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Script to check if iptables is running is not working

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linux-howto

http://serverfault.com – I have the following simple script to check if iptables is running or not. Why does it always returns 'OK' no matter what the status is? #!/bin/bash #IPT='iptables' SERV='/sbin/service iptables status' EXPR='Firewall is stopped.' if [ "$SERV" = "$EXPR" ] then echo 'Firewall is not Running' exit 2 else echo 'OK' exit 0 fi (HowTos)