Hi Nalin, As mentioned in my response, URLs that are initially categorized as unknown in PAN-DB should be categorized within a couple of days, as there is an automatic process that goes through all unknowns that hit our server. As you've noticed, using BrightCloud may have its own set of problems, but if you still have a valid PAN-DB license, I would suggest you take a look and see if your unknown URLs eventually do get assigned a category. Based on your feedback, I'm assuming that you are blocking the "unknown" category. If this is done to minimize security issues, I have seen some customers allow (alert) on this category, but prevent any file downloads. Similarly, you can also allow (alert) unknowns, unless they are from a certain country. You should obviously decide what is best for your network, but perhaps others on this board can chime in on what their strategy is for dealing with unknowns. --Doris
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