What SSL Certificate Port Does SSL Use? Explained by SSL

List of TCP and UDP port numbers - Wikipedia 248 rows Port 443 (tcp/udp) :: SpeedGuide 24 rows TCP 443 - Port Protocol Information and Warning!

Mar 20, 2019

outbound ports 2545-2565/TCP: VidiU speed test function, not required for streaming operation -- only to run the built-in speed test to a Teradek-hosted server at a specific IP address; outbound port 443/TCP (HTTPS): used for authentication with the built-in providers such as YouTube Live, Facebook Live, Ustream, Livestream, and Twitch How do I check if a port is in use on Linux? - nixCraft

Stop VMWare from using port 443. |VMware Communities

Related: How to Disable USB Ports in Windows 10. TCPView. If you don’t mind installing a third-party app and want to have more control over what’s going on with all your ports, you can use a lightweight app called TCPView. This immediately brings up a list of processes and their associated ports.