Thread: How do i block few pc from accessing the net?

Hello
I am using Huawei MT880 dsl modem for a multiple computer connection through LAN. I would like to block few IP address from accessing it.
Attached i screen shot. Please help me with what to put where as i was not able to understand Source, destination etc.

Regards,
Raghav

source would be WAN from 0.0.0.0 TO 255.255.255.255 .. and destination would be LAN from whatever ip range say 192.168.1.10 to 192.168.1.15 ..