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This is a list of all current license validation and download servers the ICSP Products will need to be able to access for product and pattern updates.

Make sure to allow access to these in your proxy and/or firewall.

http://cdnup.bluecoat.com
http://cdnpa.bluecoat.com
http://bcnas03-license.bluecoat.com
http://bcnas04-license.bluecoat.com 
http://bcnas05-license.bluecoat.com 
http://bcnas06-license.bluecoat.com

Telemetry:

http://telem.bluecoat.com

Remotesupport:

rtsupp.bluecoat.com tcp port 443, 22 or 80
ftpno.bluecoat.com tcp port 443