Anti-cheat guide: Difference between revisions

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=Server setup=
=Server setup=


3 settings in [[Server_mtaserver.conf|'''mtaserver.conf''']] control AC behaviour for a server:
4 settings in [[Server_mtaserver.conf|'''mtaserver.conf''']] control AC behaviour for a server:


==<disableac></disableac>==
==<disableac></disableac>==
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'''''Note 2:''''' ''"data/handling.cfg" is not included as it is always ignored by MTA because of the internal vehicle handling functions. [[Handling.cfg|See here if you want to load custom handling.cfg files]]''<br/>
'''''Note 2:''''' ''"data/handling.cfg" is not included as it is always ignored by MTA because of the internal vehicle handling functions. [[Handling.cfg|See here if you want to load custom handling.cfg files]]''<br/>
==<hideac></hideac>==
You can use this setting in mtaserver.conf to hide the AC info from the client, showing the following line upon join:
Server AC info: [Allowed client files: Undisclosed] [Disabled AC: Undisclosed] [Enabled SD: Undisclosed]
Values: 0 - disabled, 1 - enabled; default value: 0.




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When joining a server, the server AC info is displayed in the client console (F8)<br/>
When joining a server, the server AC info is displayed in the client console (F8)<br/>
Example:<br/>
Example:<br/>
    Server AC Info: [Allowed client files: None] [Disabled AC: None] [Enabled SD: None]
Server AC Info: [Allowed client files: None] [Disabled AC: None] [Enabled SD: None]


Disabled AC contains the contents of the server setting from <disableac></disableac><br/>
Disabled AC contains the contents of the server setting from <disableac></disableac><br/>
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*26 - "data/maps"
*26 - "data/maps"


'''''Note:''''' ''If the info is marked "Undisclosed", it means that the server has decided not to disclose the AC info to the client.''


===Using modified files===
===Using modified files===
If you want to use modified data files from your GTA:SA install directory, check this check box:<br/>
If you want to use modified data files from your GTA:SA install directory, check this check box:<br/>
    Settings->Multiplayer->Use customized GTA:SA files
Settings -> Multiplayer -> Use customized GTA:SA files
(check box only appears if your GTA:SA data files are customized)<br/>
(checkbox only appears if your GTA:SA data files are customized)<br/>


Note that this will restrict your access to public servers as most do not allow customized data files.
'''''Note:''''' ''This will restrict your access to some public servers as most do not allow customized data files.''





Revision as of 20:29, 2 April 2018

Server setup

4 settings in mtaserver.conf control AC behaviour for a server:

<disableac></disableac>

Comma separated list of disabled anti-cheats. This setting disables specific AC codes. AC codes are shown to the player when that detection has been triggered. Available codes are:

Code for <disableac> Displayed on detect Required server version Required <minclientversion> Notes
1 AC #1 any Classic health/armour hack detector
2 AC #2 any Corrupted dll files
4 AC #4 any Detects presence of trainer. Capital letters in the message are for tagging particular trainers
5 AC #5 any Detects use of trainer.
6 VF #6 any Detects use of trainer incl.: player movement, health/damage, weapons, money, gamespeed, game cheats, aimbot
7 VF #7 any Detects use of trainer.
8 VF #8 any Detects unauthorized mods
11 AC #11 any More trainers
VF #11 any Dll injector / Trainer
13 SD #13 any Data files issue
17 VF #17 any Speed / wall hacks
21 AC #21 any 1.3.1-9.05097 More trainers
VF #21 any 1.3.1-9.05097 Custom gta_sa.exe
26 SD #26 any 1.3.4-9.05858 Anti-cheat component blocked


<enablesd></enablesd>

Comma separated list of enabled special detections. A special detection is a type of anti-cheat for (usually) harmless game modifications. Competitive servers may wish to enable special detections, but most servers should leave this setting blank. Available codes are:

Code for <enablesd> Displayed on detect Required server version Required <minclientversion> Notes
12 SD #12 any Disallow custom D3D9.DLL
14 SD #14 1.3.1-9.04605 1.3.1-9.04605 Disallow virtual machines such as VMWare
15 SD #15 1.3.1-9.04791 1.3.1-9.04791 Disallow disabled driver signing
16 SD #16 1.3.1-9.05097 1.3.1-9.05097 Disallow disabled anti-cheat components. This is triggered when an anti-cheat component can not start. It is usually due to some problem with the PC and might be fixed by a reboot. Can also be triggered by a virus.
20 SD #20 1.3.1-9.05097 1.3.1-9.05097 Disallow non-standard gta3.img or gta_int.img (For servers not using onPlayerModInfo)
22 SD #22 1.3.4-9.05884 1.3.4-9.05884 Disallow resource download errors/corruption (Lua script files)
23 SD #23 1.3.4-9.05884 1.5.2-9.07911 Disallow resource download errors/corruption (Non-Lua files e.g. png,dff)
28 SD #28 1.3.4-9.05884 1.3.4-9.05884 Disallow Linux Wine
31 SD #31 1.5.3 1.5.3-9.11204 Ignore injected keyboard inputs (e.g. from AutoHotKey and on screen keyboard)
32 SD #32 1.5.3 1.5.4-9.11528 Ignore injected mouse button inputs


<client_file name="data/carmods.dat" verify="0"/>

By default, clients may not join a server if they have customized GTA:SA data files. Adding one or more of the above lines excludes files from validation. The file names that can be used are:

  • "data/carmods.dat"
  • "data/animgrp.dat"
  • "data/ar_stats.dat"
  • "data/melee.dat"
  • "data/clothes.dat"
  • "data/object.dat"
  • "data/default.dat"
  • "data/surface.dat"
  • "data/default.ide"
  • "data/gta.dat"
  • "data/surfinfo.dat"
  • "data/peds.ide"
  • "data/vehicles.ide"
  • "data/pedstats.dat"
  • "data/water.dat"
  • "data/txdcut.ide"
  • "data/water1.dat"
  • "models/coll/weapons.col"
  • "data/weapon.dat"
  • "data/plants.dat"
  • "anim/ped.ifp"
  • "data/furnitur.dat"
  • "data/procobj.dat"
  • "data/maps"


Note 1: "data/maps" represents all the files and directories within "data/maps"

Note 2: "data/handling.cfg" is not included as it is always ignored by MTA because of the internal vehicle handling functions. See here if you want to load custom handling.cfg files

<hideac></hideac>

You can use this setting in mtaserver.conf to hide the AC info from the client, showing the following line upon join:

Server AC info: [Allowed client files: Undisclosed] [Disabled AC: Undisclosed] [Enabled SD: Undisclosed]

Values: 0 - disabled, 1 - enabled; default value: 0.


Client

When joining a server, the server AC info is displayed in the client console (F8)
Example:

Server AC Info: [Allowed client files: None] [Disabled AC: None] [Enabled SD: None]

Disabled AC contains the contents of the server setting from <disableac></disableac>
Enabled SD contains the contents of the server setting from <enablesd></enablesd>
Allowed client files contains numbers to indicate which client files the server allows to be modified. The numbers represent these files:

  • 1 - "data/carmods.dat"
  • 2 - "data/animgrp.dat"
  • 4 - "data/ar_stats.dat"
  • 5 - "data/melee.dat"
  • 6 - "data/clothes.dat"
  • 7 - "data/object.dat"
  • 8 - "data/default.dat"
  • 9 - "data/surface.dat"
  • 10 - "data/default.ide"
  • 12 - "data/gta.dat"
  • 13 - "data/surfinfo.dat"
  • 14 - "data/peds.ide"
  • 15 - "data/vehicles.ide"
  • 16 - "data/pedstats.dat"
  • 17 - "data/water.dat"
  • 18 - "data/txdcut.ide"
  • 19 - "data/water1.dat"
  • 20 - "models/coll/weapons.col"
  • 21 - "data/weapon.dat"
  • 22 - "data/plants.dat"
  • 23 - "anim/ped.ifp"
  • 24 - "data/furnitur.dat"
  • 25 - "data/procobj.dat"
  • 26 - "data/maps"

Note: If the info is marked "Undisclosed", it means that the server has decided not to disclose the AC info to the client.

Using modified files

If you want to use modified data files from your GTA:SA install directory, check this check box:

Settings -> Multiplayer -> Use customized GTA:SA files

(checkbox only appears if your GTA:SA data files are customized)

Note: This will restrict your access to some public servers as most do not allow customized data files.


AC Panel resource

An anti-cheat helper resource called acpanel is included with the default resources.

It shows the current anti-cheat status of your server, along with an option to keep your clients up to date and a basic implementation of onPlayerModInfo to block modified img files.