Migrating from IPChains to Netfilters?

Posted by Cliff on Tuesday November 13, 2001 @11:03PM from the upgrading-those-firewalls dept.

lodn asks: "I've been using a Linux gateway for some time now. It's a simple kernel 2.2.18 install with IP forwarding. Thanks to the great HOWTO on IPchains I was able to configure it with no problems. Now I'd like to upgrade to kernel 2.4, however I have not been able to find a HOWTO for Netfilters! Does anyone know where such can be found?" Anyone know of any IPchain-to-Netfilter migration utilities? I must admit, I haven't been able to find much information about Netfilter usage either when I went looking into 2.4, however my firewall is also still 2.2. Time to upgrade, methinks.

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Bastille Linux Webpage by ctar · 2001-11-14 15:56 · Score: 0, Redundant

Bastille Linux's Webpage has a nice 2.4 Netfilter Firewalling document... I also used this GUI which can create rulesets for ipchains and iptables/netfilter. And, yes, if you upgrade your kernel to 2.4, netfilter can still read your ipchains rulesets, so its not necessary to immediately rewrite your rulesets for ipchains/netfilter.