I have a VPN running which gets past the router block. When I disable the VPN, it's blocked. Now I have get the VPN to block it.

I have a tl-wr940n and I tried to block 8.8.8.8 with a subnet mask of 255.255.255.255 and gateway of 192.168.1.1 but it fails to block the IP. I have the current firmware, v6-2111111. I can still...