While configuring a SharePoint farm for a client the other day, I came across a simple but problematic error with search.  We had requested a full SSL certificate for the farm, but I was a self-signed certificate so I could work with the site.  After configuring search content sources and I kicked off a full crawl, I got this error in the crawl log:

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“The secure socks layer (SSL) certificate sent by the server was invalid and this item will not be crawled.”

Wells that’s a bummer.  Luckily there’s an easy fix.  What you need to do is configure search to “Ignore SSL certificate name warnings” via Central Administration.  TechNet has the documented steps.  After making this change and running a full crawl, voilà!

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Success!  Of course you should get an official SSL certificate, but sometimes you get by with what you have.