Tutorial IPFire

IPFire is a source-based linux firewall distribution that brings additional features with it. The easy-to-set-up system defeats its competitiors like IPCop, Smoothwall and Endian-Firewall potty. A stateful-inspection-firewall with a luxuriant content-filtering-engine plus traffic-control (QoS) rounded with latest vpn-technology and a lot of logging is foolproof to administer with just a very few clicks.

"Modular system" is the principle of IPFire.
There is a big number of addons. See the short list below:

• Intrusion-Prevention-System Snort(Guardian) and more security tools Tripwire and Lynis
• File- and printserver for heterogeneous networks (Samba, CUPS, FTP & NFS)
• Voice-over-IP solution with Asterisk and Teamspeak plus traffic prioritization
• Multimedia addons (video- & audio-streaming, jukebox)
• WLan Access Point with hostap and many Atheros Chips
• and many more - List of all Addons