34. IPCop Replaces Barricuda NG Firewall, Check Point Appliances Instead of buying a firewall appliance, you can make your own withIPCop and an old PC. Note that while IPCop does provide a firewall foryour network, it does not include anti-virus and some of the otherfeatures of the commercial product. Operating System: Linux.
35. Devil-Linux Replaces Barricuda NG Firewall, Check Point Appliances
Like IPCop, Devil-Linux also allows users to turn old hardware into anetwork firewall. It also lacks the anti-virus protection common incommercial appliances, but this project lets you use the system that isrunning the firewall as a secure server for a variety of applications.Operating System: Linux.
36. Turtle Firewall Replaces Barricuda NG Firewall, Check Point Appliances
Like the other tools in this category, Turtle Firewall makes itpossible to create your own Linux-based network firewall. Based onIptables, it offers a Web GUI that makes defining firewall elements andselecting services easy, or if you prefer, you can edit the XML filesdirectly. Operating System: Linux.
37. Shorewall Replaces Barricuda NG Firewall, Check Point Appliances
Shorewall (a.k.a. "Shoreline Firewall") can be used as a networkfirewall, as a gateway/router/server, or to protect a standalone Linuxsystem. While it may not be the most intuitive tool for configuringIptables to create your own firewall, it is very powerful and flexible.Operating System: Linux.
38. Sentry Firewall Replaces Barricuda NG Firewall
When installed on a PC attached to your network, Sentry Firewall actsas a network firewall, secure server, and/or intrusion detectionsystem. Like Devil-Linux it also boots from a CD. Operating System:Linux.
39. Vuurmuur Replaces Barricuda NG Firewall
This is yet another Iptables-based Firewall, this time designed to bevery easy to use. It also enables remote administration via SSH.Operating System: Linux.
40. Vyatta Replaces Cisco products
Vyatta offers router, firewall, and *** products so similar to Cisco products, that the Web site even contains a handy comparison tool.In addition to the "core" open source software download, the companyalso sells software subscriptions and hardware based on the open sourceproduct. Operating System: Linux.