> > I have installed the Iptables 1.2.6a according to the > netfilter's document, > but It doesn't act as a service. > Do I need to manually setup my firewall after each system > boot up? --afshin > IPTABLES actually is a ruleset for the kernel regarding network traffic. In order to to enable the firewall at each boot you need to create a boot script that loads the rules on each boot. Read the following link http://www.e-infomax.com/ipmasq/