invalid range of ports

Forum discussion tagged with invalid range of ports.
  1. Adrian Garcia

    [SOLVED] It's only allowing me to port forward one of two ports at once, trying to get an open NAT type, and other issues.

    Hello, I'm trying to get an open NAT type for Call of Duty: Black Ops III on PC. I've tried turning UPNP on, tried putting my network on DMZ, and nothing has worked. I even rebooted my router. So I had to resort to port forwarding. I have an ARRIS TG1672. But I have a couple questions and a...