I want to block an IP address...

like the following...

80.80.*.*

i've putted it in WAN to LAN and LAN to WAN but the specified IP can still gain access to my computer...

isnt it Internet Firewall to Block IP ???

whats wrong....???

of course i've blocked it to 192.168.1.* but it doesnt work...

Firmware version 1756 CR5.