Understanding Alerts
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Understanding Alerts

Something has happened on your network and you want NFR to make note of this event.   NFR does this by sending alerts.

Some of the events on your network may not be that significant on their own.   However, if the event happens frequently, it could indicate a problem.  You can configure NFR to send these alerts to a log file, which you review periodically.

Other events on your network may indicate an outage or a possible attack.  You can configure NFR to use other programs on your system to send e-mail, send a fax, or page a systems administrator.

How Alerts Work

The NFR alert system is similar to the UNIX syslog facility. The alert daemon (alertd) accepts messages from other programs on the system and then sends them to various destination facilities.  The NFR alert daemon resolves format strings and destination facilities at run-time. This allows you to customize, redirect, and create alert messages without recompiling or reinstalling NFR.

The NFR alert system can be configured to employ arbitrary programs as destination facilities so that alertd can send faxes, pages, email, or other types of messages with third party software packages.


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