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silvanwakker
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silvanwakker

Can not join Unturned game server (stuck on loading, "server lost your connection". Not allowing inbound connections?

August 7, 2016 2k views
Firewall Ubuntu 16.04

512 MB Memory / 20 GB Disk / AMS2 - Ubuntu 16.04.1 x64
I have set up a Unturned gameserver which runs at ports 27015, 27016, 27017. The server loads succesfully without any errors. When I try to join the server, I can see in the debug menu that the server didn't respond in X seconds, it then disconnects me after a 30 second timer.

I have used this tool: http://www.yougetsignal.com/tools/open-ports/ to check if my ports are open, they are not. Even though another post confirmed that all ports are opened by default as soon as a service is listening on them. Just in case I allowed the ports on Uncomplicated FireWall (UFW) both UCP and UDP.

I have been trying a lot of things to no avail. Any help would be greatly appreciated

4 comments
  • kamaln7 MOD August 8, 2016

    Hi! It's possible that the game server is listening on the local loopback interface only (127.0.0.1) which would make it inaccessible from outside of the Droplet. Running this command should list all processes that are listening on the three ports that you listed and also show what interfaces they are listening on:

    sudo netstat -plutn | grep -E "27015|27016|27017"
  • silvanwakker August 19, 2016

    Hi, the server is not listening on localhost. It is running on the public IPv4 address. Using "netstat -ntulp", both ports don't have the "LISTEN" state. I'm assuming that this is why it won't allow incoming traffic?

    p.s. After reading a little further, the server uses the 2 ports after the ones I give, so if I bind the port to "27015", it will use ports "27016" and "27017". The first is for the game itself, the second for Steam services.

  • ld480 September 21, 2016

    I am facing the same problem. According to netstat the ports are being used by the application but it is not in listening mode. I have tried the same build on AWS and it worked. I also assumed that all inbound connections are permitted by default. Any directions?

  • silvanwakker September 21, 2016

    I couldn't get it to work, I gave up on it for now. If you get it working please let me know.

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4 Answers
ld480 September 20, 2016
[deleted]
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rjm226 November 7, 2016

Did you ever get this to work? Can't figure this out. WHAT A HEADACHE.

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Treepa January 15, 2017

I've had the same problem, but I haven't found a solution.

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kouwasi April 26, 2017

From setting of network interface

# Control-alias eth0
Iface eth0 inet static
     Address 10.15.0.6
     Netmask 255.255.0.0

Please try comment out the local IP address setting like.

In the case of Ubuntu 16.04, this solves the problem.
The problem is that the listening IP address was an IP address for DigitalOcean Floating IP.

Machine translation may make reading difficult.
Excuse me.

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