Is a complete embedded fan-less firewall appliance that consumes less than 5Watt, it provides many of the features of commercial firewalls at a fraction of the cost.
Iss based on a bare-bone version of FreeBSD, along with a web server, PHP and a few other utilities.
The entire system configuration is stored in one single XML text file.
Features
pfSense includes most of the features available in expensive commercial firewalls. The following is a list of features available in the m0n0wall 1.33 release.
All of these things are possible in the web interface, without touching anything at the command line.
web interface (supports SSL)
serial console interface for recovery
set LAN IP address
reset password
restore factory defaults
reboot system
wireless support (including access point mode)
captive portal
802.1Q VLAN support
IPv6 support
stateful packet filteringblock/pass rules logging
NAT/PAT (including 1:1)
DHCP client, PPPoE and PPTP support on the WAN interface
IPsec VPN tunnels (IKE; with support for hardware crypto cards, mobile clients and certificates)
