[Wlug] Using iptables to MASQ the connection to the internet.

Hi all, Can you please tell me what is the sysntax of iptables to masquerade my network connection to the internet ? Basicly, I've only done this to masquerade my network connectionto the Internet, as default we can use the computer who masq the connection as gateway. ipchains -A forward -s 0/0 -d 0/0 -j MASQ So, can you please tell me what is the syntax of iptables to produce the result as the command above...... ? Thanks ......