Hi: You are right sorry for my wrong post.!!That doesn't mean the server address and port you entered on your router supports both protocols, their Windows client probably automatically change that for you. Most providers require you to enter a different server and/or port if you want to switch protocol.
Inspecting config files i found nordvpn uses in fact the same server for udp and tcp but it changes tcp port to 443!!! and i have other vpn server (sstp) so i can not get connection.
Advice for everyone NORDVPN TCP IS port 443. (i can understand why they do it they want to avoid firewalls...!!!) but they should tell everybody about this.
I tested and it works sorry for the mess and thank you very much
Thank you very much.
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