Windows NRPE

check Windows certificates health

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Description:

Check installed certificates in Windows store using powershell through NRPE / nsclient++:

-My store (machine)
-Root store
-CA store
-Auth store
-SharePoint store

You can specify number of days before expiring, and threshold for warning / critical

All known already expired certificate in store, provided by Microsoft on all Windows Server 2003 / 2008 / 2012 are ignored

Current Version

0.1

Last Release Date

2013-05-04

Compatible With

  • Nagios 3.x

Owner

Mathieu Chateau

Website

http://www.lotp.fr

License

GPL

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Project Files
FileDescription
lotp_check_certificates.ps1.txt
Project Notes
Check installed certificates in Windows store using powershell through NRPE / nsclient++: -My store (machine) -Root store -CA store -Auth store -SharePoint store You can specify number of days before expiring, and threshold for warning / critical All known already expired certificate in store, provided by Microsoft on all Windows Server 2003 / 2008 / 2012 are ignored ############################################### Tested Setup: Monitoring Box: -Centos 6.4 x64 -Nagios 3.4.4 -check_nrpe 2.13 -Centreon 2.4.2 -nsclient++ 0.4.1 x64 & x86 -Windows Server 2003 / 2008 R2 / 2012 -tested on both Core & GUI Servers ############################################### Scripts arguments The script accept eight arguments: -checkMyStore (true by default) -checkRootStore (true by default) -checkCAStore (true by default) -checkAuthRootStore (true by default) -checkSharePointStore (true by default) -expireInDays (60 by default) -maxWarn (Warning if above) -maxCrit (Critical if above) ############################################### Local execution example: PS C:Program FilesNSClient++scripts> . .lotp_check_certificates.ps1 $true $true $true $true $true 60 0 0 CRITICAL: *.mydomain.net:2013/06/05 PS C:Program FilesNSClient++scripts> NRPE execution: [root~]# /usr/lib64/nagios/plugins/check_nrpe -H myserver -n -c check_certificate -a $true $true $true $true $true 60 0 0 CRITICAL: *.mydomain.net:2013/06/05 [root~]# ############################################### Installation: On Windows Servers: -copy script in folder C:Program FilesNSClient++scripts -enable powershell script execution without signed : Set-ExecutionPolicy RemoteSigned -Add to nsclient.ini: [/settings/external scripts/wrapped scripts] check_certificate=lotp_check_certificate.ps1 $ARG1$ $ARG2$ $ARG3$ $ARG4$ $ARG5$ $ARG6$ $ARG7$ $ARG8$ ############################################### Configuration: For example, on Centreon: -Add a new command: $USER1$/check_nrpe -H $HOSTADDRESS$ -t 60 -n -c check_certificate -a $ARG1$ $ARG2$ $ARG3$ $ARG4$ $ARG5$ $ARG6$ $ARG7$ $ARG8$ Then add monitoring filling the ARGS. (using $$true and $false to escape correctly).
Reviews (1) Add a Review
-maxWarn -maxCrit not useful for my use
by FlynJets, March 31, 2014
The -maxWarn & -maxCrit parameters aren't described well in my opinion. They are the number of certs that are expired or will expire. so -maxWarn 1 -maxCrit 2 will give you a warning if 1 cert will expire or a critical if 2 or more certs are expiring.

I'm more interested in setting the number of days ahead of expiration for my warning and critical alerts.
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