Why is the application "​​​​​​​smtp-starttls" not getting identified under traffic logs

Why is the application "​​​​​​​smtp-starttls" not getting identified under traffic logs

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Created On 06/23/22 21:34 PM - Last Modified 06/29/22 03:11 AM


Question


Why don't we no longer see traffic identified as  smtp-starttls ?
 

Environment


  • Any Palo Alto Firewall 
  • Supported Pan-OS

Answer


  1. Palo Alto Firewalls do not identify the application smtp-starttls  as "smtp starttls"when it passes through the firewall
  2. This application is identified as smtp-base.
  3. The application is still kept in metadata and can be seen under the application tab on GUI ( GUI: Objects > Applications)
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