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Certificate Unresolvable - SSL Scanner rule set

Can anyone explain what all the Certificate Unresolvable are and how they are getting logged?

I can't find anything in the SSL Scanner rule set that is incrementing the counter.

is this bad?

9-22-2011 3-02-44 PM.png

2 Replies

Re: Certificate Unresolvable - SSL Scanner rule set

I'm trying to determine this as well, did you by chance get clarification on what the "unresolvable" represents?

McAfee Employee jscholte
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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:

This was then turned into a ruleset in the online ruleset library:

You could log these incidents then perhaps correlate them to the spikes if you wanted.



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