SeaWall

SeaWall:Open Source Firewall software

The Seattle firewall is an ipchains based firewall that can be used on a dedicated masquerading firewall machine (including LRP), a multi-function masquerade gateway/server or on a standalone Linux system.

Features

• Customizable using configuration files and with explicit ipchains rules without modifying the released Seattle Firewall scripts.
• Support for status monitoring with an audible alarm when an "interesting" packet is detected.
• Support for VPN via ipip tunnels, IPSec and PPTP.
• Support for masqueraded PPTP servers, including PoPToP.
• Support for masqueraded servers (requires ipmasqadm).
• Support for running PoPToP on a Linux gateway/firewall.
• Limited support for a DMZ.
• Fallback script that backs out the installation of the most recent version of Seattle Firewall.
• An easy to user and install RPM module.
• A Coyote LRP module is supported.

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