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https://github.com/opinkerfi/nagios-plugins.git
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49 lines
1.5 KiB
Bash
Executable File
49 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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# Copyright 2010, Pall Sigurdsson <palli@opensource.is>
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#
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# This script is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This script is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# About this script
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#
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# This script will check for established TCP connection via SNMP
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LOCAL_HOST=$1
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LOCAL_PORT=$2
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COMMUNITY=$3
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REMOTE_HOST=$4
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REMOTE_PORT=$5
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if [ -z $REMOTE_HOST ]; then
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echo "Usage: $0 <local_host> <local_port> <snmp_community> <remote_host>"
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exit 3
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fi
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OUTPUT=`/usr/bin/snmpwalk -v 2c -c $COMMUNITY $LOCAL_HOST TCP-MIB::tcpConnState.$LOCAL_HOST.$LOCAL_PORT.$REMOTE_HOST | grep -q established`
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RESULT=$?
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if [ $RESULT -gt 0 ]; then
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echo "TCP Connection from $REMOTE_HOST to $LOCAL_HOST:$LOCAL_PORT found"
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echo "command:"
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echo "/usr/bin/snmpwalk -v 2c -c $COMMUNITY $LOCAL_HOST TCP-MIB::tcpConnState.$LOCAL_HOST.$LOCAL_PORT.$REMOTE_HOST"
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echo "OUTPUT: "
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echo "$OUTPUT"
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exit 1
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fi
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echo "TCP Connection from $REMOTE_HOST to $LOCAL_HOST:$LOCAL_PORT found"
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exit 0
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