Arma Reforger Dedicated Server: config.json & Admin Commands

Data Verified: May 2026

Complete Arma Reforger dedicated server admin reference. Configure config.json, Workshop mod sync, Conflict/Game Master scenarios, RCON via BattlEye, and hardware sizing.

Default file locations

Default installation paths for Arma Reforger dedicated servers installed via SteamCMD.

Windows

C:\ReforgerServer\

Linux

/home/steam/reforger/

Pro-Tip: Always stop the server completely before editing configuration files, or the server will overwrite your changes upon restart.

Default ports for port forwarding

Open these on your router and firewall before exposing the server to the internet.

Default ports for Arma Reforger
ServiceProtocolPort
Game PortUDP2001
Query PortUDP17777
RCON / TelnetUDP19999 (BattlEye)

Frequently asked questions

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