shell script not working properly as Nagios plugin

[Assaf Flatto]

On 20/07/12 12:41, vishesh kumar wrote:
> Hi Members,
>
> I wrote below script to monitor ssh traffic
>
> +++++++++++++++++++++++++++++++++++++++++++
> a=$(/usr/bin/sudo /sbin/iptables -vL|/bin/grep ':ssh'|/bin/awk '{print 
> $1}')
> if [ $a -gt 3 ]; then
> echo "SSH aatempt is TOO High | $a"
> exit 2
> else
> if [ $a -gt 2 ]; then
> echo "SSH aatempt is Average | $a"
> exit 1
> else
> echo "No SSH attempts | $a"
> exit 0
> fi
> fi
> exit 3
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
> This script is working fine on shell and returning "SSH attempt is too 
> high" . But when i run it via nagios the output returned OK and print 
> "No SSH attempts".
>
> What I can notice that variable a not holding any value while running 
> via nagios , while its working fine when running via shell.
>
> Can you please drive me in right direction ?
>
>
> Thanks
>
>
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> ::: Messages without supporting info will risk being sent to /dev/null
Is your nagios user defined as allowed to use sudo ?
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Exclusive live event will cover all the ways today's security and 
threat landscape has changed and how IT managers can respond. Discussions 
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threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. 
::: Messages without supporting info will risk being sent to /dev/null