Server Settings

These Console commands can be used by server administrators to modify many aspects of gameplay on listen servers and dedicated servers.

sv_accelerate

None
Default Value: 10

sv_airaccelerate

None
Default Value: 10

sv_allow_color_correction

Allow or disallow clients to use color correction on this server
Default Value: 1

sv_allow _wait_command

Allow or disallow the wait command on clients connected to this server
Default Value: 1

sv_allowdownload

Allow clients to download files
Default Value: 1

sv_allowupload

Allow clients to upload customizations files
Default Value: 1

sv_alltalk

Players can hear all other players, no team restrictions
Default Value: 0

sv_alternateticks

If set, server only simulates entities on alternate ticks.
Default Value: 0

sv_autosave

Set to 1 to save game on level transition. Does not affect autosave triggers.
Default Value: 1

sv_backspeed

How much to slow down backwards motion
Default Value: 0

sv_bounce

Bounce multiplier for when physically simulated objects collide with other objects.
Default Value: 0

sv_cacheencodedents

If set to 1, does an optimization to prevent extra SendTable_Encode calls.
Default Value: 1

sv_cheats

Allow cheats on server if set to 1
Default Value: 0

sv_client_cmdrate_difference

cl_cmdrate is moved to within sv_client_cmdrate_difference units of cl_updaterate before it is clamped between sv_mincmdrate and sv_maxcmdrate
Default Value: 20

sv_client_interpolate

This can be used to force the value of cl_interpolate for connected clients (only while they are connected). -1 = let client set this value
Default Value: -1

sv_client_max_interp_ratio

This can be used to limit the value of cl_interp_ratio for connected clients (only while they are connected). If sv_client_min_
Default Value: 2

sv_client_min_interp_ratio

This can be used to limit the value of cl_interp_ratio for connected clients (only while they are connected). -1 = let client set this value
Default Value: 1

sv_client_predict

This can be used to force the value of cl_predict for connected clients (only while they are connected). -1 = let clients set this value
Default Value: -1

sv_consistency

Whether the server enforces file consistency for critical files
Default Value: 0

sv_contact

Contact email for server sysop
Default Value: 0

sv_debug_player_use

Visualizes +use logic. Green cross=trace success, Red cross=trace too far, Green box=radius success
Default Value: 0

sv_debugmanualmode

Make sure entities correctly report whether or not their network data has changed.
Default Value: 0

sv_deltaprint

Print accumulated CalcDelta profiling data (only if sv_deltatime is on)
Default Value: 0

sv_deltatime

Enable profiling of CalcDelta calls
Default Value: 0

sv_enableoldqueries

Enable support for old style (HL1) server queries
Default Value: 0

sv_filterban

Set packet filtering by IP mode
Default Value: 1

sv_findsoundname

Find sound names which reference the specified wave files.
Default Value:

sv_footsteps

Play footstep sound for players
Default Value: 1

sv_forcepreload

Force server side preloading
Default Value: 0

sv_friction

World friction.
Default Value: 4

sv_gravity

World gravity
Default Value: 800

sv_instancebaselines

Enable instanced baselines. Saves network overhead
Default Value: 1

sv_lagflushbonecache

Flushes entity bone cache on lag compensation
Default Value: 1

sv_lan

Server is a lan server (no heartbeat, no authentication, no non-class C addresses)
Default Value: 0

sv_log_onefile

Log server information to only one file
Default Value: 0

sv_logbans

Log server bans in the server logs
Default Value: 0

sv_logblocks

If true when log when a query is blocked (can cause very large log files)
Default Value: 0

sv_logdownloadlist

None
Default Value: 1

sv_logecho

Echo log information to the console.
Default Value: 1

sv_logfile

Log server information in the log file.
Default Value: 1

sv_logflush

Flush the log file to disk on each write (slow).
Default Value: 0

sv_logsdir

Folder in the game directory where server logs will be stored.
Default Value: logs

sv_massreport

None
Default Value: 0

sv_master_legacy_mode

Use old (outside-of-Steam) code to communicate with master servers
Default Value: 0

sv_master_share_game_socket

Use the game's socket to communicate to the master server. If this is 0, then it will create a socket on -steamport + 1 to comm
Default Value: 0

sv_max_queries_sec

Maximum queries per second to respond to from a single IP address.
Default Value: 3

sv_max_queries_sec_global

Maximum queries per second to respond to from anywhere.
Default Value: 60

sv_max_queries_window

Window over which to average queries per second averages.
Default Value: 30

sv_max_usercmd_future_ticks

Prevents clients from running usercmds too far in the future. Prevents speed hacks.
Default Value: 8

sv_maxcmdrate

(If sv_mincmdrate is > 0), this sets the maximum value for cl_cmdrate.
Default Value: 101

sv_maxrate

Max bandwidth rate allowed on server, 0 == unlimited
Default Value: 0

sv_maxreplay

Maximum replay time in seconds
Default Value: 0

sv_maxspeed

None
Default Value: 320

sv_maxunlag_

Maximum lag compensation in seconds
Default Value: 1

sv_maxupdaterate

Maximum updates per second that the server will allow
Default Value: 60

sv_maxvelocity

Maximum speed any ballistically moving object is allowed to attain per axis.
Default Value: 3500

sv_mincmdrate

This sets the minimum value for cl_cmdrate. 0 == unlimited.
Default Value: 0

sv_minrate

Min bandwidth rate allowed on server, 0 == unlimited
Default Value: 0

sv_minupdaterate

Minimum updates per second that the server will allow
Default Value: 10

sv_netvisdist

Test networking visibility distance. Only available if cheats are enabled.
Default Value: 10000

sv_noclipaccelerate

None
Default Value: 5

sv_noclipduringpause

If cheats are enabled, then you can noclip with the game paused (for doing screenshots, etc.).
Default Value: 0

sv_noclipspeed

None
Default Value: 5

sv_npc_talker_maxdist

NPCs over this distance from the player won't attempt to speak
Default Value: 1024

sv_password

Server password for entry into multiplayer games
Default Value: 0

sv_pausable

Is the server pausable.
Default Value: 0

sv_precacheinfo

Show precache info.
Default Value: 0

sv_pure

If set to 1, the server will force all client files except the whitelisted ones(in pure_server_whitelist.txt) to match the server. If set to 2, than pure_server_whitelist.txt is ignored and all content files come from Steam.
Default Value: 0

sv_pure_kick_clients

If set to 1, the server will kick clients with mismatching files. Otherwise, it will issue a warning to the client.
Default Value: 0

sv_pure_trace

If set to 1, the server will print a message whenever a client is verifying a CRC for a file.
Default Value: 0

sv_pushaway_clientside

Clientside physics push away (0=off, 1=only localplayer, 1=all players)Add sound to precache list.
Default Value: 0

sv_pushaway_clientside_size

Minimum size of pushback objects
Default Value: 15

sv_pushaway_force

How hard physics objects are pushed away from the players on the server.
Default Value: 30000

sv_pushaway_hostage_force

How hard the hostage is pushed away from physics objects (falls off with inverse square of distance)
Default Value: 20000

sv_pushaway_max_force

Maximum amount of force applied to physics objects by players
Default Value: 1000

sv_pushaway_max_hostage_force

Maximum of how hard the hostage is pushed away from physics objects
Default Value: 1000

sv_pushaway_max_player_force

Maximum of how hard the player is pushed away from physics objects
Default Value: 1000

sv_pushaway_min_player_speed

If a player is moving slower than this, don't push away physics objects (enables ducking behind things)
Default Value: 75

sv_pushaway_player_force

How hard the player is pushed away from physics objects (falls off with inverse square of distance)
Default Value: 200000

sv_pvsskipanimation

Skips SetupBones when npc's are outside the PVS
Default Value: 1

sv_rcon_banpenalty

Number of minutes to ban users who fail rcon authentication
Default Value: 0

sv_rcon_log

Enable/disable rcon logging
Default Value: 1

sv_rcon_maxfailures

Max number of times a user can fail rcon authentication before being banned
Default Value: 10

sv_rcon_minfailures

Number of times a user can fail rcon authentication in sv_rcon_minfailuretime before being banned
Default Value: 5

sv_rcon_minfailuretime

Number of seconds to track failed rcon authentications
Default Value: 30

sv_region

The region of the world to report this server in.
Default Value: -1

sv_rollangle

Max view roll angle
Default Value: 0

sv_rollspeed

None
Default Value: 200

sv_runcmds

None
Default Value: 1

sv_sendtables

Force full sendtable sending path
Default Value: 0

sv_showanimstate

Show the (server) animation state for the specified entity (-1 for none).
Default Value: 1

sv_showanimstate_log

1 to output sv_showanimstate to Msg(). 2 to store in AnimStateServer.log. 3 for both.
Default Value: 1

sv_showhitboxes

Send server-side hitboxes for specified entity to client (NOTE: this uses lots of bandwidth, use on listen server only). Only available if Cheats are enabled.
Default Value: 1

sv_showimpacts

Shows client (red) and server (blue) bullet impact point (1=both, 2=client-only, 3=server-only)
Default Value: 0

sv_showladders

Show bbox and dismount points for all ladders (must be set before level load.)
Default Value: 0

sv_showlagcompensation

Show lag compensated hitboxes whenever a player is lag compensated
Default Value: 0

sv_showplayerhitboxes

Show lag compensated hitboxes for the specified player index whenever a player fires
Default Value: 0

sv_skyname

Current name of the skybox texture
Default Value: 0

sv_soundemitter_filecheck

Report missing wave files for sounds and game_sounds files.
Default Value:

sv_soundemitter_flush

Flushes the sounds.txt system (server only)
Default Value:

sv_soundemitter_trace

Show all EmitSound calls including their symbolic name and the actual wave file they resolved to
Default Value: 0

sv_soundscape_printdebuginfo

print soundscapes
Default Value:

sv_specaccelerate

None
Default Value: 5

sv_specnoclip

None
Default Value: 1

sv_specspeed

None
Default Value: 3

sv_stats

Collect CPU usage stats
Default Value: 1

sv_stepsize

None
Default Value: 18

sv_stopspeed

Minimum stopping speed when on ground
Default Value: 100

sv_stressbots

If set to 1, the server calculates data and fills packets to bots. Used for perf testing.
Default Value: 0

sv_strict_notarget

If set, notarget will cause entities to never think they are in the pvs
Default Value: 0

sv_suppress_viewpunch

None
Default Value: 0

sv_teststepsimulation

None
Default Value: 0

sv_thinktimecheck

Check for thinktimes all on same timestamp
Default Value: 0

sv_timeout

After this many seconds without a message from a client, the client is dropped
Default Value: 65

sv_unlag

Enables player lag compensation
Default Value: 1

sv_unlag_debug

None
Default Value: 0

sv_unlag_fixstuck

Disallow backtracking a player for lag compensation if it will cause them to become stuck
Default Value: 0

sv_unlockedchapters

None
Default Value: 0

sv_voicecodec

Specifies which voice codec DLL to use in a game. Set to the name of the DLL without the extension
Default Value: 0

sv_voiceenable

None
Default Value: 1

sv_wateraccelerate

None
Default Value: 10

sv_waterdist

Vertical view fixup when eyes are near water plane
Default Value: 12

sv_waterfriction

None
Default Value: 1