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Cisco Bug: CSCuq26720 - errors with invalid hostname after upgrade

Last Modified

Nov 27, 2020

Products (1)

  • Cisco IronPort Email Security Appliance Software

Known Affected Releases

8.5.6-074 8.5.6-092

Description (partial)

After upgrade to AsyncOS 8.5.6-074 (GA to GA) you may receive a Warning Message:

Unable to connect to Cisco Web Security Service.
URL Filtering will not work correctly.
Please verify all network, proxy and firewall settings.
Connection to "" failed.
The last error seen on this connection: "Request failed with code: 6 (Couldn't resolve host '')"

Version: 8.5.6-074

Upgrade to AsyncOS 8.5.6-074
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