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How to use a user monitor to check websites

August 29, 2023

Contributed by:

C S

You can configure a user monitor to check for specific website problems that are reported by HTTP servers using specific HTTP codes. The following table lists the HTTP response codes that this user monitor expects.

HTTP response code	Meaning
200 - success	Probe success.
503 - service unavailable	Probe failure.
404 - not found	Script not found or cannot run.
500 - Internal server error	Internal error/resource constraints in dispatcher (out of memory, too many connections, unexpected system error, or too many processes). The service is not marked DOWN.
400 - bad request	Error parsing HTTP request.
502 - bad gateway	Error decoding script’s response.

Configure the user monitor for HTTP by using the following parameters.

Parameter	Specifies
scriptName	The path and name of the script to run.
scriptArgs	The strings that are added in the POST data. A backslash (`\`) character in the scriptArgs parameter must be escaped with an additional backslash character for the parameter to work as intended. For example, use `\\n` instead of `\n`.
dispatcherIP	The IP address of the dispatcher to which the probe is sent.
dispatcherPort	The port of the dispatcher to which the probe is sent.
localfileName	The name of a monitor script file on the local system.
destPath	A particular location on the NetScaler appliance where the uploaded local file is stored.

To create a user monitor to monitor HTTP, see Configuring Monitors in a Load Balancing Setup.

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How to use a user monitor to check websites

August 29, 2023

Contributed by:

C S

August 29, 2023

Contributed by:

C S

How to use a user monitor to check websites

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