xtux Server Detection

# Copyright (C) 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.11016");
  script_version("2021-04-15T08:06:51+0000");
  script_tag(name:"last_modification", value:"2021-04-15 08:06:51 +0000 (Thu, 15 Apr 2021)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  script_tag(name:"cvss_base", value:"0.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:N");
  script_name("xtux Server Detection");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2005 Michel Arboi");
  script_family("Service detection");

  script_tag(name:"summary", value:"The xtux server might be running on this port. If somebody
  connects to it and sends it garbage data, it may loop and overload your CPU.

  This VT has been deprecated and is therefore no longer functional.");

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

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

  exit(0);
}

exit(66); # nb: The script only checked if port 8390 was open and an unknown services which is quite useless these days.

# nb: xtux server will start looping and eat CPU if it receives bad input.
# Writing a nice plugin is useless, as xtux is killed by find_service!