location ~ \.(asp|aspx|php|jsp|cgi|cgii|pl|py|exe|dll|msi)$ {
  return 410;
}
location ~ /TWiki|WebHome|cgi-bin|portal|foswiki|spywall|setseed-hub|account/ig {
  return 410;
}
if ($http_user_agent ~* (BDNC)) {
  return 410;
}