You see the following error when updating Blue Coat WebFilter (BCWF) using the default URL that uses HTTPS. If you use HTTP, you do not see this error.
Download log:
Blue Coat download at: 2011/04/11 18:11:53 +0000
Downloading from https://list.bluecoat.com/bcwf/activity/download/bcwf.db
Requesting differential update
Fetching:
https://list.bluecoat.com/bcwf/activity/download/bcwf.db?installed_version=311010300
ERROR: Server certificate signed by unknown CA
Requesting full database
Fetching:
https://list.bluecoat.com/bcwf/activity/download/bcwf.db
ERROR: Server certificate signed by unknown CA
Download failed
Install the missing CA Certificate and restart the database download: