Disable IPv6 by default.

David Woodhouse dwmw2 at infradead.org
Thu Sep 13 15:51:54 UTC 2007

On Thu, 2007-09-13 at 08:53 -0600, Richi Plana wrote:
> It might be causing problems for me that I'm just not aware of. Once
> when I was tailing my syslog files, I'd catch NM blocking for a few
> seconds on some IPv6 operation. It might be asynchronous or it might not
> be, but it's something that I (as a Fedora user) don't want to enable
> consciously at this time.

NetworkManager does almost nothing with IPv6 -- all it does it add and
remove the link-local address when it decides the interface should be
used/unused. It won't be blocking.
> At the very least, make disabling it a one-step process (and free up
> resources related to IPv6). Right now, I can't even figure out how to
> disable it entirely. There's online documentation on doing this by
> editing /etc/sysctl.conf flags, editing files in /etc/sysconfig/ and
> removing kernel modules from configuration.

It _is_ one step:

	echo blacklist ipv6 > /etc/modprobe.d/luddite


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