IPFire 2.7
IPFire is a linux-distribution that focusses on easy setup, good handling and a high niveau of security.
It is operable via an intuitive webinterface, which offers a lot of playground for beginners and even experienced administrators. IPFire is maintained by experienced developers, who are really concerned about security and regulary updates to keep it secure.
IPFire ships with a custom built paket-manager called Pakfire, so the system can be expanded with various addons.
The main focus of the IPFire distribution is being a firewall. It splits the network into several parts and allows only operations that are allowed by policy.
stateful inspection firewall based on linux netfilter architecture
intrusion detection system with Guardian addon as extension (IPS system)
filter for invalid/non-standard packages
separate network segments for server (DMZ) and wireless with custom policies
DoS attack protection
application proxies for HTTP and FTP (with access control and content filtering) and DNS
incoming and outgoing packet filtering with user grouping
Quality of Service and traffic shaping
Download link to the distribution ISO