Computers

nf-hipac aims to become a drop-in replacement for the iptables packet filtering module. It implements a novel framework for packet classification which uses an advanced algorithm to reduce the number of memory lookups per packet. The module is ideal for environments where large rulesets and/or high bandwidth networks are involved.

More commonly known as "Shorewall", this is high-level tool for configuring Netfilter. Shorewall can be used on a dedicated firewall system, a multi-function gateway/router/server or on a standalone GNU/Linux system. Shorewall can take advantage of Netfilter's connection state tracking capabilities.

Open source security software for dumping firewall configurations and monitoring traffic through them. Software details and downloads.

Includes a collection of useful scripts for the management, rules setting and conversion, and other related topics referencing open source firewall offerings. Included are tools to convert ipchains rulesets into iptables rulesets and ipfwadm to ipchains.

Homepage of Tim Niemueller. COntains various modules for Webmin management interface supporting iptables and ipchains firewalls, squid and other networking and security software.

Monitor and log analysis for Linksys WRT54G and similar devices using Sveasoft Firmware. Requires MS-Windows.

Provides the SecureTrack application for firewall policy change management, auditing, analysis and compliance. [Requires Javascript to view site]

A simple tool that exports OpenBSD pflogd binary packet filter logs to human-readable XML files.

A free set of shell scripts that helps you generate iptables rules for Linux 2.4.x and newer kernels, designed to run on hosts with one or two network cards.

Country categorized IP list resource for configuring filter rules.