When configured for logging, the Palo Alto Networks firewall records configuration changes, system events, security threats, traffic flows, and alarms generated by the device.
The following logs can be cleared on the Palo Alto Networks device:
To clear the logs through the WebGUI.
PAN-OS 6.0,6.1,7.0 showing the Manage Logs screen.
PAN-OS 7.1PAN-OS 7.1 showing the Log Settings - Manage Logs screen.
To clear the logs from the CLI, enter the following command:
> clear log <log name>
Where the log name is:
Note: Clearing the threat log also clears the URL log.
Clearing the logs should not be service impacting.
In the event that any of the logs are not flowing after clearing the logs, you may want to restart the management server process with the following command:
PAN-OS 6.0, 6.1
> debug software restart management-server
PAN-OS 7.0, 7.1
> debug software restart process management-server
Please see this article for complete details.
How to Restart the "mgmtsrvr" Process
If that does not restore the logs, please contact support.