Custom Category traffic flow issue

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Custom Category traffic flow issue

L1 Bithead

Hello all,


 I have created a custom URL category for a site and have a security policy to allow specific applications to that category but the results are inconsistent and when I review the log, when the traffic was successful the URL Category shows as the custom category and whenever it fails, it shows the URL category as a default PAN category (in this case computer-and-internet-info) despite the destination IP addresses being the same.  I can see the traffic shows as decrypted, it shows the expected application, ports, etc... it's just the resulting category that seems to change. 


 When I do security policy test, the proper rule is returned but live traffic it fails.


Is there something obvious I am missing?




L5 Sessionator

What escape / end characters are you using in your formatting?


See here.

Help the community! Add tags and mark solutions please.


I would also recommend taking a screen shot of the denied traffic logs, and comparing it to the security policy its supposed to hit.



No wildcards or escape characters.  It's a static FQDN in the format of

I did this comparison before the post and it's how I saw that the URL category is different when it's blocked than when it is allowed.


So to use MS Teams as example, say the site is  This URL is added to a custom URL category.  Then in the security policy the application is ms-teams-downloading and ms-teams-uploading, ports are tcp 80/443, URL category is the custom URL category object and I have some basic profiles in the actions tab. 


When traffic goes to the IP for and the application is ms-teams-uploading, traffic is allowed and the log shows the category as the custom URL object.  When traffic goes to the IP for and the application is ms-teams-downloading, the traffic is blocked and the category is the default PAN computer-and-internet-info. 

You need to allow this category computer-and-internet-info as well to resolve the issue.

Adding computer-and-internet-info as an allowed category kind of defeats the purpose of the custom category, doesn't it?  And why does the custom category show for uploading but not downloading?

L0 Member

It wouldn't happen to be version 9.1.8 or similar, would it? If so, we're fighting with the exact same issue.

Not yet... currently it is 8.1.17.  I'm in the middle of updating to 9.1.8 company wide though, so your post doesn't fill me with hope.

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