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Change PRTG7 service credentials

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Hello,

I need to run Paessler PRTG Monitor 7 under different credentials than Local System. When performing the change for PRTG Server and PRTG Probe services, I am unable to access PRTG. The user under which PRTG services run has local admin privileges on the server.

I need this in order to allow "Execute HTTP Action" notification to go through a predefined proxy server.

Thanks for your help and Best Regards, Max

account proxy prtg service

Created on Mar 18, 2010 4:04:35 PM by  Massimiliano Mortillaro (50) 2 1



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UPDATED: See solution below my signature.

Hello, I've fixed the problem. Although it is not possible to use a proxy through PRTG Monitor 7, I've made an Execute EXE program action that solves my problem. I will provide the details and script later, but here is how it works :

I've installed curl in the Notifications/EXE folder, then I've created a BAT file. The EXE sensor passes several variables as an argument to the BAT file, the BAT files processes those and concatenates them into a string (an URL) which is then passed to curl.exe with additional command line parameters to provide curl with a proxy address, username and password of an authorized user to use the proxy (in my case a service account) and finally the HTTP action to perform.

Because this URL is in fact a prowl/growl API command, the URL needs to be passed properly, hence character substitution must be done for & (ampersand) symbols, otherwise the cmd.exe interpreter sees this as an action to run after the first command (command concatenation i.e. run program1.exe & program2.exe & program3.exe)

Passing these variables to the BAT file has one issue though: some of the values passed as parameters to the BAT file by paessler contain spaces, therefore the BAT reads each space as a delimiter to fill the next variable, leading to shifting in the originally desired values. I've already though of a fix for this, I will provide more details here and in my blog later.

Thanks and Best Regards; Max

Update 22.03.2010 >> I modified my action to call a VBS file instead of a BAT file, allowing me smoother work with string concatenation. Please see the VBS script below (edit where needed) :

dim x,Params,increment,ArgObj,cmdline

Set ArgObj=Wscript.Arguments
Set WshShell=Wscript.CreateObject("Wscript.Shell")
Params=""


For increment=0 to ArgObj.count - 1
Params = Params & ArgObj(increment) & "%20"
Next

cmdline="-U domain\user:password -k -x myproxy.company.org:80 "
&"https://prowl.weks.net/publicapi/add?apikey=MY0000API0000KEY&application=My%20Monitoring&event=Alarm&description="
 & params

x = WshShell.Run("""C:\program files\PRTG Network Monitor\Notifications\EXE
\curl.exe""" & cmdline)

Et voila! :)

I will post the problematic on my blog : http://www.kamshin.com

Created on Mar 19, 2010 9:40:38 PM by  Massimiliano Mortillaro (50) 2 1

Last change on May 5, 2010 8:25:37 AM by  Daniel Zobel [Paessler Support]



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please explain

"I am unable to access PRTG"

Win GUI or WEB GUI? Do both services restart fine with the new credentials?

Created on Mar 19, 2010 9:19:39 AM by  Aurelio Lombardi [Paessler Support]



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Hello Aurelio,

both services restarted correctly with the new credentials yesterday. I reverted it to LocalSystem yesterday, and I tried again this morning. Oddly enough, it is working today!

It however doesn't seems to solve my second problem, which is handling "Execute HTTP Action" through a web proxy. Can this be achieved ?

Thanks, Max

Created on Mar 19, 2010 10:07:56 AM by  Massimiliano Mortillaro (50) 2 1



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HTTP action through a proxy is not possible, sorry.

Created on Mar 19, 2010 10:42:48 AM by  Aurelio Lombardi [Paessler Support]



Accepted Answer

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0

Your Vote:

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UPDATED: See solution below my signature.

Hello, I've fixed the problem. Although it is not possible to use a proxy through PRTG Monitor 7, I've made an Execute EXE program action that solves my problem. I will provide the details and script later, but here is how it works :

I've installed curl in the Notifications/EXE folder, then I've created a BAT file. The EXE sensor passes several variables as an argument to the BAT file, the BAT files processes those and concatenates them into a string (an URL) which is then passed to curl.exe with additional command line parameters to provide curl with a proxy address, username and password of an authorized user to use the proxy (in my case a service account) and finally the HTTP action to perform.

Because this URL is in fact a prowl/growl API command, the URL needs to be passed properly, hence character substitution must be done for & (ampersand) symbols, otherwise the cmd.exe interpreter sees this as an action to run after the first command (command concatenation i.e. run program1.exe & program2.exe & program3.exe)

Passing these variables to the BAT file has one issue though: some of the values passed as parameters to the BAT file by paessler contain spaces, therefore the BAT reads each space as a delimiter to fill the next variable, leading to shifting in the originally desired values. I've already though of a fix for this, I will provide more details here and in my blog later.

Thanks and Best Regards; Max

Update 22.03.2010 >> I modified my action to call a VBS file instead of a BAT file, allowing me smoother work with string concatenation. Please see the VBS script below (edit where needed) :

dim x,Params,increment,ArgObj,cmdline

Set ArgObj=Wscript.Arguments
Set WshShell=Wscript.CreateObject("Wscript.Shell")
Params=""


For increment=0 to ArgObj.count - 1
Params = Params & ArgObj(increment) & "%20"
Next

cmdline="-U domain\user:password -k -x myproxy.company.org:80 "
&"https://prowl.weks.net/publicapi/add?apikey=MY0000API0000KEY&application=My%20Monitoring&event=Alarm&description="
 & params

x = WshShell.Run("""C:\program files\PRTG Network Monitor\Notifications\EXE
\curl.exe""" & cmdline)

Et voila! :)

I will post the problematic on my blog : http://www.kamshin.com

Created on Mar 19, 2010 9:40:38 PM by  Massimiliano Mortillaro (50) 2 1

Last change on May 5, 2010 8:25:37 AM by  Daniel Zobel [Paessler Support]



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