WPM and Self Signed Certificates

I'm trying to create a recording for a website with a self-signed certificate. I get

I've tried adding the FQDN and IP from the machine hosting the website to the Hosts file on the Orion server, as suggested in the WPM documentation, but this doesn't seem to work.

The documentation also suggests to configure the recording to Skip Certificate Authority validation... but doesn't explain how to do this.

Can anyone help?

Thanks -- Brent