Steam Community :: Guide :: Dedicated Server Configuration Guide

Key

Effect

Accepted Values

IpAddress

Listening interface for the game server, usually 0.0.0.0 if listening on all interfaces.

any string formatted ipv4 address

GamePort

UDP port used for gameplay netcode.

integer

QueryPort

UDP port used by Steam to list the server and enable the discovery services.

integer

BlobSyncPort

BlobSyncPort UDP port used by the BlobSync system to initialize game systems and exchange data.

nteger

ServerName

Name of the server visible in the server list, and in the Steam contacts.

any string

MaxPlayers

The maximum number of players allowed simultaneously on the server.

integer (1-8)

Password

Adds a password to make your server “private”. Upon connection, this password will be requested before the client can proceed.

any string up to 40 characters long

LanOnly

Allows or restricts the server visibility to LAN only.

true, false

SaveSlot

When creating a new save, this number will be the id of the save.

integer greater or equal to 1

SaveMode

Game save initialization mode.
• “continue”: will create a new save on SaveSlot if it doesn’t exist, or load it if it exist.
• “new”: will create a new game, with a new game id, and overwrite any game previously saved on the SaveSlot. If the server stops and restarts, the previous save will be overwritten for as long as the mode is set to “new”.

new, continue

GameMode

Sets the difficulty game mode when creating a new save. This parameter is ignored if loading a save (save mode set to “continue” with a save that exists on the slot). If the game mode is set to “custom”, then the custom game mode settings will be read from CustomGameModeSettings option, described later.

normal, hard, hardsurvival, peaceful, custom

SaveInterval

How often the game server automatically saves the game to SaveSlot, in seconds.

integer

IdleDayCycleSpeed

A multiplier to how quickly the time passes compared to normal gameplay when the server is considered idle (no player connected).

floating point value between 0 and 1, greater than or equal to 0

IdleTargetFramerate

Target framerate of the server when it’s considered idle (no player connected).

integer greater or equal to 1

ActiveTargetFramerate

Target framerate of the server when it’s NOT considered idle (one or more player connected).

integer greater of equal to 10

LogFilesEnabled

Defines if the logs will be written to files. The logs will be output in /logs.

true, false

TimestampLogFilenames

Enabled log files timestamping.
• “true”: every time the server runs will dump log output to a new file, with filename having the following format: sotf_log_{DateTime:yyyy-MM-dd_HH-mm-ss}.txt
• “false”: the filename will be sotf_log.txt and previous log will be overwritten if it already exists.

true, false

TimestampLogEntries

Enables each log entry written to file to be timestamped.

true, false

SkipNetworkAccessibilityTest

Opt-out of network accessibility self tests: retrieval of the public IP and listing on Steam Master Server, as well as port accessibility check. Please note that only IPv4 is officially supported.

true, false

GameSettings

A key value map of all game settings you can use to tweak your game (in any mode). All parameters will be listed in a later paragraph along with their possible values. If the value is null, or empty, default settings will be used.

Refer to Game Settings section

CustomGameModeSettings

A key value map of all settings available to customize your game in custom mode. All parameters are listed later in this guide along with their possible values. If the value is null, or empty, default settings will be used. This parameter is ignored if the game mode is not “custom” or if loading a save (save mode set to “continue” with a save that exists on the slot), whether is it “custom” or not.

Refer to Custom Game Mode Settings section