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Hey there! Tawny from Moz's Help Team here. After doing some quick searching, it looks like how you configure the rules for WAFs depends on what service you're using to host those firewalls. You may need to speak to their support team to ask how to configure things to allow our user-agents. Sorry I can't be more help here! If you still have questions we can help with, feel free to reach out to us at help@moz.com and we'll do our best to assist you.