Enter the address to generate in-game direct connect steps and Steam favourites workflow.
#connect#multiplayer
Open tool →
Hardcore
Port Matrix & Multi-Instance · Contagion
Hardcore Zombie Survival Shooter · Zombie Survival / Shooter
Player tools indexed: 5
Admin consoles: 8
Port roles, protocols, multi-instance collision detection and step planning.
Player tools (5)
Instant interactive calculations and recipe plannersStep-by-step triage for not-listed / cannot-connect / timeout / version-mismatch.
#troubleshoot#network
Open tool →
Official channels, Steam Workshop and community resources.
#resources#workshop
Open tool →
Current version, dedicated-server buildid, recent patches and branch info.
#version#patch
Open tool →
Weapon damage, magazine capacity, recoil and attachment quick reference.
#weapons#equipment
Open tool →
Server admin and config generation (8)
Config files, startup scripts and command wizards for running a serverEstimate RAM and CPU by player count.
#RAM#planning
Generate config →
Port roles, protocols, multi-instance collision detection and step planning.
#ports#multi-instance
Generate config →
Generate iptables/firewalld/netsh/ufw rules per platform.
#firewall#rules
Generate config →
Generate Linux/Windows install, update and systemd service scripts.
#deploy#install
Generate config →
Assemble the full contagionds.exe command line with map, player count and tickrate.
#startup#parameters
Generate config →
Generate Source engine server.cfg cvars with paste pre-check.
#config#cvar
Generate config →
Console admin command cheat-sheet, RCON connection and permission management.
#commands#admin
Generate config →
Configure mapcycle.txt, game mode switching and vote system.
#maps#cycle
Generate config →
Contagion Ports & Protocols
| Port | Protocol | Purpose |
|---|---|---|
| 27015 | UDP | Game + Steam query |
FAQ
- Which Contagion server-admin tools are available?
- We list 8 tools for Contagion: Capacity Planner, Port Matrix & Multi-Instance, Firewall Rules Generator, SteamCMD Install Script, Startup Parameter Builder, server.cfg Config Generator, Admin Commands & RCON Reference, Map Cycle & Game Mode Config. All of them run straight in your browser.
- Which ports does Contagion need open?
- Contagion defaults to 27015/UDP. Use the actual instance configuration and allow only the listed protocols and ports. Check the host firewall, router forwarding and game visibility settings.
- How do I install a dedicated Contagion server?
- Install it with SteamCMD — the dedicated server app id for Contagion is 293030, so +app_update 293030 validate downloads or updates it. Config files usually live at contagion/server.cfg, contagion/mapcycle.txt, contagion/banned_ip.cfg.
- Do these tools cost anything or need installing?
- No. Everything runs in the page: no install, no sign-up, no cost. Enter your values and the result appears instantly, and you can copy the generated configs and commands with one click.