Turning off ipv6

[Tom H]

> There's lots of variegated advice around on turning off ipv6, much of it
> out of date. What's the canonical way of doing this in Fedora (12), or
> at least getting named to shut up about it?

ipv6 is now compiled into the kernel so all the previous advice about
modprobe.conf, modprobe.d, and sysctl.conf no longer works.

You now have to
(1) add
ipv6.disable=1
to the kernel (grub1) or linux (grub2) line
or
(2) recompile the kernel without ipv6 or with ipv6 as a module