Block unwanted traffic on port 1720
Hi, I have a voice/visioconference system available on the internet (via NAT-ed IP) using H323. So of course the port 1720 is open and reachable from outside, without restriction on IP addresses because users must be able to reach the system from their smartphone App. My problem is that sometimes, some traffic on port 1720 (shown as H.225 in t...




