Talk:PFSense and OPNsense

wan interface

there is no such thing as traffic going to a LAN address

an undocumented shortcoming, the firewall cannot understand traffic going to an internal address. Instead the traffic goes to the public WAN IP

you can't apply firewall rules on the WAN: they don't work

website sources for valuable information

• http://www.derman.com/blogs/Setting-Up-Blocking-Firewall-Rules