if (req.url ~ "competition=([a-zA-Z0-9*]+)") {
    set req.http.X-COOKIE-NAME = regsub( req.url, "^/index.php\?", "");
    set req.http.X-COOKIE-NAME = regsub( req.http.X-COOKIE-NAME, "max=([0-9*]+)", "");
    set req.http.X-COOKIE-NAME = regsub( req.http.X-COOKIE-NAME, "telhash=([a-zA-Z0-9*]+)", "");
    set req.http.X-COOKIE-NAME = regsub( req.http.X-COOKIE-NAME, "competition=([a-zA-Z0-9*]+)", "\1\=1");
    set req.http.X-COOKIE-NAME = regsuball( req.http.X-COOKIE-NAME, "&", "");

    set req.http.X-COOKIE-EXISTS = "false";

    C{
      char *cookiename = VRT_GetHdr(sp, HDR_REQ, "\016X-COOKIE-NAME:");
      char *cookie = VRT_GetHdr(sp, HDR_REQ, "\007Cookie:");
      int ans;
      ans = strstr(cookie, cookiename);
      if (ans != NULL) {
        VRT_SetHdr(sp, HDR_REQ, "\020X-COOKIE-EXISTS:", ans, vrt_magic_string_end);
      }
    }C
  }

  if (req.http.X-COOKIE-EXISTS != "false") {
    set req.url = "/denied.html";
  }