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Left 4 Dead 2: RCON

Discover how to securely manage and control your Left 4 Dead 2 game server remotely without joining the game → Learn more now

10 November 20262 min read0 Views0 helpful

Introduction

RCON (Remote Console) is a network protocol that allows you to control game servers remotely. It provides access to the server console without needing to interact directly with the server environment. This way, you can execute administrative commands, adjust configuration settings, or retrieve server status information.

In Left 4 Dead 2, RCON is used to run server-side commands such as managing players, changing gameplay settings, or fetching diagnostic outputs. The connection is password-protected and operates through a designated port accessible via compatible RCON clients.

A major advantage of RCON is that you can manage the server without being connected as a player in the game. Server admins can conveniently monitor and control Left 4 Dead 2 through external tools, command lines, or web dashboards — offering great flexibility and convenience for remote management.

RCON Commands

Once connected via RCON, you can execute various administrative and diagnostic commands on your Left 4 Dead 2 game server. Available commands depend on the game engine but typically include player management, status queries, and server control.

CommandDescription
rcon_password <password>Authenticates RCON access
statusShows server and player information
changelevel <mapname>Switches to the specified map
mp_timelimit <min>Sets the time limit per map
mp_roundtime <min>Sets the round duration
sv_cheats 0/1Enables/disables cheat commands (admin only)
kick <playername>Kicks a player from the server
banid <duration> <SteamID>Bans a player for a specified time
exec <file.cfg>Executes a configuration file
say <message>Sends a message to all players

FAQ

Frequently asked questions

Add the line rcon_password "your-password-here" in the server.cfg file (Configuration tab, raw text view).
Use the command-line tool rcon-cli (available on GitHub at gorcon/rcon-cli), connecting with the server IP, RCON port, and RCON password using: rcon-cli -a <IP>:<PORT> -p <PASSWORD> command.
Under More ports in the Server Details section on your game server’s overview page.

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