I've created a rule in google cloud to allow inbound connections, but the port won't open. Can't connect through telnet or online port checkers. Can anyone tell me what could the issue be? I included all my rules below as well but it's port 27015 I'm trying to open and on a Windows server (with firewall disabled)
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The string you entered into Protocols and Ports is using a semi-colon to separate TCP:27015 and UDP:27105 which is invalid syntax, you need to use a comma ,.
funkytown
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You can check following the previous answer posted by the community member, if the issue still persists, you can try the following:
- Check to see if the port is open or closed using nmap.
nmap [ip_address]
Make sure there is no firewall running inside the VM blocking those connections.
Check from inside the VM and make sure that service is running on that port.
telnet
- You also need to verify if the application running on your instance is listening on port (in this lnk it talks about 443 but in your case it is TCP:27015) . To check this, try with this command.
sudo netstat -ntlp | grep LISTEN
In the output, if you don't see the application beside port number, check if your VM is correctly configured to ports for your application.
Md Zubayer
- 205