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How to change listen server port?

As said in question, I was looking for a way to change default game port (that is 7777) when creating listen server so the port is selected from user interface. I've tried to use parameter "listen -port 7778" in open level node but with it server not start listening at all (No message in output log about listen server) and no connection using "open" on client.

I know about game shortcut parameter " -port 7777" and thought it will work with open level node but it doesn't.

Product Version: UE 4.16
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asked Jul 03 '17 at 06:34 PM in C++ Programming

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"path\UE4Editor.exe" "path\your project name.uproject" /Game/your map path/your map name -server - log -port=xxxx

like this:

"C:\UnrealEngine_4.20\Engine\Binaries\Win64\UE4Editor.exe" "C:\Project\Project.uproject" /Game/Maps/TestMap -server -log -port=9999

This is my first time to answer the question and I am a little excited. If it helps you, please let me know. Thank you~

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answered Dec 03 '18 at 02:52 AM

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avatar image HollingsworthDan May 04 '19 at 07:16 PM

also QueryPort=xxxxx for the query port, and you should be aware for firewall purposes the steam port will be the port + 1.

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What I used for ListenServer like below.

"testLevel?Listen -game -log -NOSTEAM -Port=9999"

And if you check the Log file, the log like below would be show up.

"LogNet: GameNetDriver IpNetDriver_0 IpNetDriver listening on port 9999"

Which means your ListenServer is getting ready for socket connection.

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answered May 05 '19 at 11:55 PM

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