Sites being blocked since upgrading to FortiOS 6

[rg2017]

Hello,

We've upgraded to FortiOS 6 on 4/27. We are seeing a strange bug where random sites will be blocked. The FortiGate will present a FortiGuard web filter block screen with no category. I found the following message in the web filter logs for each of the blocked sites. I haven't configured any URL filter lists; especially ones that include blocking of our major customers' sites. 

I did find that refreshing the screen would load the site. I'm assuming this is a bug. I've submitted a ticket to FortiNet and they are "researching" the problem.

Has anyone else seen this problem with release 6?

Thanks,

Rod

[tymk]

Hi,

yes we have the same problem. Reloading the page helps. But sites get blocked randomly in the first place.

We had de deactivate web filtering.

The problem occurred after upgrading to FortiOS 6.0