https://www.ionos.fr/digitalguide/serveur/know-how/ports-tcpet-udp/
UDP ou TCP : ces ports permettent aux applications de communiquer entre elles sur Internet. Parmi les 65 536 ports existants, certains sont connus (well-known)...
listedesportstcpudp
https://mullvad.net/no/blog/ip-exposure-via-udp-ports
We have recently become aware of a newly published method for deanonymizing VPN users. For this to work, the user must be running some software that listens to...
udp portsmullvad vpnipexposurevia
https://helpdeskgeek.com/determine-open-and-blocked-ports/
Jan 31, 2025 - There’s a good chance you’ve happened upon this article because an application you’re trying to run is complaining about a “port” being blocked or...
udp portsfindopenblockedtcp
https://www.digitalocean.com/community/questions/issue-with-ports-12000-for-udp-and-port-13000-for-tcp?comment=170112
I have opened these ports in networking/firewalls but when i run:telnet 143.244.177.94 13000returns: Unable to connect to remote host: Connection refused
issueportsudp