Understanding iptables

2002-06-13 Thread Louis Garcia
I'm just trying to teach myself how to configure a filewall using iptables. This is my current script: # Set up a default DROP policy for the built-in chains. iptables -P INPUT DROP iptables -P FORWARD DROP iptables -P OUTPUT DROP ## LOOPBACK # Allow unlimited traffic on the loopback interface.

Re: Understanding iptables

2002-05-17 Thread nickd
On Thu, May 16, 2002 at 06:15:52PM -0400, Louis Garcia wrote: I'm just trying to teach myself how to configure a filewall using iptables. This is my current script: snip I'm not very experienced with IPTables myself but I would strongly suspect that a lot of your rules allowing outbound

Re: Understanding iptables

2002-05-17 Thread Ramin Alidousti
On Fri, May 17, 2002 at 11:07:41PM +0100, [EMAIL PROTECTED] wrote: snip # Refuse Class D multicast addresses. Multicast is illegal as a source # address. iptables -A INPUT -i eth0 -s 224.0.0.0/4 -j DROP Oooh, is that definitely the case? Just check the validity of this statement

Understanding iptables

2002-05-16 Thread Louis Garcia
I'm just trying to teach myself how to configure a filewall using iptables. This is my current script: # Set up a default DROP policy for the built-in chains. iptables -P INPUT DROP iptables -P FORWARD DROP iptables -P OUTPUT DROP ## LOOPBACK # Allow unlimited traffic on the loopback interface.