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Cisco Bug: CSCtd44433 - ASA - 1550 block leaking due to email proxy

Last Modified

Nov 08, 2016

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases


Description (partial)


1550 blocks are locked and not released causing traffic not to work properly through the FW.
ASDM, webvpn and IPSec are also not functional.

The leakage can be noticed by the command show block. You will see the LOW threshold and CNT threshold slowly going to 0

Eventually the firewall might traceback in thread name Dispatch Unit


email proxy is enabled
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  • Status
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