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Date: Sat, 18 Oct 2003 11:48:06 +0300
From: Giorgos Keramidas <keramida@ceid.upatras.gr>
To: whole_r <hull@monisys.ca>
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References: <000501c394e2$4b2bfe80$59f9e1cc@hull>
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cc: freebsd-questions@freebsd.org
Subject: Re: Dialup firewalling with FreeBSD
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On 2003-10-17 15:09, whole_r <hull@monisys.ca> wrote:
> Hello,
> I followed this doc to install my firewall. Upon reboot I get about 12 lines
> more or less like this:
>
> ipfw: size mismatch (have 176 need......)
> It also says that dev tun0 doesn't exist.
>
> How do I correct this.

If your kernel and userland in sync?  If not, try building world *and*
kernel from the same sources and installing both, as described in the
/usr/src/UPDATING file.