Getting "% Failed to connect to subscription.es.bluecoat.com" error, when trying to download Symantec Intelligence Services (SIS) DB on ProxySG or Advanced Secure Gateway (ASG)
There could also be other errors as:
This can be caused by using a completely invalid IP address during initial configuration. Which is used to create Certificates and backend SSL Profiles used in connection to our servers for update and subscriptions.
The use case for this article is based on:
Other causes in the case of VM appliances can be the need to update the appliance key through the Retrieve license key function
There could be other reasons as well, that troubleshooting should be done for if this is not matching the use case example about an invalid IP on initial configuration. Seeing the invalid IP on the Default Certificate CN, for the validation on this case well.
For this case of use of invalid IP used as cause, the resolution is to Factory Reset the device, using Valid IP address, Default Gateway, and DNS servers on initial configuration steps.
How to restore system defaults on the ProxySG appliance
The ProxySG/ASG then during the pause before getting MGMT Console, will create appropriate SSL Profiles with correct Ciphers and Protocol data to correct be able to communicate with Symantec servers needed.