Custom URL matching on wrong URLs

Cyber Elite


Are you decrypting traffic at all or not? 

L1 Bithead

@BPry Yes, I am for that URL category and a handful of other URLs (none of the ones in the logs I've posted), as well as some non-HTTP services.  However, that's a recent change I made to see if it would fix the problem, but it didn't.



Cyber Elite

Hi @mprintz


What you actually have in this screenshot are connection attempts. In the screenshot there are no urls in the URL column in the monitor tab, so the firewall was not able to apply the url category. But this does not mean that these connections were successfullly established (also because of the app incomplete - I assume the bytes (received/sent) are only a few, not much more that a tcp handshake and a tls handshake).

The firewall has to allow some packets in order to get to the packet where it could allow/deny the traffic based on the actual url.

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L1 Bithead

@vsys_remo Thanks, that makes sense.  I didn't realize the handshake is considered a different session than the data that follows it.  I also moved the rule down in the list (as it's not as frequently used as others) so other rules are hit first.

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