公网上开启了zeroconf的服务器该怎么获取mDNS hostname、Advertised services这些信息？

Question

用nessus在客户服务器上找到的漏洞，不知道公网上开启了zeroconf的服务器该怎么获取mDNS hostname、Advertised services这些信息？

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(66717);
  script_version("$Revision: 1.1 $");
  script_cvs_date("$Date: 2013/05/31 14:41:19 $");

  script_name(english:"mDNS Detection (Local Network)");
  script_summary(english:"mDNS detection on the local network");

  script_set_attribute(
    attribute:"synopsis",
    value:"It is possible to obtain information about the remote host."
  );
  script_set_attribute(
    attribute:"description",
    value:
"The remote service understands the Bonjour (also known as ZeroConf or
mDNS) protocol, which allows anyone to uncover information from the
remote host such as its operating system type and exact version, its
hostname, and the list of services it is running. 

This plugin attempts to discover mDNS used by hosts residing on the same
network segment as Nessus."
  );
  script_set_attribute(
    attribute:"solution",
    value:"Filter incoming traffic to UDP port 5353, if desired."
  );
  script_set_attribute(attribute:"risk_factor", value:"None");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/05/31");
  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Service detection");

  script_copyright(english:"This script is Copyright (C) 2013 Tenable Network Security, Inc.");

  script_dependencies("mdns.nasl");
  script_require_keys("/tmp/mdns/report");

  exit(0);
}


include("global_settings.inc");
include("misc_func.inc");

port = get_service(svc:'mdns', ipproto:'udp', exit_on_fail:TRUE);
report = get_kb_item_or_exit('/tmp/mdns/' + port + '/report');

if (report_verbosity > 0)
  security_note(port:port, proto:"udp", extra:report);
else
  security_note(port:port, proto:"udp");

我尝试在mdns_localnet.nasl中查找方法，未发现相关函数。
如果你想稍作尝试，请访问以下链接获取测试地址：https://www.zoomeye.org/searc...