19         if ( $allow_address = 0  ) {
 20                 set $check "A";
 21         }
 22
 23         if ( $request_uri ~ ^/wp-login\.php ) {
 24                 set $check "${check}B";
 25         }
 26
 27         if ( $check = "AB" ) {
 28                 return 403;
 29         }
 30