Customer who's clients Web Filtering service was not being detected by our scan. There is a file in the Data Collector installation folder called url-ignore-patterns.txt . This contains patterns seen on response pages when a web filtering warning is displayed. We currently search for:
restricted website blocked
This text file can be updated to reflect what the response from a blocked domain is. Once the proper pattern response is entered into the text file, the web filtering should be recognized as on and filtering.