Cisco Cisco Content Security Management Appliance M390 Guía Del Usuario
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AsyncOS 8.3.5 for Cisco Content Security Management User Guide
Chapter 14 Common Administrative Tasks
Managing Alerts
Alert Types and Severities
Alert types include:
•
Hardware alerts. See
•
System alerts. See
•
Updater alerts.
Alerts can have the following severities:
•
Critical: issue that requires immediate attention
•
Warning: problem or error requiring further monitoring and potentially immediate attention
•
Info: information generated in the routine functioning of this device
Alert Delivery
Because alert messages can be used to inform you of problems within your Cisco Content Security
appliance, they are not sent using AsyncOS’s normal mail delivery system. Instead, alert messages pass
through a separate and parallel email system designed to operate even in the face of significant system
failure in AsyncOS.
appliance, they are not sent using AsyncOS’s normal mail delivery system. Instead, alert messages pass
through a separate and parallel email system designed to operate even in the face of significant system
failure in AsyncOS.
The alert mail system does not share the same configuration as AsyncOS, which means that alert
messages may behave slightly differently from other mail delivery:
messages may behave slightly differently from other mail delivery:
•
Alert messages are delivered using standard DNS MX and A record lookups.
–
They do cache the DNS entries for 30 minutes and the cache is refreshed every 30 minutes, so
in case of DNS failure the alerts still go out.
in case of DNS failure the alerts still go out.
•
If your deployment includes Email Security appliances:
–
Alert messages do not pass through the work queue, so they are not scanned for viruses or spam.
They are also not subjected to message filters or content filters.
They are also not subjected to message filters or content filters.
–
Alert messages do not pass through the delivery queue, so they will not be affected by bounce
profiles or destination control limits.
profiles or destination control limits.
See a list of alerts and their descriptions
See:
Understand alert delivery mechanisms
See
To Do
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