v6 connection refused for AS112 webserver
swmike at swm.pp.se
Wed Jan 2 20:16:24 CET 2013
On Wed, 2 Jan 2013, Frank Habicht wrote:
> who gets the same?
> (psg.com does)
> [frank at cacti ~]$ wget -6 'http://public.as112.net/'
> --2013-01-02 21:21:55-- http://public.as112.net/
> Resolving public.as112.net... 2001:4f8:3:2bc:1::72
> Connecting to public.as112.net|2001:4f8:3:2bc:1::72|:80... failed:
> Connection refused.
> [frank at cacti ~]$
> guess happy eyeballs working too well for many.
You don't really need happy eyeballs as long as you get connection
refused. Much better to just give RST if a service is not supported over
IPv6, than to drop the packet. RST gives TCP a chance to try other
IP(v4|v6) addresses and see if it can establish a session to it.
Mikael Abrahamsson email: swmike at swm.pp.se
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