Jan 14, 2020 · You can save the open ports scan result to a text file: portqry -n 10.0.25.6 -p tcp -r 20:500 -l scan_port_log.txt. The portqry utility has an interactive mode:
26 rows Port Checker - Check Open Ports Online Port Checker is a simple and free online tool for checking open ports on your computer/device, often useful in testing port forwarding settings on a router. For instance, if you're facing connection issues with a program (email, IM client etc) then it may be possible that the port required by the application is getting blocked by your router's Using telnet to Test Open Ports | The Complete How-To
Testing Port 3389 - Right Networks
Apr 04, 2018
Nov 15, 2019
Nov 15, 2019 · Simple Port Tester is a free program by PcWinTech.com to help users test if their ports are open with just a few clicks. As of version 2.0.0 and newer of the program now tests both TCP & UDP ports. The trick with testing if your port forwarding is working is to have something on your computer actually listening on the port.