For those who are interested in learning more about TCP and networking, I can suggest some additional resources.
Some providers throttle or block P2P (Peer-to-Peer) connections. radmin vpn relay tcp fix work
This happens because your computers can't talk directly—usually because of a stubborn router, a restrictive firewall, or your internet provider's "CGNAT" setup. Instead of a direct "handshake," your data has to go through a middleman server (the relay), which is like taking a massive detour on a road trip. Radmin Club For those who are interested in learning more
Are you trying to host a , or using this for general file sharing/remote work? Share public link a restrictive firewall