Re: [Nagios-users] Nagios Plugin for IPTABLES Monitoring

[Percy K. <ps...@ps...>]

adjust your awk statement.  I bet you the output is shifted one field to 
the left or right.

Cheers.

-Percy



On 5/14/2013 4:43 AM, Deborah Martin wrote:
>
> Hi,
>
> What is the wrong output being returned ? This might give us all a 
> clue as to the cause of the problem.
>
> When you run the check manually, are you doing this as the same user 
> that check_nrpe will use ?
>
> Regards,
>
> Deborah
>
> *From:*Thilakraj.Shanmugam [mailto:Thi...@ca...]
> *Sent:* 14 May 2013 08:43
> *To:* nag...@li...
> *Subject:* [Nagios-users] Nagios Plugin for IPTABLES Monitoring
>
> Greetings!
>
> Could someone send me nagios plugin which is tested and works well for 
> monitoring IPTABLES in Linux.
>
> I have tested below script but it is not returning correct output to 
> nagios server.
>
> If I execute script manually, it shows correct output...
>
> But if I execute via  ./check_nrpe -- H localhost --c check_iptables,  
> it shows wrong output.
>
> Below is my plugin
>
> ------------------------------
>
> #!/bin/bash
>
> set -x
>
> IPT='/sbin/iptables'
>
> GREP='/bin/grep'
>
> AWK='/bin/awk'
>
> EXPR='/usr/bin/expr'
>
> WC='/usr/bin/wc'
>
> A='/usr/bin/sudo'
>
> E_SUCCESS="0"
>
> E_CRITICAL="2"
>
> E_UNKNOWN="3"
>
> CHAINS=`$A $IPT -nvL | $GREP 'Chain' | $AWK '{ print $2 }'| $GREP Cid 
> | $WC -l`
>
>                 if [ $CHAINS -ne 0 ] ; then
>
> echo "Firewall is running!"
>
> exit ${E_SUCCESS}
>
>                 elif [ $CHAINS -eq 0 ] ; then
>
> echo "Firewall is not running"
>
> exit ${E_CRITICAL}
>
>                 fi
>
>
> Untitled Document
>
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