xFi Advanced Security is Blocking My Website - XFinity

I launched a new Squarespace site last week and am getting this error message:


I disabled Advanced Security but that doesn't solve the problem. Everyone visiting this site from Xfinity Wifi is getting blocked: Christina Loff - Marketing Solutions for Creative Businesses

What is happening to me is the same as what is being described here:

Solved: xFi Advanced Security is blocking my company's website - Xfinity Help and Support Forums - 3305727

Yet, I can't post to this thread and I cannot connect with the techs who have solved this for other users. They are:

PLEASE help me. I have spent over an hour on the phone with techs who can't understand how to fix this.

This question, "xFi Advanced Security is Blocking My Website," is about XFinity-Comcast TV Television Apps.

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