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Cisco Bug: CSCvt41357 - "no logging permit-hostdown" does not block connections when syslog host is inaccessible

Last Modified

Sep 19, 2020

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.12(3) 9.12(3.2) 9.13(1) 9.13(1.2) 9.14(0.110)

Description (partial)

The ASA will fail to block traffic if the TCP syslog host (receiver) is inaccessible to the ASA.

Logging enabled in the ASA configuration ("logging enable"). At least one syslog host configured with TCP transport ("logging host [interface] [ip address] 6/[port]"). The command "logging permit-hostdown" absent from the ASA configuration.
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