L4D2 server.cfg Builder
Fill in the form to generate a complete server.cfg for your Left 4 Dead 2 dedicated server. The preview updates live — copy or download when ready.
left4dead2/cfg/server.cfg on your server. It loads automatically on startup. Reload live with exec server.
Quick presets:
1. Server Identity hostname · password · region
Displayed in the server browser and lobby.
Blank = public server, anyone can join.
Reported to the Steam master server.
2. Game Settings mode · difficulty · lobby
Sets the core gameplay rules for the session.
Controls infected aggression and survivor damage.
3. Infected Settings common · horde · director
Max common infected spawned on the map at once. Default: 30.
Max uncommon variants (CEDA, mud men, clowns, etc.). Default: 2.
Number of infected spawned in a director-triggered horde. Default: 50.
4. Special Infected Caps per-type limits · tank HP
Maximum number of each special infected type that can be alive at once on the map.
Default varies by difficulty (8000 on Normal). Range: 1,000–15,000.
5. Network Rates rate · cmdrate · updaterate
Max bytes/sec the server sends to clients. Default: 80000.
Min bytes/sec floor. 0 = no floor. Default: 5000.
Max client command packets per second. Default: 100.
Min client command packets per second. Default: 10.
Max server state snapshots/sec sent to clients. Default: 100.
6. Logging log · sv_logfile
Generated server.cfg
Live preview// Left 4 Dead 2 server.cfg — generated by DustBowl.Games // https://dustbowl.games/tools/l4d2-server-config // ── Server Identity ────────────────────────────────────────── hostname "My L4D2 Server" sv_password "" // public server sv_lan 0 // internet-accessible sv_region 0 // World // ── Game Settings ──────────────────────────────────────────── mp_gamemode coop z_difficulty Normal sv_allow_lobby_connect_only 0 // anyone can join directly sv_cheats 0 // disabled // ── Infected Settings ──────────────────────────────────────── z_common_limit 30 // max common infected on map z_uncommon_limit 2 // max uncommon infected z_mega_mob_size 50 // horde size director_no_mobs 0 // mob hordes enabled director_no_specials 0 // special infected enabled // ── Special Infected Caps ──────────────────────────────────── z_boomer_limit 2 z_charger_limit 2 z_hunter_limit 2 z_jockey_limit 2 z_smoker_limit 2 z_spitter_limit 2 z_witch_limit 3 z_tank_health 8000 // tank HP // ── Network Rates ──────────────────────────────────────────── sv_maxrate 80000 sv_minrate 5000 sv_maxupdaterate 100 sv_mincmdrate 10 sv_maxcmdrate 100 // ── Logging ────────────────────────────────────────────────── log on sv_logfile 1 sv_log_onefile 0
Where to place this file:
left4dead2/cfg/server.cfg
Loaded automatically on startup. Reload live with exec server.
Active preset: coop
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