Zentyal : Network Administration

(credit: zentyal)

Zentyal (formerly eBox Platform) is a unified network server that offers easy and efficient computer network administration for small and medium-size businesses. It can act as a gateway, an infrastructure manager, a unified threat manager, an office server, a unified communication server or a combination of them.

Ubuntu/Debian Internet Gateway for Internet Connections Sharing

Two lines of commands to activating Internet Gateway on Ubuntu/Debian for desktop computer has 2 NIC (network interface card). This function will gone after you restart the computer.

#echo 1 > /proc/sys/net/ipv4/ip_forward
#iptables -t nat -A POSTROUTING -j MASQUERADE