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Cisco Bug: CSCul95853 - Tarpitting levels 75-85 fails to slow injections

Last Modified

Nov 12, 2016

Products (1)

  • Cisco Email Security Appliance

Known Affected Releases

7.6.3-019 8.5.0-000

Description (partial)

Symptom:
ESA memory usage balloons out too fast, under heavy injection load.

Conditions:
Our mechanism for slowing down email injections to avoid memory exhaustion is not working.  This results in unnecessary injection failures, and in extreme cases, our email process can crash.
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