Cisco Cisco Email Security Appliance C650 Guía Del Usuario
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User Guide for AsyncOS 9.8 for Cisco Email Security Appliances
Chapter 15 Outbreak Filters
Troubleshooting The Outbreak Filters Feature
AsyncOS alerts are generated whenever the Outbreak quarantine’s size goes above 5, 50, 75, and 95 of
the maximum size. The alert generated for the 95% threshold has a severity of CRITICAL, while the
remaining alert thresholds are WARNING. Alerts are generated when the threshold is crossed as the
quarantine size increases. Alerts are not generated when thresholds are crossed as the quarantine size
decreases. For more information about alerts, see
the maximum size. The alert generated for the 95% threshold has a severity of CRITICAL, while the
remaining alert thresholds are WARNING. Alerts are generated when the threshold is crossed as the
quarantine size increases. Alerts are not generated when thresholds are crossed as the quarantine size
decreases. For more information about alerts, see
AsyncOS also generates alerts when rules are published, the threshold changes, or when a problem
occurs while updating rules or the CASE engine.
occurs while updating rules or the CASE engine.
Troubleshooting The Outbreak Filters Feature
This section provides some basic troubleshooting tips for the Outbreak Filters feature.
Related Topics
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Reporting Incorrectly Classified Messages to Cisco
Use the checkbox on the Manage Quarantine page for the Outbreak quarantine to notify Cisco of
misclassifications.
misclassifications.
Multiple Attachments and Bypassed Filetypes
Bypassed file types are only excluded if a message’s only attachment is of that type, or in the case of
multiple attachments, if the other attachments do not yet have existing rules. Otherwise the message is
scanned.
multiple attachments, if the other attachments do not yet have existing rules. Otherwise the message is
scanned.
Message and Content Filters and the Email Pipeline
Message and content filters are applied to messages prior to scanning by Outbreak Filters. Filters can
cause messages to skip or bypass the Outbreak Filters scanning.
cause messages to skip or bypass the Outbreak Filters scanning.