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Left 4 Dead Server Hosting Guide

Overview

Left 4 Dead is a multiplayer game server that can be hosted on a VPS or dedicated server. This comprehensive guide covers everything you need to know about hosting a Left 4 Dead server for your community.

Quick Info

🔌 Network Ports

Required Ports

Port Protocol Purpose
27015 UDP Game/Query (can change with -port)
27015 TCP RCON
27020 UDP SourceTV (tv_port)
27005 UDP Client port (outbound/varies)
26900 UDP Steam (outbound, -sport) (Optional)
27031-27036 UDP Steam Remote Play / P2P (outbound) (Optional)
27036-27037 TCP Steam Remote Play (inbound where applicable) (Optional)

Firewall Configuration

Allow server ports through your firewall:

# UFW (Ubuntu/Debian)
sudo ufw allow [PORT]/tcp
sudo ufw allow [PORT]/udp
sudo ufw reload

# FirewallD (CentOS/RHEL)
sudo firewall-cmd --permanent --add-port=[PORT]/tcp
sudo firewall-cmd --permanent --add-port=[PORT]/udp
sudo firewall-cmd --reload

# Windows Firewall
netsh advfirewall firewall add rule name="Left 4 Dead Server" dir=in action=allow protocol=TCP localport=[PORT]
netsh advfirewall firewall add rule name="Left 4 Dead Server" dir=in action=allow protocol=UDP localport=[PORT]

⚠️ Port Security Notes

Installation & Setup

System Requirements

Required Dependencies

Installation Steps

Linux (Ubuntu/Debian)

# Update system packages
sudo apt update && sudo apt upgrade -y

# Create server directory
mkdir -p ~/gameserver
cd ~/gameserver

# Download server files (method varies by game)
# Check official documentation for download links

Starting the Server

./srcds_run -console -game left4dead2 -ip 0.0.0.0 -port 27015 +map c1m1_hotel +maxplayers 24 +exec server.cfg

Windows Server

Download the server files from the official game website or through Steam (if applicable). Extract to a dedicated folder and run the server executable.

Using SteamCMD - RECOMMENDED METHOD

This game can be installed via SteamCMD using App ID: 222840

Install SteamCMD (Ubuntu/Debian)

# Update package list
sudo apt update

# Enable 32-bit architecture
sudo dpkg --add-architecture i386
sudo apt update

# Install SteamCMD
sudo apt install -y lib32gcc-s1 steamcmd

Download Server Files

# Create directory for game server
mkdir -p ~/gameservers/left4dead

# Run SteamCMD and download
steamcmd +login anonymous \
         +force_install_dir ~/gameservers/left4dead \
         +app_update 222840 validate \
         +quit

# Server files are now in ~/gameservers/left4dead/
cd ~/gameservers/left4dead
ls -la

Windows Installation with SteamCMD

  1. Download SteamCMD from: https://steamcdn-a.akamaihd.net/client/installer/steamcmd.zip
  2. Extract to C:\steamcmd\
  3. Open Command Prompt and run:
cd C:\steamcmd
steamcmd.exe +login anonymous ^
             +force_install_dir C:\gameservers\left4dead ^
             +app_update 222840 validate ^
             +quit

Server Configuration

After installation, you'll need to configure your server. Here's where to find the configuration files and what settings you can change.

Essential Settings

Configuration Files

Important configuration files for this server: