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ClarkConnect transforms standard PC hardware into a dedicated broadband gateway and easy-to-use server. The Linux-based solution includes firewall and security tools, along with file, print, web, e-mail, proxy, antivirus, antispam, content filtering and VPN servers. The ClarkConnect system can act as a gateway for your network, or as a standalone server on your LAN. Once you have your ClarkConnect system up and running, you can configure the server/gateway with the easy-to-use web-based administration tool.

Coyote Linux Personal Firewall is a personal firewall distribution of Linux designed for the purpose of protecting a personal or educational network. In addition to being designed to have very low hardware requirements, Coyote Linux is able to provide the performance and uptime that is expected from any Linux based system. This firewall product is licensed for personal and educational use and is available free of charge.

Devil-Linux is a special Linux distribution (runs from CD or USB flash device), which is used for Firewalls/Routers/Gateways/Servers. The goal of Devil-Linux is to have a small, customizable and secure Linux. The future of Devil-Linux will go far beyond an ordinary Router, we will provide a lot of other services, but the Distribution will still be easy and fast to maintain.

Endian Firewall is a "turn-key" linux security distribution initially based on IpCop that turns every system into a full featured security appliance. The software has been designed with "usability in mind" and is very easy to install, use and mange, without loosing its flexibility. The features include a stateful packet inspection firewall, application-level proxies for variuos protocols (HTTP, POP3, SMTP) with antivirus support, virus and spamfiltering for email traffic (POP and SMTP), content filtering of Web traffic and a "hassle free" VPN solution (based on OpenVPN).

Gibraltar is a Debian GNU/Linux-based firewall package which is bootable directly from CD-ROM, so hard disk installation is not necessary. The configuration data is optionally stored on hard disk, floppy disk or an USB storage device. Gibraltar was specifically developed for small-sized to medium-enterprises and fulfils all demands for an up-to-date firewall package. In times where the threats of viruses, worms, trojan horses or hackers are increasing rapidly, Gibraltar offers you an extensive protection of your internet connection. Gibraltar works with every sort of internet-connection. Whether there you are using a permanent cable, DSL or dial-up connection, Gibraltar takes care that your internet-connection is safe. Besides the commercial release of Gibraltar, there is as well a freely available release.

IPCop Firewall is a Linux firewall distribution geared towards home and SOHO (Small Office/Home Office) users. The IPCop interface is very user-friendly and task-based. IPCop offers the critical functionality of an expensive network appliance using stock, or even obsolete, hardware and OpenSource Software. All this functionality can be managed from a simple to use web interface, even updates and patches can be installed using a web browser. Remember IPCop works with most home networks and small office networks, dial up modems, cable modems, ADSL, Leased lines and ISDN.

m0n0wall is a project aimed at creating a complete, embedded firewall software package that, when used together with an embedded PC, provides all the important features of commercial firewall boxes (including ease of use) at a fraction of the price (free software). m0n0wall is based on a bare-bones version of FreeBSD, along with a web server, PHP and a few other utilities. The entire system configuration is stored in one single XML text file to keep things transparent.

pfSense is a open source firewall derived from the m0n0wall operating system platform with radically different goals such as using OpenBSD's ported Packet Filter, FreeBSD ALTQ (HFSC) for excellent packet queueing and finally an integrated package management system for extending the environment with new features.

redWall Firewall is a bootable CD-ROM firewall based on Gentoo Linux. Its goal is to provide a feature-rich firewall solution together with a web-based interface for all the generated log files. redWall Firewall comes with Snort, SnortSam, DansGuardian and support for fwbuilder, SpamAssassin, reporting, VPN and mail alerts. Configuration files are stored on a floppy disk or a USB pen drive.

SmoothWall is a family of Internet security products, designed to defend your users and your network from external attacks. SmoothWall Express is based on the Linux operating system. Linux is the ideal choice for security systems; it is well proven, secure, highly configurable and freely available as open source code. SmoothWall includes a hardened subset of the GNU/Linux operating system, so there is no separate OS to install. Designed for ease of use, SmoothWall is configured via a web-based GUI, and requires absolutely no knowledge of Linux to install or use.

Vyatta software is a complete, ready-to-use, Debian-based distribution that is designed to transform standard x86 hardware into an enterprise-class router / firewall. Vyatta software includes support for commonly used network interfaces, and industry-standard routing protocols and management protocols. Unlike previous open-source routing projects, all these features are configurable via a single command-line interface (CLI) or web-based graphical user interface (GUI). Vyatta software is available as a free Community Edition as well as tiered Software Subscriptions that include maintenance, upgrades and support.