Re: Problems getting to Verisign's whois server on IPv6

[Christopher Morrow <morrowc.lists () gmail com>]

On Tue, May 1, 2012 at 7:25 PM, Mark Andrews <marka () isc org> wrote:
> The server doesn't do PMTUD properly.   Verisign were informed of this
> a while back.  How hard is it to let ICMPv6 PTB in so that PMTUD works?
>
> % whois -h 2001:503:3227:1060::74 example.com
>
> Whois Server Version 2.0
>
> Domain names in the .com and .net domains can now be registered
> with many different competing registrars. Go to http://www.internic.net
> for detailed information.
> [stalls here forever]
>
> The message is sent in 3 packet and you see packet 1 and 3, 2 is
> lost and despite selective acks it is never seen.

that appears to be the case :( setting MSS to 1420 seems to work for
me (at home, on a janky tunneled setup, because you know... ipv6 is
'hard' for vz to do :( )

-chris