Solution #00006614
Answer:
Please ensure that the Barracuda Web Filter is running firmware version 7 or higher.
There are specific requirements as to how the traffic traverses the filters services and engines,
Please see these articles, above and below, for a chart to explain this better so you may verify if a
block page may or may not show up in your scenario.
https://techlib.barracuda.com/display/BWFV60/Block+Pages%2C+SSL+Inspection+and+HTTPS+Filtering
Link to this page:
https://campus.barracuda.com/solution/501600000013m2cAAA