nginx редирект любого каталога на index.php

location ~ ^/ajax/not/ {
   fastcgi_index  index.php;
   try_files $uri $uri/ /ajax/not/index.php?$query_string;
   fastcgi_pass   unix:/var/run/php-fpm.sock;
   fastcgi_param  SCRIPT_FILENAME   $document_root$fastcgi_script_name;
   include        fastcgi_params;
}

location ~ ^/ajax/set/ {
   fastcgi_index  index.php;
   try_files $uri $uri/ /ajax/set/index.php?$query_string;
   fastcgi_pass   unix:/var/run/php-fpm.sock;
   fastcgi_param  SCRIPT_FILENAME   $document_root$fastcgi_script_name;
   include        fastcgi_params;
}