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Web check: why can't friends join my game server?

Web check: why can't friends join my game server?

Oct 18, 2026 Developer Tools
game server multiplayer networking port-forwarding server-hosting

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Web check: why can't friends join my game server?

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Hosting a Minecraft/Palworld/Valheim/CS2 server for friends usually ends the same way: you send the IP, they get "connection timed out", and everyone spends the evening in router menus. I built Server Doctor to shorten that. While building it I went through each game's docs and a lot of forum threads, and the same five causes keep coming up: Wrong protocol. Minecraft Java is TCP 25565, but Bedrock (19132), Palworld (8211), Valheim (2456-2457) and Rust (28015) are UDP. A TCP forward...

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