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Cannot connect to second server?

Pending 1.1.5

aRandumDude
aRandumDude

Posted

Configs show the correct IP and RCON port and correct password, but my second server isnt connecting?

giving the following error.

Screenshot 2026-03-06 233601.png

  • Curator
Mevent

Posted

Hey! So the bot connects to your servers via WebSocket RCON, and Server-1 on port 28016 is working fine. The issue is Server-2 on port 28021 - it's not responding to the RCON connection at all.

 

The most common cause is a wrong RCON port. In Rust, the RCON port is usually your server port + 1 (so if your game port is 28015, RCON is 28016). Double check what RCON port your second server is actually using - look for +rcon.port in your server's startup command line. It might not be 28021.

aRandumDude

Posted

14 hours ago, Mevent said:

Hey! So the bot connects to your servers via WebSocket RCON, and Server-1 on port 28016 is working fine. The issue is Server-2 on port 28021 - it's not responding to the RCON connection at all.

 

The most common cause is a wrong RCON port. In Rust, the RCON port is usually your server port + 1 (so if your game port is 28015, RCON is 28016). Double check what RCON port your second server is actually using - look for +rcon.port in your server's startup command line. It might not be 28021.

Right, its correct is what im saying.

 

Screenshot 2026-03-09 160111.png

Screenshot 2026-03-09 160123.png

  • Curator
Mevent

Posted

So the port and IP look correct, that's not the issue here. The error "did not receive a valid HTTP response" means the bot is trying to connect via WebSocket, but your second server isn't responding with a WebSocket handshake. Our bot requires WebSocket RCON, not regular TCP RCON. Check your second server's startup command line and make sure it has +rcon.web 1 in the launch parameters. Your first server probably already has it since it connects fine. Without that flag, the RCON port only accepts TCP connections and rejects the bot's WebSocket requests.

aRandumDude

Posted

7 minutes ago, Mevent said:

So the port and IP look correct, that's not the issue here. The error "did not receive a valid HTTP response" means the bot is trying to connect via WebSocket, but your second server isn't responding with a WebSocket handshake. Our bot requires WebSocket RCON, not regular TCP RCON. Check your second server's startup command line and make sure it has +rcon.web 1 in the launch parameters. Your first server probably already has it since it connects fine. Without that flag, the RCON port only accepts TCP connections and rejects the bot's WebSocket requests.

Both servers have "+rcon.web true"

Are you saying both need to say "+rcon.web 1"

?


 

aRandumDude

Posted

I should also note, that at one point the second server was connecting just fine.

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