lottalinuxlinks: Firewalls / Routers / Gateways

Top: Networking: Firewalls / Routers / Gateways

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CIPE - Crypto IP Encapsulation - An ongoing project to build encrypting IP routers. Latest stable release is 1.6.0, 2004-08-03.
Cd-Linux - Open Source in Action - Formerly FirePlug EDGE Project. Much of the software is now included in CD-Linux along with an archive of the old software.
ClarkConnect - Linux Server Appliance Platform - Software for deploying and managing dedicated servers and Internet gateways; this is the community and developer site.
Configuring NFS under Linux for IPTABLES Control - A comprehensive HOWTO by Chris Lowth. Part of the LinWiz tool kit, which can be found here: http://www.lowth.com/LinWiz. (April 2003)
Coyote Linux - A floppy-based firewall; with a menu-based interface for local administration; provides both SSH and a Web-based interface for remote administration.
Debian Router Project - This project includes a Debian Linux installation (tested on Debian Sarge, Ubuntu Dapper and Edgy) and can be used to build firewalls, routers, DNS servers, and VoIP servers.
Devil-Linux - Used for firewalls, routers, gateways and servers; boots and runs from a CD-ROM.
EURONODE.ORG : Open Source GNU / Linux Debian Systems - A set of Debian GNU/Linux distributions that can be used for a high performance server or firewall; three distributions available: minimal Woody, simple firewall, and advanced firewall.
Endo Shield
FREESCO Project - An open source alternative to routers offered by commercial companies; latest release is 0.3.5, 2006-04-1.
FireFlier - Firewall tool for iptables.
FireHOL, a Linux iptables packet filtering firewall builder for humans - Iptables stateful packet filtering firewall builder.
Firestarter Linux Firewall - An easy to use graphical interface; supports the 2.4 and 2.6 kernels; available in 38 languages; a GNOME application, but can be used on KDE and other desktop environments, servers and gateways.
Firewall Builder - Multi-platform firewall configuration and management tool. Site provides very good documentation, including an English-French FAQ, install & build instructions and a tutorial.
Floppyfw - A static router with the advanced firewall-capabilities in Linux that fits on one single floppy disc.
GNU Zebra -- routing software
Gibraltar Firewall - A Debian- based router and firewall package that boots and runs from a CD-ROM. Free for in-house commercial and non-commercial use.
Guarddog Firewall Utility - A firewall configuration utility for the KDE desktop.
IP Filter - TCP/IP Firewall/NAT Software - A software package that can be used to provide network address translation (NAT) or firewall services.
IPCop Project - the Bad Packets Stop Here - Linux firewall distribution.
IPTables Tutorial - One of the best iptables tutorials available. (2007)
Internet Firewalls: Frequently Asked Questions - This is a compilation of questions and answers about firewalls from various sources including Usenet, mailing lists, and websites. Latest revision is 10.4, 2004-07-26. Also available in Postscript and PDF.
Iptables Tutorial 1.2.2 - The aim of this tutorial is to explain iptables in a complete and simple way. (2006)
KMyFirewall - An iptables-based firewall configuration tool for KDE. Latest stable release is 1.1.1, 2008-01-30.
Knetfilter Homepage - A KDE application designed to manage the netfilter functionalities of the 2.4x and later kernels.
LEAF - Linux Embedded Appliance Firewall - A secure, feature-rich, customizable embedded Linux network appliance for use in a variety of network topologies. Used primarily as an Internet gateway, router, firewall, and wireless access point.
LinWiz - Linux IPTABLES Configuration Wizards - Configuration wizards currently available for a personal firewall and a server firewall; a dedicated family firewall and small office firewall is planned.
Linux Advanced Routing & Traffic Control HOWTO - A very hands-on approach to iproute2, traffic shaping and netfiltering options in Linux. Translations available in Chinese, French, Japanese, Korean, Polish, and Spanish. (2002)
Linux IPCHAINS-HOWTO - This document describes how to obtain, install and configure the enhanced IP firewalling chains software for Linux, and some ideas on how to use them. N.B.: Latest version is 2000, with nothing more recent available. This is a fundamental resource authored by Rusty Russell, a well-known kernel developer.
Linux Network Address Translation (NAT) - Site contains possible uses of NAT, and then follows up with Linux-specific applications; last updated 2002-11.
Linux UPnP Internet Gateway Device - This is a daemon that emulates Microsoft's Internet Connection Service (ICS). It implements the UPnP Internet Gateway Device specification (IGD) and allows UPnP aware clients, such as MSN Messenger to work properly from behind a Linux NAT firewall. Latest release (beta only) is linuxigd-1.0, 2007-02-07.
LinuxDevices.com - "Turning the SEGA Dreamcast into a Linux firewall/router" HOWTO. - A detailed 101-page article HOWTO by Christian Berger. (2003)
MRTG: The Multi Router Traffic Grapher - A cross-platform SNMP network device monitor (and a whole variety of other network devices) which can draw pretty pictures showing how much traffic has passed through each interface; latest release is 2.14.3, 2006.
NetBSD Firewall solution
NuFW - Now User Filtering Works - An enterprise grade authenticating firewall which runs on top of Netfilter.
OpenVPN - An Open Source VPN Solution by James Yonan - A VPN (Virtual Private Network) daemon to securely link two or more private networks using an encrypted tunnel over the internet.
P2P Traffic Filtering for Linux Firewalls - The P2Pwall project provides tools and documentation on using Linux iptables for filtering traffic from peer-to-peer file sharing applicationssuch as Kazaa and others.
PortForward.com - Free Help Setting up Your Router or Firewall - This is the site to visit for information on configuring routers; also provides configuration for games and services such as BitTorrent, Icecast, ShoutCast, World of Warcraft, GNUtella, Hoyle games, and Doom 3.
Quagga Software Routing Suite - Fork of GNU Zebra project.
RUS-CERT - fwlogwatch - Firewall log analyzer and real-time attack detection and response tool.
Rope - A scriptable IpTables match module.
Shoreline (Shorewall) Firewall - A high-level tool for configuring Netfilter; Iptables made easy.
SmoothWall - An open source firewall distribution based on the GNU/Linux operating system.
TCP/IP Connection Cutter for Linux Firewalls (Introducing "Cutter 1.01") - A comprehensive HOWTO by Chris Lowth on TCP/IP connection cutting on Linux IPTables firewalls. (2006)
The netfilter/iptables project - The premier site for information on Linux firewalls and routers; contains extensive documentation in many languages, mailing lists, downloads, security information, and news.
Untangle - An open source (GPLv2) security gateway complete with 14 applications including intrusion detection, spam, phish, and virus blocking, web content filtering, firewall, and remote access applications - VPN and remote access portal.
Vyatta - Open Source Networking - A GPLed, enterprise-class router / firewall / VPN for Linux that runs on x86 hardware.
Welcome to XORP - An open source software router platform; implements routing protocols for IPv4 and IPv6.
Wonder Shaper - Script which can be configured to rate-limit uploads so that low latency and high download speeds are maintained; originally part of the Linux Advanced Routing & Shaping HOWTO.
YA-Faq - Clarkconnect Faq - This site is aimed primarily at the users of the ClarkConnect firewall software; it is a central repository for information on ClarkConnect. NOTE: must be a registered user to access most of this site.