Left 4 Dead 2Left 4 Dead 2 Server Configuration Generator
Use the L4D2 server.cfg generator to create server.cfg for your Left 4 Dead 2 server: set the server name, password, GSLT, game mode, All-Talk and RCON in the form, or describe your server to an AI in Easy Mode. The live preview shows the completed file, which you can copy or download. Free, with no sign-up, directly in your browser.
Built by Florian Galz
Example result
Example: the generated server.cfg
You set the options using a form or AI Easy Mode, and the generator creates the finished server.cfg for Left 4 Dead 2 live. Below are the first lines of the default configuration; your file contains your values and all other settings.
Example · Default configuration
Output
// Left 4 Dead 2 — generated with the ZAP-Hosting Game Config Generator// zap-hosting.com/tools/l4d2/config-generator // Server basicshostname "ZAP Left 4 Dead 2"sv_password ""sv_setsteamaccount ""mp_gamemode "coop" // Communicationsv_alltalk 0 // Administration & securityrcon_password ""sv_cheats 0- +3 rowsYou can copy or download the complete file in the generator; the sample lines here only show the beginning.
Settings
What you can configure in Left 4 Dead 2 server.cfg
The generator creates your L4D2 server's server.cfg, not a client config such as autoexec.cfg. Its 10 settings are divided into four sections in the form; game modes and starting maps are explained separately here. The Cvar used in the file appears in parentheses.
Server basics
Server name (hostname, default “ZAP Left 4 Dead 2”), server password (sv_password; leave blank for a public server), GSLT token (sv_setsteamaccount), maximum player count (1–8, default 8), starting map and game mode (mp_gamemode). Player count and starting map are launch parameters (+maxplayers, +map), so they are not included in server.cfg.
Game modes (mp_gamemode)
A single dropdown with five values: coop for the campaign (default), realism for Coop with tougher rules, versus, survival and scavenge. Unlike CS2, there is no numeric game_type and game_mode pair; the mode is stored as text in mp_gamemode.
Starting maps
Choose from the first chapters of the five original Left 4 Dead 2 campaigns: c1m1_hotel (Dead Center, default), c2m1_highway (Dark Carnival), c3m1_plankcountry (Swamp Fever), c4m1_milltown_a (Hard Rain) and c5m1_waterfront (The Parish).
Communication
All-Talk (sv_alltalk, off by default): when enabled, Survivors and Infected can hear each other in voice chat, regardless of team.
Administration & security
RCON password (rcon_password; leave blank to disable RCON) and cheat commands (sv_cheats, off by default). Setting an RCON password grants full admin access to the server. Never enable sv_cheats on a public server.
Other
LAN mode (sv_lan, off by default) removes the server from Steam's public server list and is only useful for local testing.
The generator appends unrecognized lines from an imported server.cfg to the end of the file unchanged. It does not set up plugins such as SourceMod or additional Cvars such as sv_gametypes.
Guide
How to create server.cfg for your Left 4 Dead 2 server
From your first setting to a running server: how to put server.cfg on your Left 4 Dead 2 server.
- 1
Step 1
Open the generator or import a server.cfg
The generator starts with Left 4 Dead 2 defaults (server name “ZAP Left 4 Dead 2”, game mode coop, starting map c1m1_hotel, 8 players). You can see the completed server.cfg immediately in the live preview. If you already have a server.cfg, upload it through the import as a .cfg or .txt file of up to 2 MB, or paste its contents.
- 2
Step 2
Choose Easy Mode or the form
In Easy Mode, describe your server in your own words, for example, “public Versus server with GSLT”. The AI suggests suitable settings and explains each change; only changes you confirm are applied. In the form, you set each option yourself.
- 3
Step 3
Set server basics
Enter the server name (hostname), an optional server password and your GSLT token. Choose a maximum player count between 1 and 8, one of the five starting maps and a game mode (mp_gamemode).
- 4
Step 4
Set up communication and administration
Turn All-Talk (sv_alltalk) on or off and set an RCON password. Keep sv_cheats and LAN mode (sv_lan) off on a public server.
- 5
Step 5
Check and save server.cfg
Check server.cfg in the live preview. Then copy or download the file, or share a link without passwords.
- 6
Step 6
Upload and apply
Upload server.cfg to your server's left4dead2/cfg folder and restart the server, or run “exec server.cfg” in the console to apply the new settings. Set the player count and starting map through your server's launch parameters or server settings.
Setup
File location & usage
Two ways to get the config onto a server: upload it yourself or transfer it with one click through our panel.
The manual method
Upload yourself
- 1
Download file
Download the generated server.cfg using the button above.
- 2
Upload via file manager or FTP/SFTP
Place in
left4dead2/cfg/server.cfg(Linux) orleft4dead2\cfg\server.cfg(Windows). - 3
Apply changes
Restart your server or run “exec server.cfg” in the console.
The ZAP-Hosting way
Transfer instantly, no upload required
Rent a Left 4 Dead 2 server from us and transfer your settings directly from this page with one click.
- No FTP, no file manager
- Live in seconds
- Undo anytime
More tools
server.cfg generators for other Source games
Server Configuration Generator
Describe your server.cfg in your own words using the ZapX AI Agent or set each option manually — with a live preview, download, and direct push to your rented server.
Built by Florian Galz
Server Configuration Generator
Describe your server.cfg settings to the ZapX AI Agent in your own words, or set each option manually—with a live preview for your rented CS:GO server.
Built by Florian Galz
Server Configuration Generator
Describe your server.cfg settings to the ZapX AI Agent in your own words, or set each option manually—with a live preview for your rented CS:Source server.
Built by Florian Galz
Server Configuration Generator
Describe your server.cfg settings to the ZapX AI Agent in your own words, or set each option manually—with a live preview for your rented Team Fortress 2 server.
Built by Florian Galz
Server Configuration Generator
Describe your server.cfg settings to the ZapX AI Agent in your own words, or set each option manually—with a live preview for your rented No More Room in Hell server.
Built by Florian Galz
Server Configuration Generator
Describe your server.cfg settings to the ZapX AI Agent in your own words, or set each option manually—with a live preview for your rented Garry's Mod server.
Built by Florian Galz
FAQ
Frequently asked questions
File location, GSLT, game mode, launch parameters, import and security—briefly explained.
The server.cfg is in your server's left4dead2 game folder: left4dead2/cfg/server.cfg on Linux and left4dead2\cfg\server.cfg on Windows. Downloading from the generator does not transfer anything automatically. Upload the file yourself and restart the server, or run “exec server.cfg” in the console.
The generator is free to use without signing up: the form, Easy Mode, import, copying, downloading and sharing all work without an account. The server.cfg is generated directly in your browser. Only in Easy Mode are your description and current settings sent to the AI without passwords, so it can suggest changes.
Use the mp_gamemode Cvar, shown as a single dropdown in the generator: coop, realism, versus, survival or scavenge. Unlike CS2 and CS:GO, Left 4 Dead 2 does not use a numeric game_type and game_mode pair; the mode is stored directly as text in server.cfg.
Yes, for a public L4D2 server: the Game Server Login Token lets the server log in to Steam and is stored as sv_setsteamaccount in server.cfg. Create one for free at steamcommunity.com/dev/managegameservers using App ID 550. The token is masked like a password in the form.
Both are launch parameters (+maxplayers and +map), not Cvars in server.cfg. The generator therefore deliberately leaves them out of the file. In the form, choose 1 to 8 players (up to 8 across both teams in Versus, 4 in Coop and Survival) and one of the five starting maps. These are set when the server starts.
Yes. Import a .cfg or .txt file of up to 2 MB, or paste its contents. Recognized settings appear in the form; when exporting, the generator appends any lines it does not recognize to the end of the file unchanged.
Describe the server you want in your own words, for example, “public Versus server with GSLT and All-Talk”. The AI suggests suitable settings, explains each change individually and applies nothing until you confirm it. Passwords and the GSLT token are not sent to the AI.
Set a strong RCON password because it grants full admin access, and keep sv_cheats and LAN mode (sv_lan) off: sv_cheats bypasses the game rules, while sv_lan removes the server from Steam's public server list. The server password, RCON password and GSLT token are masked in the form and never stored in share links.
Any more questions?
Contact SupportGet your Left 4 Dead 2 server online today
Rent your Left 4 Dead 2 server now and transfer this config with one click.
No setup. No risk. Online in seconds.
