"GNU Firewalling tools"Edit by Brothersoft: GNU Firewalling tools. Formerly known on Freshmeat as ipchains-firewall. Features:* IP Masquerading/NAT* Easily configurable for PPP dialup, LAN - WAN or LAN - LAN gatewaying (such as ADSL, Cable Internet, or just a firewall) External port blocks for vulnerable processes (SQL, NFS, X)* Secure out of the box (services blocked by default)* Ability to allow/block specific addresses or subnets (let your friends in, keep the script kiddies out)* Logging of packets that may be potential hacks* Basic services (ftp, http, etc) can be individually controlled* Takes advantage of ipchains/iptables ability to manipulate TOS bits for improved performance * Automatically configures addresses and determines if masquerading/NAT is needed. . you can
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