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Your IP : 216.73.217.84
#!/bin/sh
# Copyright (C) 2019 Checkmk GmbH - License: GNU General Public License v2
# This file is part of Checkmk (https://checkmk.com). It is subject to the terms and
# conditions defined in the file COPYING, which is part of this source code package.
# Reason for this no-op: shellcheck disable=... before the first command disables the error for the
# entire script.
:
# Disable unused variable error (needed to keep track of version)
# shellcheck disable=SC2034
CMK_VERSION="2.3.0p38"
# This is not part of the standard agent since it can take very
# long to run if your TCP/UDP table is large. Netstat seems to
# have an execution time complexity of at least O(n^2) on Linux.
echo '<<<netstat>>>'
(netstat -ntua || ss -ntua) | grep -E '^(tcp|udp)' | sed -e 's/LISTEN/LISTENING/g'