Assetto Corsa Dedicated Server: acServer, server_cfg.ini & CSP Guide
Data Verified: May 2026Complete Assetto Corsa dedicated server reference. Configure server_cfg.ini, entry_list.ini, weather, Custom Shaders Patch / Content Manager integration, and size hardware for stable 30-car grids.
Commands & configuration database
| Command | Default Value | Description | Action |
|---|---|---|---|
NAME | Assetto Corsa Server | Public server name. | |
PASSWORD | (empty) | Password required to join. | |
ADMIN_PASSWORD | (empty) | Used in chat as `/admin <pass>`. | |
UDP_PORT | 9600 | UDP gameplay port. | |
TCP_PORT | 9600 | TCP handshake port (same as UDP by convention). | |
HTTP_PORT | 8081 | HTTP port for Content Manager lobby & telemetry. | |
MAX_CLIENTS | 18 | Maximum concurrent drivers. | |
TRACK | ks_nordschleife | Track folder under `content/tracks/`. | |
CONFIG_TRACK | endurance | Track layout name. | |
REGISTER_TO_LOBBY | 1 | Publishes the server to the global lobby. |
Showing 10 of 10 configuration parameters.
| Command | Default Value | Description | Action |
|---|---|---|---|
/admin <pass> | N/A | Authenticates the caller as admin in chat. | |
/kick <name> | N/A | Kicks the named driver. | |
/ban <name> | N/A | Bans the named driver. | |
/next_session | N/A | Skips to the next configured session (practice/qual/race). | |
/restart_session | N/A | Restarts the current session. | |
/next_lap | N/A | In race: forces lap progression (admin only). |
Showing 6 of 6 admin console commands.
Recommended hosting providers
Vetted hosts with one-click Assetto Corsa installs. Links are affiliate placeholders and marked rel="sponsored".
Hardware specifications
Sizing guidance for self-hosting a Assetto Corsa dedicated server.
| Tier | Specification | Use case |
|---|---|---|
| Small (8-16 cars) | 2 GB RAM / 2-core 3.5 GHz+ CPU | Sprint races on small tracks. |
| Standard (20-24 cars) | 4 GB RAM / 2-core 4.0 GHz+ CPU / SSD | Mid-size leagues; physics is single-threaded. |
| Large Grid (28-32 cars) | 8 GB RAM / 4-core 4.5 GHz+ Dedicated Node / NVMe | Endurance with damage + CSP weather; clock speed dominates. |
Default file locations
Default installation paths for Assetto Corsa dedicated servers installed via SteamCMD.
Windows
C:\ACServer\cfg\Linux
/home/steam/acserver/cfg/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.
| Service | Protocol | Port |
|---|---|---|
| Game Port | UDP | 9600 |
| Query Port | UDP | 8081 |
| RCON / Telnet | TCP | 8081 (HTTP) |
Frequently asked questions
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