AV pattern file updates fail randomly with multiple errors, including:
failed! "default" state HTTP error occured. Status code: 500. Host: av-download.bluecoat.com:443
failed! "default" state Unable to connect with remote host.
failed! "default" state HTTPS client error: server does not reply on handshake
paused: cannot connect to av-download.bluecoat.com:443
The errors above suggest that the ProxyAV appliance is failing to establish an HTTPS connection with the update server. This issue can be resolved by following the steps below: