I'm pretty sure that's how I configured it based on the guide I mentioned but I'll try it again and keep you posted. Thx for the reply.

@Virgo I want to allow access to the RDP server on the LAN from only a specific external address. I followed this guide https://www.youtube.com/watch?v=WgANlWL51PE which is exactly what I'm trying to...

I'm trying the configure ACL to limit access to an RDP server behind the ER7206 and it absolutely dosen't work, I'm a 20yr+ ITprofessional, I've configured pretty much every type router out there,...