On Tue, Jan 17, 2006 at 01:01:25PM +0000, Sylvain Briole wrote:
> Hi all!
> 
> I am trying to use ipfilter on NetBSD 3.0 i386 (I have already successfully
> installed and tested it on NetBSD 2.0.2 i386).
> 
> # sysctl -w net.inet.ip.forwarding=1
> net.inet.ip.forwarding: 0 -> 1
> 
> # cat /etc/ipf.conf
> pass in  quick on lo0 all
> pass out quick on lo0 all
> 
> # /etc/rc.d/ipfilter stop
> Disabling ipfilter.
> open device: Device not configured
> SIOCFRENB: Bad file descriptor

Did you do an install or an upgrade ? If upgrade, make sure you don't have old
binaires lying around, and run
cd /dev; ./MAKEDEV all

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--