Name	Rating	Popularity	License	Supported platforms
PMFirewall			GPL	Console	-
PMFirewall is an Ipchains Firewall and Masquerading Configuration Utility for Linux.
Falcon Firewall Project			GPL	Console	-
The Falcon Project (the Free Application-Level CONnection) is an open firewall project...
Fwctl			GPL	Console	-
The Fwctl module is used to configure the Linux kernel packet-filtering firewall using...
LnxFire			GPL	-	X11
With LnxFire, you can use the firewall-creation wizard to quickly create a basic firewall.
Tucows Features: Aaron's WebVacuum This program allows you to download pictures and MP3s from Web sites. DOMAIN NAMES Register YOURNAME.COM Today! Webroot Window Washer Wash away all traces of your PC and Internet activity and improve system performance with...
fwmap			GPL	-	X11
Build an image of your network and simply add rules to your firewalls by adding used or...
Freedom Internet Privacy Suite			Open Source	-	X11
This Internet privacy application uses military-grade encryption.
gShield			GPL	Console	-
gShield is an aggressive, modular, iptables-based firewall script for the 2.4.x series of...
Mason			GPL	Console	-
Mason creates a firewall that matches exactly the types of TCP/IP traffic flowing in, out...
knocker			Open Source	-	X11
Knocker is a simple port scanner that detects TCP ports on local or remote systems.
Wolverine Firewall			GPL	Console	-
This program prompts you through the setup of iptables firewalling for servers.
geheimnis			GPL	-	X11
This PGP configuration tool and key ring viewer was formerly called Kpgp.
Securepoint Firewall and VPN Server			Commercial	-	X11
Securepoint firewall & VPN server offers a full-featured suite of firewall tools designed...
netfilter			GPL	-	X11
This is a firewall, NAT and transparent proxy solution for Server-optimized Linux.
fBuilder Plus			Demo	-	X11
This is a Web based utility for building and configuring ipchains and iptables based Linux...
CIPE			GPL	Console	-
CIPE (Crypto IP Encapsulation) is an ongoing project designed to build encrypting IP...
StarLink XFwall - KDE Professional Firewall			GPL	-	X11
This graphical firewall program for Linux is aimed at corporate users.
Astaro Security Linux			Demo	Console	-
This is an all-in-one network security gateway that includes a firewall, intrusion...
GuardDog			GPL	-	X11
GuardDog is user-friendly firewall generation and management utility for KDE on Linux.
Firestarter			GPL	-	X11
This is a visual firewall tool for Linux.
Firewall Admin			GPL	-	X11
This tool allows network administrators to manage IP table rules from anywhere through a...
Bifrost			Demo	-	X11
This is a firewall management interface to iptables.
BullDog			GPL	Console	-
This firewall utility can be ported to platforms other than Linux.
Endian Firewall		Newly Added	GPL	Console	-
This is a turn-key linux security distribution based on IPCop that turns every system into...
IP Filter			GPL	Console	-
IP Filter is a TCP/IP packet filter, suitable for use in a firewall environment.
Nessus			GPL	-	X11
This security-auditing tool is multi-threaded and plug-in-based.
Seahorse			GPL	-	X11
Seahorse is a GNOME front-end for the Gnu Privacy Guard program.