[lug] firewall help

[D. Stimits]

Taz wrote:
> 
> Hi all:
> 
> I am trying to get my firewall set up.  I'm using Mandrake 8.0 (final)
> with ipchains; I havne't figured out iptables yet.  Using pmfirewall,
> I have set up several rules.  However, for work I need to open up port
> 500 for secure connections.  Here is the lines in my
> pmfirewall.rules.local file:
> 
> $IPCHAINS -A input -p tcp -s $REMOTENET -d $REMOTENET 500 -i $OUTERIF -j
> ACCEPT -l
> $IPCHAINS -A input -p udp -s $REMOTENET -d $REMOTENET 500 -i $OUTERIF -j
> ACCEPT -l
> 
> When I scan myself using nmap it keeps showing the port as being
> closed.  Any ideas?  Thanks in advance.
> 
> Jeff
> 
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I don't know how source and destination of input can both be to
REMOTENET. Try something like:
-A input -p tcp -s $REMOTENET -d $LOCALNET 500 -i $OUTERIF -j ACCEPT -l

Note the "LOCALNET" for destination.

D. Stimits, stimits at idcomm.com