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