White paper outlining the basics of firewall systems and giving details on setting up both, a filtering and proxy firewall on a Linux based system.
Define IPCop Firewall - from the Linux / Unix / Computing glossary at About.com.
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Astaro Security Linux Components: Firewall | VPN | Anti-Virus | Spam Filter | Content Filtering | Intrusion Protection Astaro Security Linux ·Fact Sheet ·Firewall ·VPN Gateway ·Anti-Virus
Das Handbuch beschreibt detailliert den Aufbau von Linux Firewalls mit ipfwadm, ipchains und der SF Firewall. Zusätzlich eine Einführung zum Thema Firewall und Installation von Linux.
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A graphical interfaced Open Source firewall for Linux.
Hacking Linux Exposed Authors write more than they wish to admit. Brian Hatch has co-authored Building Linux VPNs. James has lead-authored Open Source Web Development with LAMP. In
Explore Linux networking. Many technologies are involved in networking Linux with other computers and the Internet.
SmoothWall Express is an open source firewall distribution based on the GNU/Linux operating system. Linux is the ideal choice for security systems;