DNS Server on UDP and TCP

# SPDX-FileCopyrightText: 2005 Michel Arboi
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

# This is not really a security check.
# See STD0013

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.18356");
  script_version("2023-08-01T13:29:10+0000");
  script_tag(name:"last_modification", value:"2023-08-01 13:29:10 +0000 (Tue, 01 Aug 2023)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:N");
  script_tag(name:"cvss_base", value:"0.0");
  script_name("DNS Server on UDP and TCP");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2005 Michel Arboi");
  script_family("Service detection");

  script_tag(name:"summary", value:"A DNS server is running on this port but
  it only answers to UDP requests. This means that TCP requests are blocked by a firewall.

  This configuration is incorrect: TCP might be used by any request, it is not restricted
  to zone transfers. Read RFC1035 or STD0013 for more information.

  This VT has been deprecated (without any replacement) because it doesn't impose a
  security risk.");

  script_tag(name:"qod_type", value:"remote_banner");

  script_tag(name:"deprecated", value:TRUE);

  exit(0);
}

exit(66);