and client that can ping each
> other using ping6.  The following query works:
> > 
> > dig -6 test.com +notcp 
> > 
> > When I query TCP with IPv6 I get the following error:
> > 
> > root at test:/home/janderson/bind-9.6.1-P1 dig -6
> test.com @bind6 +tcp
> > socket.c:4922: 22/Invalid argument
> > dig: isc_socket_connect: unexpected error
> 
> I get this with the stock CentOS 5.4 dig:
> 
> # rpm -qf `which dig`
> bind-utils-9.3.6-4.P1.el5_4.1

I am running Red Hat 5 / 64 bit and I had to compile openssl-0.9.8k.tar to get a clean BIND 9.6.1-P1 configure.

My build process looks like the following
named[3921]: built with '--enable-threads' '--with-openssl=/usr/local/ssl/bin' '--enable-ipv6'

What's wierd in that PING6 works and DIG IPv6 + UDP works as well.  DIG IPv6 + TCP fails.

If anyone has 9.6.1-P1 and can run an IPv6 / TCP based dig successfully, I'd be interested in knowing about your platform.  What O/S, HW, etc did you use to build BIND?

> 
> # dig -6 test.com +notcp
> dig: add_nameserver failed
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