NETGEAR CG814M Wireless Cable Modem Gateway CG814M CG814M Reference Manual page 33

Firewall Protection:
5.
Normally firewall protection should be enabled to protect your network from attacks from the
internet. Removing the check from the "Firewall Protection" box disables your firewall.
Click Apply to save your settings.
6.
Connecting the Gateway to the Internet
Reference Manual for the Model CG814M Wireless Cable Modem Gateway
2-13