FC12-- Temporarily turning off IPv6 in Firefox and Thunderbird

[Tom H]

> I disabled IPv6 in Firefox and the time delays went away.

> The fe80 prefix is local link.  This is for accessing any IPv6 device on
> your subnet.

I had reminded you of the Firefox ipv6 setting and forgot to add that
you could also disable ipv6 (and not get a link-local ipv6 address)
while you are at your conference by adding "ipv6.disable=1" to your
kernel line in grub.