This article will guide you through the steps to enable a server password on your ARMA3 server to lock it down so only those with the password can join.

Login to the control panel here:
Stop the server and click config files.
Click text editor on the default.cfg

In this file you find a section dedicated to joining rules. The top option is the server password you need to enter here to enable it.

It is vital you remove the // at the start of the line. // cause the server to not read the line. Removing them allows the line to be read.
Save the config file and start the server.

You have now set a server password on your ARMA3 server.
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