Any false positives will need to be reported to IT-EntSec queue.
The Enterprise Security Team turned on blocking specific categories of websites at the firewall level beginning September 2017. If a user is asking why a website is being blocked have them look at the “Category” field on the page they have an issue with, then read them the following definition for the type of content being blocked.
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For additional information see Web Page Blocked in Accordance with University Policy
Any false positives will need to be reported to IT-EntSec queue.