关于设置Nginx referer实现重定向跳转和屏蔽跳转

if ($http_referer ~ 'bing.com')
{
    return 404;
}

  if ($http_referer ~* "www.baidu.com") {
          rewrite ^/(.*)$ http://www.itbulu.com redirect;
      }
      if ($http_referer ~* "www.google.com") {
          rewrite ^/(.*)$ http://www.itbulu.com redirect;
      }