> Trevor Drake-Brockman wrote:
>
> > > ipchains -A input -p udp -s 0/0 27960 -j ACCEPT
> > > ipchains -A input -p udp -s 0/0 27950 -j ACCEPT
> ...
> > Thanks Holger, I will give this a try later. Just one
> > question why are the two ipchains lines exactly the same?
>
> They're not

> If Holger had intended to allow inbound UDP packets directed to ports 27950
> and 27960 then he should use -d. However that's not actually required, as
> inbound UDP packets are blocked only if directed to ports less than 1025.
> (This will change with the next release, where the packet firewall is
> implemented with the 2.4 kernel's netfilter/iptables. The connection
> tracking feature of netfilter allows all packets to be blocked, except those
> related to an active outbound connection or with an open service).
I stand corrected!

I think you (Charlie) are right - maybe it just works with no modification. It's been a while since I ran that configuration, so I
can't really test it for you Trevor.
We're all looking forward to 2.4 especially because of iptables.
Regards
Holger