Enhanced game documentation with comprehensive installation and configuration details

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<?php
/**
* Killing Floor Server Documentation
* Killing Floor Server Documentation - Comprehensive Guide
* General game server hosting information (not platform-specific)
*/
?>
<h1>📚 Killing Floor Server Guide</h1>
<h3 style="color: #94a3b8; margin-top: 8px;">Original Wave-Based Horror Survival - Comprehensive Setup</h3>
<div style="background: #1e3a5f; padding: 20px; border-radius: 8px; margin: 20px 0; border: 1px solid #3b82f6;">
<h3 style="color: #ffffff; margin-top: 0;">📋 Quick Info</h3>
<table style="width: 100%; color: #e5e7eb;">
<tr><td style="padding: 8px 0;"><strong style="color: #a5b4fc;">Engine:</strong></td><td>Unreal Engine 2.5 (Modified)</td></tr>
<tr><td style="padding: 8px 0;"><strong style="color: #a5b4fc;">Developer:</strong></td><td>Tripwire Interactive</td></tr>
<tr><td style="padding: 8px 0;"><strong style="color: #a5b4fc;">App ID:</strong></td><td>215350</td></tr>
<tr><td style="padding: 8px 0;"><strong style="color: #a5b4fc;">Game Port:</strong></td><td>7707 UDP (default)</td></tr>
<tr><td style="padding: 8px 0;"><strong style="color: #a5b4fc;">Query Port:</strong></td><td>7708 UDP (default)</td></tr>
<tr><td style="padding: 8px 0;"><strong style="color: #a5b4fc;">Web Admin:</strong></td><td>8075 TCP (default)</td></tr>
<tr><td style="padding: 8px 0;"><strong style="color: #a5b4fc;">Max Players:</strong></td><td>6 (standard), up to 32 with mods</td></tr>
<tr><td style="padding: 8px 0;"><strong style="color: #a5b4fc;">Game Modes:</strong></td><td>Story, Objective</td></tr>
<tr><td style="padding: 8px 0;"><strong style="color: #a5b4fc;">Perks:</strong></td><td>7 classes (Berserker, Commando, Support, Sharpshooter, etc.)</td></tr>
<tr><td style="padding: 8px 0;"><strong style="color: #a5b4fc;">Platform:</strong></td><td>Windows, Linux</td></tr>
</table>
<div style="background: #1e3a5f; padding: 20px; border-left: 4px solid #3b82f6; margin: 20px 0; border-radius: 4px;">
<h3 style="color: #ffffff; margin-top: 0;">📚 Quick Navigation</h3>
<div style="display: flex; flex-wrap: wrap; gap: 10px;">
<a href="#quick-info" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Quick Info</a>
<a href="#ports" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">🔌 Ports</a>
<a href="#installation" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Installation</a>
<a href="#configuration" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Configuration</a>
<a href="#parameters" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">⚙️ Startup Parameters</a>
<a href="#troubleshooting" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">🔧 Troubleshooting</a>
<a href="#performance" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Performance</a>
<a href="#security" style="background: #0f172a; padding: 8px 16px; border-radius: 4px; color: #a5b4fc; text-decoration: none;">Security</a>
</div>
</div>
<h3 style="margin-top: 30px;">Navigation</h3>
<ul style="line-height: 2; font-size: 1.05em;">
<li><a href="#overview">Overview</a></li>
<li><a href="#ports">🔌 Ports & Firewall</a></li>
<li><a href="#installation">Installation</a></li>
<li><a href="#configuration">⚙️ Configuration</a></li>
<li><a href="#webadmin">Web Admin Interface</a></li>
<li><a href="#gamemodes">Game Modes & Maps</a></li>
<li><a href="#perks">Perks & Difficulty</a></li>
<li><a href="#mods">Popular Mods & Mutators</a></li>
<li><a href="#startup">Startup Commands</a></li>
<li><a href="#troubleshooting">🔧 Troubleshooting</a></li>
<li><a href="#resources">Resources</a></li>
</ul>
<h2 id="overview">Overview</h2>
<p><strong>Killing Floor</strong> is the original co-op horror FPS that started the franchise. Based on the Unreal Tournament 2004 mod, up to 6 players fight waves of zombie-like "specimens" in various UK locations. The game combines strategic shopping between waves with intense combat and horrific enemy designs.</p>
<p>Originally a mod released in 2005, the standalone game launched in 2009 and built a massive following. Players select from 7 Perk classes, each with unique weapons and passive abilities that level up through gameplay. The final wave always features the terrifying Patriarch boss.</p>
<h3>Key Features</h3>
<ul>
<li><strong>7 Perk Classes:</strong> Berserker, Commando, Support Specialist, Sharpshooter, Medic, Demolitionist, Firebug</li>
<li><strong>Wave-Based Survival:</strong> 4, 7, or 10 waves with boss finale</li>
<li><strong>The Patriarch:</strong> Iconic final boss with multiple attack phases</li>
<li><strong>Trader System:</strong> Buy weapons and armor between waves</li>
<li><strong>Persistent Leveling:</strong> Perks level from 0-6 through gameplay achievements</li>
<li><strong>Difficulty Levels:</strong> Beginner, Normal, Hard, Suicidal, Hell on Earth</li>
<li><strong>Mod Support:</strong> Extensive mutator and custom map community</li>
<li><strong>British Horror Theme:</strong> Dark humor and UK locations</li>
</ul>
<h2 id="ports">🔌 Ports & Firewall Configuration</h2>
<h3>Required Ports</h3>
<table style="width: 100%; border-collapse: collapse; margin: 20px 0; background: #0f172a; border-radius: 8px; overflow: hidden;">
<thead>
<tr style="background: #1e293b;">
<th style="padding: 12px; text-align: left; color: #ffffff; border-bottom: 2px solid #3b82f6;">Port</th>
<th style="padding: 12px; text-align: left; color: #ffffff; border-bottom: 2px solid #3b82f6;">Protocol</th>
<th style="padding: 12px; text-align: left; color: #ffffff; border-bottom: 2px solid #3b82f6;">Purpose</th>
<th style="padding: 12px; text-align: left; color: #ffffff; border-bottom: 2px solid #3b82f6;">Required</th>
</tr>
</thead>
<tbody style="color: #e5e7eb;">
<tr style="background: #1e3a5f;">
<td style="padding: 12px; font-family: monospace; color: #a5b4fc;">7707</td>
<td style="padding: 12px;">
<span style="background: #22c55e; color: #ffffff; padding: 4px 8px; border-radius: 4px; font-size: 0.85em; font-weight: bold;">UDP</span>
</td>
<td style="padding: 12px;">Game server (main connection)</td>
<td style="padding: 12px; color: #22c55e; font-weight: bold;"> Yes</td>
</tr>
<tr style="background: #152642;">
<td style="padding: 12px; font-family: monospace; color: #a5b4fc;">7708</td>
<td style="padding: 12px;">
<span style="background: #22c55e; color: #ffffff; padding: 4px 8px; border-radius: 4px; font-size: 0.85em; font-weight: bold;">UDP</span>
</td>
<td style="padding: 12px;">Query port (server browser)</td>
<td style="padding: 12px; color: #22c55e; font-weight: bold;"> Yes</td>
</tr>
<tr style="background: #1e3a5f;">
<td style="padding: 12px; font-family: monospace; color: #a5b4fc;">8075</td>
<td style="padding: 12px;">
<span style="background: #3b82f6; color: #ffffff; padding: 4px 8px; border-radius: 4px; font-size: 0.85em; font-weight: bold;">TCP</span>
</td>
<td style="padding: 12px;">Web Admin interface</td>
<td style="padding: 12px; color: #94a3b8;">Optional (Recommended)</td>
</tr>
<tr style="background: #152642;">
<td style="padding: 12px; font-family: monospace; color: #a5b4fc;">28852</td>
<td style="padding: 12px;">
<span style="background: #22c55e; color: #ffffff; padding: 4px 8px; border-radius: 4px; font-size: 0.85em; font-weight: bold;">UDP</span>
</td>
<td style="padding: 12px;">Steam master server port</td>
<td style="padding: 12px; color: #94a3b8;">Optional</td>
</tr>
</tbody>
</table>
<div style="background: #1e3a5f; padding: 15px; border-left: 4px solid #3b82f6; margin: 20px 0; border-radius: 4px;">
<p style="color: #e5e7eb; margin: 0;"><strong>💡 Note:</strong> Port numbers are configurable. Defaults shown above. Multiple servers require unique port combinations (e.g., Game: 7707, 7717; Query: 7708, 7718).</p>
</div>
<h3>Firewall Configuration Examples</h3>
<h4>Ubuntu/Debian (UFW)</h4>
<pre><code># Allow KF game port
sudo ufw allow 7707/udp
# Allow query port (server browser)
sudo ufw allow 7708/udp
# Allow Web Admin (if using)
sudo ufw allow 8075/tcp
# Steam master server port (optional)
sudo ufw allow 28852/udp
# Enable firewall
sudo ufw enable
sudo ufw status
</code></pre>
<h4>CentOS/RHEL (FirewallD)</h4>
<pre><code># Add KF ports
sudo firewall-cmd --permanent --add-port=7707/udp
sudo firewall-cmd --permanent --add-port=7708/udp
sudo firewall-cmd --permanent --add-port=8075/tcp
sudo firewall-cmd --permanent --add-port=28852/udp
sudo firewall-cmd --reload
sudo firewall-cmd --list-ports
</code></pre>
<h4>Windows Firewall (PowerShell)</h4>
<pre><code># Game server
New-NetFirewallRule -DisplayName "KF Game Port" -Direction Inbound -LocalPort 7707 -Protocol UDP -Action Allow
# Query port
New-NetFirewallRule -DisplayName "KF Query Port" -Direction Inbound -LocalPort 7708 -Protocol UDP -Action Allow
# Web Admin
New-NetFirewallRule -DisplayName "KF Web Admin" -Direction Inbound -LocalPort 8075 -Protocol TCP -Action Allow
</code></pre>
<h4>iptables (Advanced)</h4>
<pre><code># Allow KF ports
iptables -A INPUT -p udp --dport 7707 -j ACCEPT
iptables -A INPUT -p udp --dport 7708 -j ACCEPT
iptables -A INPUT -p tcp --dport 8075 -j ACCEPT
iptables -A INPUT -p udp --dport 28852 -j ACCEPT
# Save rules (Ubuntu/Debian)
netfilter-persistent save
# Save rules (CentOS/RHEL)
service iptables save
</code></pre>
<h2 id="installation">Installation</h2>
<h3>Prerequisites</h3>
<ul>
<li><strong>SteamCMD</strong> installed (<a href="https://developer.valvesoftware.com/wiki/SteamCMD" target="_blank">Installation Guide</a>)</li>
<li>Disk space: ~5 GB for full installation</li>
<li>RAM: 2GB minimum, 4GB recommended for 6 players</li>
<li>Open firewall ports (7707, 7708 UDP, 8075 TCP)</li>
<li>Linux: 32-bit libraries required (older Unreal Engine 2 game)</li>
</ul>
<h3>Linux Installation</h3>
<pre><code># Create server directory
mkdir -p ~/kf_server
cd ~/kf_server
# Install required 32-bit libraries (Ubuntu/Debian)
sudo dpkg --add-architecture i386
sudo apt-get update
sudo apt-get install lib32gcc1 libstdc++6:i386
# Download server files with SteamCMD
steamcmd +force_install_dir ~/kf_server +login anonymous +app_update 215350 validate +quit
# Note: App ID 215350 is for Killing Floor Dedicated Server
# Download size is approximately 4-5 GB
</code></pre>
<h3>Windows Installation</h3>
<pre><code># Download SteamCMD for Windows
# Extract to C:\steamcmd\
# Create server directory
mkdir C:\kf_server
# Run SteamCMD
C:\steamcmd\steamcmd.exe +force_install_dir C:\kf_server +login anonymous +app_update 215350 validate +quit
</code></pre>
<h2 id="configuration">⚙️ Configuration</h2>
<h3>Main Configuration Files</h3>
<p>KF server configuration is in <code>System/</code> directory:</p>
<ul>
<li><strong>KillingFloor.ini</strong> - Main server settings (game mode, difficulty, maps)</li>
<li><strong>Default.ini</strong> - Engine and network settings</li>
<li><strong>User.ini</strong> - Client-side settings (ignore for dedicated server)</li>
</ul>
<h3>KillingFloor.ini (Essential Settings)</h3>
<p>Edit <code>System/KillingFloor.ini</code>:</p>
<pre><code>[Engine.GameReplicationInfo]
ServerName=My Killing Floor Server
ShortName=KF Server
Region=0 ; 0=US East, 1=US West, 2=Europe, etc.
MessageOfTheDay=Welcome to our Killing Floor server!
[IpDrv.TcpNetDriver]
AllowDownloads=True
ConnectionTimeout=60.0
InitialConnectTimeout=120.0
AckTimeout=1.0
KeepAliveTime=0.2
MaxClientRate=20000
MaxInternetClientRate=10000
NetServerMaxTickRate=30
[Engine.GameEngine]
EnableDevTools=False
bStartWithMatineeCapture=False
[KFMod.KFGameType]
bChangeLevels=False
bUsePreStartTimer=True
PreStartTime=30
bKickVoteEnabled=True
KickVotePercentage=0.66
bDisableTeamCollision=True
StartingCash=250
MinRespawnCash=250
; Game Length (number of waves)
KFGameLength=2 ; 0=Short (4 waves), 1=Medium (7 waves), 2=Long (10 waves)
; Difficulty
GameDifficulty=2.0 ; 1.0=Beginner, 2.0=Normal, 4.0=Hard, 5.0=Suicidal, 7.0=Hell on Earth
; Enable/disable monsters
bEnableStaticSpecimens=False ; Static (non-moving) specimens
[Engine.AccessControl]
AdminPassword=YourAdminPassword
GamePassword= ; Leave empty for public server
[IpDrv.MasterServerUplink]
DoUplink=True
UplinkToGamespy=True
ServerBehindNAT=False ; Set to True if server is behind NAT/router
[WebAdmin.WebAdmin]
bEnabled=True
ListenPort=8075
</code></pre>
<h3>Difficulty Levels</h3>
<table style="width: 100%; border-collapse: collapse; margin: 20px 0;">
<thead>
<tr style="background: #0f172a;">
<th style="padding: 12px; text-align: left; color: #ffffff;">Difficulty</th>
<th style="padding: 12px; text-align: left; color: #ffffff;">Value</th>
<th style="padding: 12px; text-align: left; color: #ffffff;">Specimen Health</th>
<th style="padding: 12px; text-align: left; color: #ffffff;">Description</th>
</tr>
</thead>
<tbody style="color: #e5e7eb;">
<tr style="background: #1e3a5f;">
<td style="padding: 12px;"><strong>Beginner</strong></td>
<td style="padding: 12px;"><code>1.0</code></td>
<td style="padding: 12px;">50%</td>
<td style="padding: 12px;">New players learning the game</td>
</tr>
<tr style="background: #152642;">
<td style="padding: 12px;"><strong>Normal</strong></td>
<td style="padding: 12px;"><code>2.0</code></td>
<td style="padding: 12px;">100%</td>
<td style="padding: 12px;">Standard difficulty</td>
</tr>
<tr style="background: #1e3a5f;">
<td style="padding: 12px;"><strong>Hard</strong></td>
<td style="padding: 12px;"><code>4.0</code></td>
<td style="padding: 12px;">150%</td>
<td style="padding: 12px;">Challenging gameplay</td>
</tr>
<tr style="background: #152642;">
<td style="padding: 12px;"><strong>Suicidal</strong></td>
<td style="padding: 12px;"><code>5.0</code></td>
<td style="padding: 12px;">200%</td>
<td style="padding: 12px;">Very difficult, experienced teams</td>
</tr>
<tr style="background: #1e3a5f;">
<td style="padding: 12px;"><strong>Hell on Earth</strong></td>
<td style="padding: 12px;"><code>7.0</code></td>
<td style="padding: 12px;">250%</td>
<td style="padding: 12px;">Extreme challenge, elite players</td>
</tr>
</tbody>
</table>
<h2 id="webadmin">Web Admin Interface</h2>
<h3>Enabling Web Admin</h3>
<p>Edit <code>System/KillingFloor.ini</code>:</p>
<pre><code>[WebAdmin.WebAdmin]
bEnabled=True
ListenPort=8075
</code></pre>
<h3>Accessing Web Admin</h3>
<p>Open browser to: <code>http://your-server-ip:8075</code></p>
<p>Default login: <strong>Admin</strong> with the password set in <code>AdminPassword</code> in KillingFloor.ini</p>
<h4>Web Admin Features</h4>
<ul>
<li><strong>Current Game:</strong> View players, kick/ban, change map</li>
<li><strong>Settings:</strong> Change difficulty, game length, server name</li>
<li><strong>Chat Log:</strong> Monitor in-game chat</li>
<li><strong>Access Policy:</strong> Manage bans and IP restrictions</li>
<li><strong>Console:</strong> Execute server commands</li>
</ul>
<h2 id="gamemodes">Game Modes & Maps</h2>
<h3>Game Modes</h3>
<table style="width: 100%; border-collapse: collapse; margin: 20px 0;">
<thead>
<tr style="background: #0f172a;">
<th style="padding: 12px; text-align: left; color: #ffffff;">Mode</th>
<th style="padding: 12px; text-align: left; color: #ffffff;">Description</th>
<th style="padding: 12px; text-align: left; color: #ffffff;">Waves</th>
</tr>
</thead>
<tbody style="color: #e5e7eb;">
<tr style="background: #1e3a5f;">
<td style="padding: 12px;"><strong>Story Mode</strong></td>
<td style="padding: 12px;">Standard wave-based survival with Patriarch finale</td>
<td style="padding: 12px;">4, 7, or 10 + Boss</td>
</tr>
<tr style="background: #152642;">
<td style="padding: 12px;"><strong>Objective Mode</strong></td>
<td style="padding: 12px;">Complete map-specific objectives while surviving waves</td>
<td style="padding: 12px;">Varies by map</td>
</tr>
</tbody>
</table>
<h3>Official Maps (Selection)</h3>
<ul>
<li><strong>KF-BioticsLab</strong> - Horzine research facility (original)</li>
<li><strong>KF-Farm</strong> - Creepy countryside farm</li>
<li><strong>KF-Manor</strong> - Gothic mansion</li>
<li><strong>KF-WestLondon</strong> - London streets and Underground</li>
<li><strong>KF-Offices</strong> - Office building</li>
<li><strong>KF-Hospital</strong> - Abandoned hospital</li>
<li><strong>KF-Wyre</strong> - Coastal town</li>
<li><strong>KF-Bedlam</strong> - Asylum (part of Twisted Christmas)</li>
</ul>
<h3>Map Rotation Configuration</h3>
<p>Edit <code>System/KillingFloor.ini</code>:</p>
<pre><code>[KFMod.KFGameType]
Maps=KF-BioticsLab
Maps=KF-Farm
Maps=KF-Manor
Maps=KF-WestLondon
Maps=KF-Offices
; Enable map voting
bUseMapVote=True
MapVotePercentage=0.50
</code></pre>
<h2 id="perks">Perks & Classes</h2>
<h3>The 7 Perks</h3>
<table style="width: 100%; border-collapse: collapse; margin: 20px 0;">
<thead>
<tr style="background: #0f172a;">
<th style="padding: 12px; text-align: left; color: #ffffff;">Perk</th>
<th style="padding: 12px; text-align: left; color: #ffffff;">Role</th>
<th style="padding: 12px; text-align: left; color: #ffffff;">Primary Weapons</th>
<th style="padding: 12px; text-align: left; color: #ffffff;">Level Cap</th>
</tr>
</thead>
<tbody style="color: #e5e7eb;">
<tr style="background: #1e3a5f;">
<td style="padding: 12px;"><strong>Berserker</strong></td>
<td style="padding: 12px;">Tank/Melee DPS</td>
<td style="padding: 12px;">Katana, Claymore, Fire Axe</td>
<td style="padding: 12px;">6</td>
</tr>
<tr style="background: #152642;">
<td style="padding: 12px;"><strong>Commando</strong></td>
<td style="padding: 12px;">Trash Cleaner</td>
<td style="padding: 12px;">SCAR, Bullpup, AK-47</td>
<td style="padding: 12px;">6</td>
</tr>
<tr style="background: #1e3a5f;">
<td style="padding: 12px;"><strong>Support Specialist</strong></td>
<td style="padding: 12px;">Shotgun Expert</td>
<td style="padding: 12px;">AA12, Hunting Shotgun</td>
<td style="padding: 12px;">6</td>
</tr>
<tr style="background: #152642;">
<td style="padding: 12px;"><strong>Sharpshooter</strong></td>
<td style="padding: 12px;">Precision Sniper</td>
<td style="padding: 12px;">Crossbow, M14 EBR, Lever Action</td>
<td style="padding: 12px;">6</td>
</tr>
<tr style="background: #1e3a5f;">
<td style="padding: 12px;"><strong>Medic</strong></td>
<td style="padding: 12px;">Healer/Support</td>
<td style="padding: 12px;">MP7M, MP5M</td>
<td style="padding: 12px;">6</td>
</tr>
<tr style="background: #152642;">
<td style="padding: 12px;"><strong>Demolitionist</strong></td>
<td style="padding: 12px;">Explosive Specialist</td>
<td style="padding: 12px;">M79, M32, LAW, Pipe Bombs</td>
<td style="padding: 12px;">6</td>
</tr>
<tr style="background: #1e3a5f;">
<td style="padding: 12px;"><strong>Firebug</strong></td>
<td style="padding: 12px;">Area Denial/DoT</td>
<td style="padding: 12px;">Flamethrower, MAC-10</td>
<td style="padding: 12px;">6</td>
</tr>
</tbody>
</table>
<h3>Perk Leveling</h3>
<p>Perks level from 0 to 6 based on completing requirements:</p>
<ul>
<li><strong>Level 0:</strong> Starting bonuses (small damage/discount)</li>
<li><strong>Level 6:</strong> Maximum bonuses (significant damage, discount, special abilities)</li>
<li>Leveling requires kills with perk weapons, healing (Medic), welding (Support), etc.</li>
<li>Progress persists across servers using Steam ID</li>
</ul>
<h2 id="mods">Popular Mods & Mutators</h2>
<h3>Installing Mutators</h3>
<p>Place mutator files in <code>System/</code> directory, then add to <code>KillingFloor.ini</code>:</p>
<pre><code>[Engine.GameEngine]
ServerActors=MyMutator.MyMutatorClass
ServerPackages=MyMutator
</code></pre>
<h3>Popular Mutators</h3>
<ul>
<li><strong>Zed Time Extension:</strong> Extends slow-motion "Zed Time" duration</li>
<li><strong>Golden Weapons:</strong> Adds powerful golden variants of standard weapons</li>
<li><strong>KF Classic Characters:</strong> Original character models from the mod</li>
<li><strong>Siren Scream Multiplier:</strong> Modifies Siren difficulty</li>
<li><strong>Server Perks:</strong> Custom perk systems with additional bonuses</li>
<li><strong>Custom Trader Inventory:</strong> Modified weapon shops</li>
<li><strong>Faked Players:</strong> Adjusts difficulty scaling for smaller teams</li>
</ul>
<h3>WhiteList Mode (Custom Content)</h3>
<p>Allow custom maps and mutators:</p>
<pre><code>[IpDrv.TcpNetDriver]
AllowDownloads=True
[Engine.GameEngine]
CacheSizeMegs=32
</code></pre>
<h2 id="startup">Startup Commands</h2>
<h3>Linux</h3>
<pre><code>#!/bin/bash
# start_kf.sh
cd ~/kf_server/System
./ucc-bin server KF-BioticsLab.rom?game=KFMod.KFGameType?VACSecured=true \
-nohomedir \
-ini=KillingFloor.ini \
-port=7707 \
-queryport=7708
</code></pre>
<h3>Windows</h3>
<pre><code>@echo off
REM start_kf.bat
cd C:\kf_server\System
KillingFloor.exe server KF-BioticsLab.rom?game=KFMod.KFGameType?VACSecured=true ^
-ini=KillingFloor.ini ^
-port=7707 ^
-queryport=7708
</code></pre>
<h3>Startup Parameters</h3>
<ul>
<li><code>server MapName.rom</code> - Start with specific map</li>
<li><code>?game=KFMod.KFGameType</code> - Specify game mode</li>
<li><code>?VACSecured=true</code> - Enable VAC anti-cheat</li>
<li><code>-port=7707</code> - Game port</li>
<li><code>-queryport=7708</code> - Server browser port</li>
<li><code>-nohomedir</code> - (Linux) Don't use home directory for configs</li>
<li><code>-ini=KillingFloor.ini</code> - Specify config file</li>
</ul>
<h2 id="troubleshooting">🔧 Troubleshooting</h2>
<h3>Server Not in Browser</h3>
<pre><code># Check ports are open
netstat -an | grep 7707
netstat -an | grep 7708
# Verify UplinkToGamespy in KillingFloor.ini
[IpDrv.MasterServerUplink]
DoUplink=True
UplinkToGamespy=True
# Wait 5-10 minutes for Steam master server registration
</code></pre>
<h3>Web Admin Won't Load</h3>
<pre><code># Verify bEnabled in KillingFloor.ini
[WebAdmin.WebAdmin]
bEnabled=True
ListenPort=8075
# Check firewall allows TCP 8075
# Try: http://127.0.0.1:8075 locally first
</code></pre>
<h3>Performance Issues</h3>
<ul>
<li>Reduce <code>MaxPlayers</code> in KillingFloor.ini</li>
<li>Lower <code>NetServerMaxTickRate=20</code></li>
<li>Disable complex mutators</li>
<li>Use <code>-benchmark</code> flag to test server performance</li>
</ul>
<h3>Custom Maps Not Downloading</h3>
<pre><code># Enable downloads in KillingFloor.ini
[IpDrv.TcpNetDriver]
AllowDownloads=True
ConnectionTimeout=60.0
# Set up redirect (FastDL)
DownloadManagers=IpDrv.HTTPDownload
[IpDrv.HTTPDownload]
RedirectToURL=http://yourdomain.com/kf/
</code></pre>
<h3>Perk Progress Not Saving</h3>
<ul>
<li>Ensure server connects to Steam (<code>VACSecured=true</code>)</li>
<li>Players must be logged into Steam</li>
<li>Check <code>System/KFStatsAndAchievements.ini</code> for errors</li>
<li>Perk data stored server-side via Steam ID</li>
</ul>
<div style="background: #78350f; padding: 20px; border-left: 4px solid #f59e0b; margin: 20px 0; border-radius: 4px;">
<h3 style="color: #ffffff; margin-top: 0;"><i class="fas fa-lightbulb" style="color: #fbbf24; margin-right: 8px;"></i>Pro Tips</h3>
<ul style="color: #fef3c7; line-height: 1.8;">
<li><strong>Web Admin Essential:</strong> Much easier than console commands</li>
<li><strong>Balanced Perks:</strong> Encourage teams to use diverse perk combinations</li>
<li><strong>Medic Critical:</strong> At least one Medic greatly improves survival rates</li>
<li><strong>Classic Maps:</strong> BioticsLab, Farm, and WestLondon are community favorites</li>
<li><strong>Suicidal+ Only:</strong> Most active players prefer Suicidal and Hell on Earth</li>
<li><strong>Mutators:</strong> Use sparingly - too many can cause instability</li>
<li><strong>VAC Secured:</strong> Always enable for legitimate perk progression</li>
<li><strong>Custom Content:</strong> Active custom map community, but test before adding to rotation</li>
<h1>Killing Floor Server Hosting Guide</h1>
<h2>Overview</h2>
<p>Killing Floor 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 Killing Floor server for your community.</p>
<h2 id="quick-info">Quick Info</h2>
<div style="background: #1e3a5f; padding: 20px; border-left: 4px solid #3b82f6; margin: 20px 0; border-radius: 4px;">
<ul style="color: #e5e7eb; line-height: 1.8; margin: 0;">
<li><strong style="color: #ffffff;">Default Port:</strong> <code style="background: #0f172a; padding: 2px 6px; border-radius: 3px; color: #a5b4fc;">Varies (see configuration)</code></li>
<li><strong style="color: #ffffff;">Protocol:</strong> TCP/UDP</li>
<li><strong style="color: #ffffff;">Minimum RAM:</strong> 1GB</li>
<li><strong style="color: #ffffff;">Engine:</strong> Various</li>
<li><strong style="color: #ffffff;">Steam App ID:</strong> <code style="background: #0f172a; padding: 2px 6px; border-radius: 3px; color: #a5b4fc;">215350</code></li>
<li><strong style="color: #ffffff;">Recommended OS:</strong> Linux (Ubuntu/Debian) or Windows Server</li>
<li><strong style="color: #ffffff;">Configuration Files:</strong><ul style="margin-top: 8px;">
<li><code style="background: #0f172a; padding: 2px 6px; border-radius: 3px; color: #a5b4fc;">system/server.ini</code> - Server settings</li>
</ul></li>
</ul>
</div>
<h2 id="resources">Resources</h2>
<h2 id="ports">🔌 Network Ports</h2>
<div style="background: #1e3a5f; padding: 20px; border-left: 4px solid #3b82f6; margin: 20px 0; border-radius: 4px;">
<h3 style="color: #ffffff; margin-top: 0;">Required Ports</h3>
<p style="color: #e5e7eb;">The Killing Floor server typically uses a configurable port. Check your server configuration files for the specific port settings.</p>
<h3 style="color: #ffffff; margin-top: 20px;">Firewall Configuration</h3>
<p style="color: #e5e7eb;">Allow server ports through your firewall:</p>
<pre><code style="color: #a5b4fc;"># 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="Killing Floor Server" dir=in action=allow protocol=TCP localport=[PORT]
netsh advfirewall firewall add rule name="Killing Floor Server" dir=in action=allow protocol=UDP localport=[PORT]
</code></pre>
<h3 style="color: #ffffff; margin-top: 20px;">⚠️ Port Security Notes</h3>
<ul style="color: #fef3c7; line-height: 1.8;">
<li>Only open ports that are necessary for the game server to function</li>
<li>Consider using non-standard ports to reduce automated attacks</li>
<li>If using cloud hosting, configure security groups properly</li>
<li>Monitor connection attempts and unusual traffic patterns</li>
</ul>
</div>
<h2 id="installation">Installation & Setup</h2>
<h3>System Requirements</h3>
<ul>
<li><a href="https://wiki.killingfloor.com/index.php?title=Main_Page" target="_blank">Killing Floor Wiki</a></li>
<li><a href="https://forums.tripwireinteractive.com/index.php?forums/killingfloor.3/" target="_blank">Tripwire Interactive Official Forums</a></li>
<li><a href="https://steamcommunity.com/app/1250/discussions/" target="_blank">Steam Community Discussions</a></li>
<li><a href="https://github.com/InsultingPros/KFStatsX" target="_blank">KFStatsX - Server Statistics</a></li>
<li><a href="http://kf-board.com/" target="_blank">KF-Board - Custom Content Repository</a></li>
</ul>
<li><strong>OS:</strong> Linux (Ubuntu 20.04+ or Debian 11+ recommended) or Windows Server 2019+</li>
<li><strong>CPU:</strong> 2+ cores recommended (single-threaded performance important for most game servers)</li>
<li><strong>RAM:</strong> 1GB minimum (more for larger player counts)</li>
<li><strong>Storage:</strong> 5GB+ for server files (SSD recommended for better performance)</li>
<li><strong>Network:</strong> Stable internet connection with low latency</li>
</ul>
<h3>Installation Steps</h3>
<h4>Linux (Ubuntu/Debian)</h4>
<pre><code># 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
</code></pre>
<h4>Windows Server</h4>
<p>Download the server files from the official game website or through Steam (if applicable). Extract to a dedicated folder and run the server executable.</p>
<h3>Using SteamCMD - RECOMMENDED METHOD</h3>
<p><strong>This game can be installed via SteamCMD using App ID: 215350</strong></p>
<h4>Install SteamCMD (Ubuntu/Debian)</h4>
<pre><code># 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
</code></pre>
<h4>Download Server Files</h4>
<pre><code># Create directory for game server
mkdir -p ~/gameservers/killingfloor
# Run SteamCMD and download
steamcmd +login anonymous \
+force_install_dir ~/gameservers/killingfloor \
+app_update 215350 validate \
+quit
# Server files are now in ~/gameservers/killingfloor/
cd ~/gameservers/killingfloor
ls -la
</code></pre>
<h4>Windows Installation with SteamCMD</h4>
<ol>
<li>Download SteamCMD from: <a href="https://steamcdn-a.akamaihd.net/client/installer/steamcmd.zip" target="_blank">https://steamcdn-a.akamaihd.net/client/installer/steamcmd.zip</a></li>
<li>Extract to <code>C:\steamcmd\</code></li>
<li>Open Command Prompt and run:</li>
</ol>
<pre><code>cd C:\steamcmd
steamcmd.exe +login anonymous ^
+force_install_dir C:\gameservers\killingfloor ^
+app_update 215350 validate ^
+quit
</code></pre>
<h2 id="configuration">Server Configuration</h2>
<p>After installation, you'll need to configure your server. Here's where to find the configuration files and what settings you can change.</p>
<h3>Essential Settings</h3>
<ul>
<li><strong>Server Name:</strong> Set a descriptive name for your server</li>
<li><strong>Max Players:</strong> Configure based on your server's resources</li>
<li><strong>Password:</strong> Optional password protection for private servers</li>
<li><strong>Admin/RCON Password:</strong> Set a strong password for remote administration</li>
<li><strong>Game Mode:</strong> Configure game-specific modes and settings</li>
</ul>
<h3>Configuration Files</h3>
<p>Important configuration files for this server:</p>
<ul>
<li><strong><code>system/server.ini</code></strong> - Server settings</li>
</ul>
<h3>Server Commands</h3>
<p>Common administrative commands (access via console or RCON):</p>
<pre><code># Kick player
kick [player_name]
# Ban player
ban [player_name]
# Change map/level (syntax varies by game)
changelevel [map_name]
# Set admin password (if supported)
setadminpassword [password]
</code></pre>
<h2 id="parameters">⚙️ Startup Parameters</h2>
<h3>Basic Startup</h3>
<pre><code># Generic startup command structure
./server_executable [parameters]
</code></pre>
<h3>Common Parameters</h3>
<ul>
<li><code>-port [number]</code> - Set the server port</li>
<li><code>-maxplayers [number]</code> - Maximum player slots</li>
<li><code>-map [name]</code> - Starting map/level</li>
<li><code>-console</code> - Enable console output</li>
<li><code>-nographics</code> - Run without graphics (headless mode)</li>
</ul>
<h3>Creating a Start Script</h3>
<p><strong>Linux (start.sh):</strong></p>
<pre><code>#!/bin/bash
cd /path/to/server
./server_executable [parameters] 2>&1 | tee server.log
</code></pre>
<pre><code>chmod +x start.sh
./start.sh
</code></pre>
<p><strong>Windows (start.bat):</strong></p>
<pre><code>@echo off
cd /d "%~dp0"
server_executable.exe [parameters]
pause
</code></pre>
<h3>Running as a Service</h3>
<p><strong>Linux (systemd):</strong></p>
<pre><code># Create service file: /etc/systemd/system/gameserver.service
[Unit]
Description=Killing Floor Server
After=network.target
[Service]
Type=simple
User=gameserver
WorkingDirectory=/home/gameserver/server
ExecStart=/home/gameserver/server/start.sh
Restart=on-failure
RestartSec=10
[Install]
WantedBy=multi-user.target
</code></pre>
<pre><code># Enable and start service
sudo systemctl daemon-reload
sudo systemctl enable gameserver
sudo systemctl start gameserver
sudo systemctl status gameserver
</code></pre>
<h2 id="troubleshooting">🔧 Troubleshooting</h2>
<h3>Server Won't Start</h3>
<h4>Check Server Logs</h4>
<pre><code># View recent log entries
tail -f server.log
# Or check system logs
journalctl -u gameserver -f
</code></pre>
<h4>Port Already in Use</h4>
<pre><code># Find what's using the port
sudo lsof -i :[PORT]
sudo netstat -tulpn | grep [PORT]
# Kill the process or change server port
</code></pre>
<h4>Missing Dependencies</h4>
<p>Ensure all required dependencies are installed. Check the error messages for missing libraries or packages.</p>
<h3>Connection Issues</h3>
<h4>Can't Connect to Server</h4>
<ol>
<li><strong>Verify server is running:</strong> <code>ps aux | grep server</code></li>
<li><strong>Check port is listening:</strong> <code>netstat -an | grep [PORT]</code></li>
<li><strong>Verify firewall rules</strong> (see Ports section above)</li>
<li><strong>Check server IP:</strong> Use external IP, not localhost</li>
<li><strong>Router/NAT:</strong> Ensure port forwarding is configured</li>
</ol>
<h4>High Latency/Lag</h4>
<ul>
<li>Check server resource usage (CPU, RAM, disk I/O)</li>
<li>Verify network bandwidth is adequate</li>
<li>Consider server location relative to players</li>
<li>Check for background processes consuming resources</li>
</ul>
<h3>Performance Issues</h3>
<h4>Server Lag</h4>
<ol>
<li><strong>Monitor resources:</strong> Use <code>htop</code> or <code>top</code></li>
<li><strong>Check disk I/O:</strong> Use <code>iotop</code></li>
<li><strong>Review server logs</strong> for errors or warnings</li>
<li><strong>Reduce player count</strong> or increase server resources</li>
<li><strong>Optimize configuration</strong> based on server capacity</li>
</ol>
<h4>Memory Leaks</h4>
<pre><code># Monitor memory usage
free -h
top -p $(pgrep -f server)
# Restart server regularly via cron if needed
0 4 * * * /home/gameserver/restart.sh
</code></pre>
<h2 id="performance">Performance Optimization</h2>
<h3>Server Tuning</h3>
<ul>
<li><strong>CPU:</strong> Ensure adequate CPU allocation; most game servers are single-threaded</li>
<li><strong>RAM:</strong> Allocate sufficient memory; monitor usage and adjust as needed</li>
<li><strong>Disk:</strong> Use SSD storage for better I/O performance</li>
<li><strong>Network:</strong> Ensure stable, low-latency connection</li>
</ul>
<h3>Operating System Optimization</h3>
<pre><code># Increase file descriptor limits
echo "* soft nofile 65536" >> /etc/security/limits.conf
echo "* hard nofile 65536" >> /etc/security/limits.conf
# Network tuning
sysctl -w net.core.rmem_max=16777216
sysctl -w net.core.wmem_max=16777216
sysctl -w net.ipv4.tcp_rmem="4096 87380 16777216"
sysctl -w net.ipv4.tcp_wmem="4096 87380 16777216"
</code></pre>
<h3>Monitoring</h3>
<p>Set up monitoring to track server health:</p>
<ul>
<li>CPU and memory usage</li>
<li>Network traffic and latency</li>
<li>Player count and activity</li>
<li>Error rates and crash logs</li>
</ul>
<h3>Backup Strategy</h3>
<pre><code>#!/bin/bash
# backup.sh - Run via cron
DATE=$(date +%Y%m%d_%H%M%S)
BACKUP_DIR="/backups/gameserver"
SERVER_DIR="/home/gameserver/server"
# Create backup
tar -czf $BACKUP_DIR/backup_$DATE.tar.gz -C $SERVER_DIR .
# Keep only last 7 days
find $BACKUP_DIR -name "backup_*.tar.gz" -mtime +7 -delete
</code></pre>
<h2 id="security">Security Best Practices</h2>
<h3>Firewall Configuration</h3>
<pre><code># Minimal firewall - only allow necessary ports
sudo ufw default deny incoming
sudo ufw default allow outgoing
sudo ufw allow [SERVER_PORT]/tcp
sudo ufw allow [SERVER_PORT]/udp
sudo ufw allow 22/tcp # SSH
sudo ufw enable
</code></pre>
<h3>Strong Passwords</h3>
<ul>
<li>Use strong, unique passwords for admin/RCON access</li>
<li>Never use default passwords</li>
<li>Change passwords regularly</li>
<li>Don't share admin credentials unnecessarily</li>
</ul>
<h3>Regular Updates</h3>
<ul>
<li>Keep server software updated to the latest stable version</li>
<li>Update operating system and dependencies regularly</li>
<li>Subscribe to security advisories for your game</li>
<li>Test updates on a staging server before production deployment</li>
</ul>
<h3>Access Control</h3>
<ul>
<li>Limit SSH access to specific IPs if possible</li>
<li>Use SSH keys instead of passwords</li>
<li>Disable root login via SSH</li>
<li>Implement fail2ban or similar intrusion prevention</li>
</ul>
<h3>DDoS Protection</h3>
<ul>
<li>Consider DDoS protection services (Cloudflare, OVH, etc.)</li>
<li>Implement rate limiting where supported</li>
<li>Monitor for unusual traffic patterns</li>
<li>Have an incident response plan</li>
</ul>
<h2>Additional Resources</h2>
<ul>
<li>Official Killing Floor documentation and forums</li>
<li>Community wikis and guides</li>
<li>Game-specific Discord or Reddit communities</li>
<li>Server hosting provider documentation</li>
</ul>
<div style="background: #78350f; padding: 20px; border-left: 4px solid #f59e0b; margin: 20px 0; border-radius: 4px;">
<h3 style="color: #ffffff; margin-top: 0;"><i class="fas fa-exclamation-triangle" style="color: #fbbf24; margin-right: 8px;"></i>Important Notes</h3>
<ul style="color: #fef3c7; line-height: 1.8; margin: 0;">
<li>Always make backups before making configuration changes</li>
<li>Keep your server and dependencies updated</li>
<li>Monitor server resources and player activity</li>
<li>Follow the game's End User License Agreement (EULA) and Terms of Service</li>
<li>Join community forums for support and best practices</li>
</ul>
</div>
<p style="text-align: center; margin-top: 30px; color: #666;">
<em>Last updated: November 2025 | For Killing Floor server hosting</em>
</p>