Arma Reforger is a military simulation game set in the Cold War era. Host dedicated multiplayer servers on a sprawling 51 km² island with authentic combat, vehicles, and tactical gameplay. Supports scenarios, mods, BattlEye anti-cheat, and Game Master mode.
Here's what you need to run a Arma Reforger dedicated server.
Small server, 1-16 players
Medium server, 16-64 players
Large server, 64-128 players
Start hosting from your own computer
Run a Arma Reforger server on your desktop, laptop, VPS, or dedicated machine — GameCP automates Docker setup, resource allocation, and Arma Reforger configuration instantly. Automatic port forwarding means your friends can connect without touching your router. Start local, scale to a VPS when you're ready.
Skip the manual SteamCMD installation, port forwarding, and systemd configuration. Install on your own computer and start hosting instantly.
The full manual process to host a Arma Reforger dedicated server on a VPS. Or install GameCP on your own computer and skip all of this.
Set your server settings, then install Docker, SteamCMD, and pull the Arma Reforger container image.
# Update system and install Docker
sudo apt update && sudo apt install -y docker.io
sudo systemctl enable --now docker
# Create game server directory
sudo mkdir -p /opt/gameserver
# Install SteamCMD
sudo mkdir -p /opt/steamcmd
curl -sqL "https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz" | sudo tar zxvf - -C /opt/steamcmd
# Server configuration
export MAX_PLAYERS="32"
export VISIBLE="true"
export BATTLEYE="true"
export SCENARIO_ID="{ECC61978EDCC2B5A}Missions/23_Campaign.conf"
export DISABLE_THIRD_PERSON="false"
export MAX_FPS="120"
export AUTO_UPDATE="1"
# Pull the container image
docker pull ghcr.io/ptero-eggs/steamcmd:debianDownload the Arma Reforger dedicated server using Steam App ID 1874900.
# Download Arma Reforger server files (App ID: 1874900) /opt/steamcmd/steamcmd.sh \ +force_install_dir /opt/gameserver \ +login anonymous \ +app_update 1874900 validate \ +quit
Arma Reforger requires 2 ports to be open for game traffic and queries.
sudo ufw allow 2001/udp sudo ufw allow 17777/udp
Start the Arma Reforger server using the configuration from Step 1.
docker run -d \
--name arma-reforger-server \
-p 2001:2001/udp \
-p 17777:17777/udp \
-e MAX_PLAYERS="32" \
-e VISIBLE="true" \
-e BATTLEYE="true" \
-e SCENARIO_ID="{ECC61978EDCC2B5A}Missions/23_Campaign.conf" \
-e DISABLE_THIRD_PERSON="false" \
-e MAX_FPS="120" \
-e AUTO_UPDATE="1" \
-v /opt/gameserver:/opt/gameserver \
-w /opt/gameserver \
ghcr.io/ptero-eggs/steamcmd:debian \
sed -i 's/"true"/true/g; s/"false"/false/g' config.json; ./ArmaReforgerServer -gproj ./addons/data/ArmaReforger.gproj -config ./config.json -profile ./profile -backendlog -nothrow -maxFPS 120GameCP automates every step above: Docker, SteamCMD, port forwarding, startup, and config. Install on your own PC and deploy a Arma Reforger server in under 5 minutes.
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