eggs/steamcmd_servers/arma/arma3/README.md

Arma 3

From their Site

Experience true combat gameplay in a massive military sandbox. Deploying a wide variety of single- and multiplayer content, over 20 vehicles and 40 weapons, and limitless opportunities for content creation, this is the PC’s premier military game. Authentic, diverse, open - Arma 3 sends you to war.

Minimum RAM warning

This server requires about 2048m to run properly. ARMA 3 is more CPU intensive though.

Additional settings

Additional server flags can be found here.
This can help is you see the server using to many cores/threads on the server.

Server Ports

Ports required to run the server in a table format.

Port	default
Game	2302-2306
BattleEye	2344-2345

Mods/Plugins may require ports to be added to the server.