Firewall for the Linksys WRT54GX2Router Sceenshot

Firewall Firmware Version: 1.01.06 Security WRT54GX2
Setup
Wireless Security Access Restrictions Applications & Gaming Administration Status Firewall
Firewall
Firewall Protection:
Enable
Disable
Block WAN Request Block WAN Ping VPN Pass Through PPTP Pass through Enable Disable IPSec Pass through Enable Disable L2TP Pass through Enable Disable Block WAN Ping: If the Block WAN Ping is enable, then it can't ping to a WAN host or from a WAN host. VPN Pass Through: If you have a VPN network, you can decide if the protocol IPSec,PPTP and L2TP is enable. If it is enable, then this protocol will pass through the VPN.