[CentOS] (?) Mailman VERY slow with IPv6 (with work-around)

Thu Sep 17 16:46:10 UTC 2015
m.roth at 5-cent.us <m.roth at 5-cent.us>

Gordon Messmer wrote:
>> While testing I tried an strace of list_lists and found that it
>> >was timing out on a read operation to a socket to the Avahi daemon
>> >(/var/run/avahi-daemon/socket) while trying to resolve the
>> >link-local IPv6 address.
> Is avahi even installed by default on CentOS 7?  I don't see it
> installed on my lab's desktop systems, let alone servers.

It certainly was in 6, which really annoyed me. I make it a point to
chkconfig it off, service stop it, and close the firewall hole for it.