Re: Certificate Unresolvable - SSL Scanner rule set
In my quick testing, "unresolvable" was returned when I disabled blocking of "self-signed" certs (as an example).
So I would guess that this means the Web Gateway was not able to determine if the certificate was valid. A self-signed certificate, a unknown root ca, or incomplete path could be one of the reasons for seeing this.
In this thread, I created a ruleset which logs all blocks recorded by SSL scanner: