How Websites Know Your Country with VPN & How to Fix (2026)
Yes, websites can see if you are using a VPN even in UDP mode. Whether you connect via WireGuard (UDP 51820) or OpenVPN UDP (port 1194), UDP is simply the transport layer protocol used between your computer and the VPN server.
Once your packets exit the VPN server and reach the destination website, the website inspects the server’s public IP. If that IP is listed in commercial IP threat intelligence databases as a data center node, the website identifies you as a proxy user regardless of UDP encapsulation.
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