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07-23-2013 09:19 AM
Hi,
I set up an SSL based custom application for a specific web application in the company.
But when I look at the traffic logs, for every connection to this application I have :
- 1 log that shows traffic as "ssl" application,
- 1 log that shows traffic as my custom application.
07/23 18:11:18 traffic start ssl allow knownuser 680 4
07/23 18:11:18 traffic start custom-app allow knownuser 1,052 7
Is it normal ? Is there a solution to make PAN-OS show just my custom application ?
Thanks
07-23-2013 09:24 AM
When you log at session start as you are doing, you'll see the application as shown at the start of the session rather than after the application has received enough packets to be correctly identified.
In the two you linked, the first (as 'ssl') is showing 4 packets - syn; syn,ack; ack; client hello. That is enough packets to identify it initially as SSL, so we install the session and write the log.
The next entry is 7 packets, and is enough to determine the full application based on the custom app you defined.
In general, a log at session start is good for troubleshooting. It tends to lead to a lot of unnecessary logging other times so I generally only recommend logging at session end so you can see completed information.
Hope this helps,
Greg
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