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I'm using mandrake 9.0 on a comp at home and although this version comes with a built in firewall I'm less than satisfied with how it works. I've gone to various firewall test sites like pcflank.com, and grc.com to check how well it works, and it fails some of the tests. Port 80 and the FTP port as well as a few others are left open, and none of the other ports are stealthed. I'm somewhat security conscious, so I want to use a more secure firewall. My question is what should I use that works on mandrake 9.0? I'm a newbie to linux so I tried installing firestarter, but I got 3 dependencies on mandrakes software manager. I'm somewhat lost when it comes to taking care of the dependencies, (gtk2, which I thought I already should have, libssl.co.2, and libcrypto.co.2), so is there a firewall that I can install on a standard 9.0 install without having to do anything else? or is there a way to configure 9.0's firewall in a secure way? or is it already as secure as I need? Thanks.
You can go over http://linuxguruz.org/iptables and highjack one of the iptables scripts, and if you said you are security concious person you should have some reading on iptables as well. On the same site there is a link to iptables tutorials, and there is a site for actual iptables home http://www.netfilter.org