Netfilter – iptables on Debian

To create and save iptables rules the default Debian way, this is the way to go: create your rules using the CLI [1] iptables save them on the active rule by issuing a /etc/init.d/iptables save active create the rules for the…

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H.323 through a Netfilter (Linux 2.4) firewall

To communicate using a tool like Microsoft NetMeeting or GnomeMeeting through a Linux (kernel 2.4.x-based) firewall, you have to redirect some ports to one IP address in the inside network, otherwise, it won’t work. Here is a little script meant…

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