Web Content Filtering is blocking ajax.googleapis.com which hosts jQuery etc

Question

We have a pretty standard Web Content Filter Policy set up, but today it's started blocking the ajax.googleapis.com domain which hosts jQuery and a bunch of other JavaScript libraries.

Here's the block messages:

In the Defender logs we see the block also

Seems like a pretty obvious false positive.

marnik · Answer

This false positive could have significant impact.Can you temporarily allow the domain and thereby overrule the WCF policy?Is there a way to report the FP to Microsoft for recategorization?

duncan_smart · Answer

Hi Marnik, you're right, this could cause significant issues. I found the offending item in Defender portal Reports > Web protection > Web content filtering categories details > Domains:

I will dispute it according to the docs.

marnik · Answer

Marked as illegal software.. interesting 🙂 I'm having illegal software blocked as well, somehow its not triggering on ajax.googleapis.com .. (luckily)

beewolf16 · Answer

Seeing the same behavior here too. Sent dispute as well.

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Web Content Filtering is blocking ajax.googleapis.com which hosts jQuery etc

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