turning off IPv6 support in BSD

[Michael W. Oliver]

On 2004-11-21T11:01:09+0000, David Jenkins wrote:
> On Sun, 21 Nov 2004 12:27:19 +0200, Panagiotis Christias
> <christias at gmail.com> wrote:
> > On Sun, 21 Nov 2004 03:59:23 +1100, andrew clarke <mail at ozzmosis.com> wrote:
> > 
> > 
> > > On Sat, Nov 20, 2004 at 04:50:58PM +0000, Danny Browne wrote:
> > >
> > > > How do i turn off IPv6 support in FreeBSD 4.10?
> > >
> > > Remove "options INET6" from your kernel config file
> > > (/sys/i386/conf/XXX), rebuild your kernel and reboot your machine.
> > >
> > > There may be a way to turn it off at runtime using sysctl, but I don't
> > > know what it is, and in hindsight it probably wouldn't make much sense
> > > to do that at runtime, although I'm willing to be convinced otherwise. :)
> > >
> > > Regards
> > > Andrew
> > 
> > You can also comment out the 'ipv6_enable="YES"' line in /etc/rc.conf.
> 
> I just ensured my rc.conf didn't have 
> 
> ipv6_enable="YES"
> 
> dropped to single user mode and came back up and it appears there is
> still support for IPv6

ipv6_enable="YES" is defined in /etc/defaults/rc.conf, so you have to
define ipv6_enable="NO" in /etc/rc.conf to realize any change.

FYI, since I actively use IPv6, I can't really say what the above
definition will actually accomplish, but wanted to clear up what needed
to be defined in /etc/rc.conf.

To get rid of IPv6 completely (why would you want this? :) ), you should
definitely rebuild your kernel without INET6.

-- 
Michael W. Oliver
[see complete headers for contact information]

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