Killing Floor 2 Dedicated Server: PCServer-KFGame.ini & Webadmin Guide

Data Verified: May 2026

Complete Killing Floor 2 dedicated server reference. Configure PCServer-KFGame.ini, enable Webadmin, mutators, custom maps, Workshop sync, and size hardware for stable 6-12 player servers.

Default file locations

Default installation paths for Killing Floor 2 dedicated servers installed via SteamCMD.

Windows

C:\KF2Server\KFGame\Config\

Linux

/home/steam/kf2server/KFGame/Config/LinuxServer/

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.

Default ports for Killing Floor 2
ServiceProtocolPort
Game PortUDP7777
Query PortUDP27015
RCON / TelnetTCP8080 (Webadmin)

Quick start: launch your Killing Floor 2 server

Copy-paste these two commands to install and start a Killing Floor 2 dedicated server. Tested against SteamCMD on a fresh box.

Step 1, Install via SteamCMDSteam App ID 232130

steamcmd +force_install_dir /home/steam/kf2server +login anonymous +app_update 232130 validate +quit

Step 2, Launch the Killing Floor 2 server

cd /home/steam/kf2server && ./Binaries/Linux/KFGameSteamServer.bin.x86_64 KF-BioticsLab?Game=KFGameContent.KFGameInfo_Survival?Difficulty=2

Step 1, Install via SteamCMDSteam App ID 232130

steamcmd +force_install_dir "C:\kf2server" +login anonymous +app_update 232130 validate +quit

Step 2, Launch the Killing Floor 2 server

C:\kf2server\Binaries\Win64\KFServer.exe KF-BioticsLab?Game=KFGameContent.KFGameInfo_Survival?Difficulty=2

Frequently asked questions

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