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Cisco Bug: CSCvt23931 - Enable "logging permit-hostdown" by default in ASA

Last Modified

Jun 02, 2020

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.12(3) 9.13(1) 9.15(1)

Description (partial)

Symptom:
Unwittingly creating a complete network outage by missing a commonly forgotten syslog configuration line "logging permit-hostdown" and enabling TCP based syslogging to an unreachable syslog server.

Conditions:
Utilizing TCP based syslog within ASA deployment
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