Nginx

Rules:

location / {
  try_files $uri $uri/ /index.php?_st=nginx&_lc=root&q=$request_uri;
}
location /admin/ {
  try_files $uri $uri/ /admin/index.php?_st=nginx&_lc=admin&q=$request_uri;
}
location /api/ {
  try_files $uri $uri/ /api/index.php?_st=nginx&_lc=api&q=$request_uri;
}
location /api/be/ {
  try_files $uri $uri/ /api/admin.php?_st=nginx&_lc=aapi&q=$request_uri;
}
location /api/app/ {
  deny all;
}
location /BOF/app/core/ {
  deny all;
}
location /files/protected {
  rewrite ^/files/protected/(.*)$ /protector.php?path=$1 last;
}

Nginx support was added in version 2.0.23. If you installed RKHM before Jul, 2023 ( scheduled update ), copy the content ( source, press CTRL+U ) of this file & paste it in BOF\app\core\classes\class_request.php