Apache Alerts

To create alerts for a certain Apache web server, select its host in System Tree and choose Setup Monitoring Profile menu item. Check Create Alerts item for the Apache Web Server monitoring group in the Monitoring Profile Setup window. You can create one or more alerts by adding alert records to the configuration table and specifying their type, name, description, and parameters.

Available alerts are:

	Status Code	Short Description	SNMP Variable
Alert Name	Triggering Condition			Notes
Apache Requests Overload (SNMP)	Requests Per Second metric of Apache web server exceeds the specified threshold.			Use Setup Monitoring Profile action, Apache group to create. Available for SNMP-compliant devices only. Alert parameters include: Threshold (number of requests per second), Check Period, Delay, and Alert Level.
Apache Traffic Overload (SNMP)	Number of kilobytes per second transferred metric of Apache web server exceeds the specified threshold.			Use Setup Monitoring Profile action, Apache group to create. Available for SNMP-compliant devices only. The alert is triggered when number of kilobytes per second transferred by an Apache server (`serverKBytesPerSec`) exceeds the specified threshold.
Apache Busy Workers (SNMP)	Total number of busy processes metric of Apache web server exceeds the specified threshold.			Use Setup Monitoring Profile action, Apache group to create. Available for SNMP-compliant devices only. The alert is triggered when a total number of Apache's busy processes (`busyWorkers`) exceeds the specified threshold.
Apache HTTP Error (SNMP)	A new HTTP error of the specified type is generated by Apache web server. The alert functions by monitoring value of SNMP variables representing HTTP error counts (see the table below) and raising when the count is changed. Iotellect Network Manager can monitor the following HTTP errors (see Status Code Definitions section in Hypertext Transfer Protocol -- HTTP/1.1 for details about HTTP status codes):			Use Setup Monitoring Profile action, Apache group to create. Available for SNMP-compliant devices only. Alert parameters include: HTTP Error, Check Period, Delay, and Alert Level.
	400	BAD REQUEST	`httpError400`
	403	FORBIDDEN	`httpError403`
	404	NOT FOUND	`httpError404`
	405	METHOD NOT ALLOWED	`httpError405`
	500	INTERNAL SERVER ERROR	`httpError500`
	501	NOT IMPLEMENTED	`httpError501`
	505	VERSION NOT SUPPORTED	`httpError505`

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