GShield is an aggressive, modular, iptables-based firewall script for the 2.4.x series of the Linux kernel.
The Falcon Project (the Free Application-Level CONnection) is an open firewall project with the intention of developing a free, secure and OS-independent firewall system.Falcon consists of different...
This security-auditing tool is multi-threaded and plug-in-based. It has a nice X11 interface.The current version performs 180 security checks against remote hosts that you specify.
Mason creates a firewall that matches exactly the types of TCP/IP traffic flowing in, out and through a Linux computer.The program can be used to create a full firewall or add rules to an existing...
The Securepoint Operation Center (SOC) is the central configuration and management solution for all UTM and VPN systems from Securepoint. With the operation center you can manage as much Securepoint...
GuardDog is user-friendly firewall generation and management utility for KDE on Linux. It allows you to specify which protocols should be allowed and requires no knowledge of port numbers.It also...
IP Filter is a TCP/IP packet filter, suitable for use in a firewall environment.The program can either be set as a loadable kernel module (highly recommended) or be incorporated into your UNIX kernel.
This Internet privacy application uses military-gradeencryption. It also includes a cookie manager, encrypted e-mail and Anonymous Internet.
CIPE (Crypto IP Encapsulation) is an ongoing project designed to build encrypting IP routers. The protocol used is as lightweight as possible.CIPE was created in order to pass encrypted packets...