This is the part about AntiCheat in my mtaserver.conf 
 
    <!-- By default, the server will block the use of customized GTA:SA data files. --> 
    <!-- To allow specific client files, add one or more of the following: --> 
    <!-- <client_file name="data/carmods.dat" verify="0"/> --> 
  
    <!-- Comma separated list of disabled anti-cheats. 
         For details see [url=https://wiki.multitheftauto.com/wiki/Anti-cheat_guide]https://wiki.multitheftauto.com/wiki/Anti-cheat_guide[/url] 
         e.g. To disable anti-cheat #2 and #3, use: 2,3 --> 
    <disableac></disableac> 
  
    <!-- 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. 
         For details see [url=https://wiki.multitheftauto.com/wiki/Anti-cheat_guide]https://wiki.multitheftauto.com/wiki/Anti-cheat_guide[/url] 
         e.g. To enable special detection #12 use: 12 --> 
    <enablesd></enablesd>