49 lines
1.5 KiB
Bash
Executable File
49 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
|
|
# Copyright 2010, Pall Sigurdsson <palli@opensource.is>
|
|
#
|
|
# This script 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 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This script 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, see <http://www.gnu.org/licenses/>.
|
|
|
|
# About this script
|
|
#
|
|
# This script will check for established TCP connection via SNMP
|
|
|
|
|
|
|
|
|
|
LOCAL_HOST=$1
|
|
LOCAL_PORT=$2
|
|
COMMUNITY=$3
|
|
REMOTE_HOST=$4
|
|
REMOTE_PORT=$5
|
|
|
|
if [ -z $REMOTE_HOST ]; then
|
|
echo "Usage: $0 <local_host> <local_port> <snmp_community> <remote_host>"
|
|
exit 3
|
|
fi
|
|
|
|
OUTPUT=`/usr/bin/snmpwalk -v 2c -c $COMMUNITY $LOCAL_HOST TCP-MIB::tcpConnState.$LOCAL_HOST.$LOCAL_PORT.$REMOTE_HOST | grep -q established`
|
|
RESULT=$?
|
|
|
|
if [ $RESULT -gt 0 ]; then
|
|
echo "TCP Connection from $REMOTE_HOST to $LOCAL_HOST:$LOCAL_PORT found"
|
|
echo "command:"
|
|
echo "/usr/bin/snmpwalk -v 2c -c $COMMUNITY $LOCAL_HOST TCP-MIB::tcpConnState.$LOCAL_HOST.$LOCAL_PORT.$REMOTE_HOST"
|
|
echo "OUTPUT: "
|
|
echo "$OUTPUT"
|
|
exit 1
|
|
fi
|
|
|
|
echo "TCP Connection from $REMOTE_HOST to $LOCAL_HOST:$LOCAL_PORT found"
|
|
exit 0
|