The Log Downloads section provides the tools to download firewall session logs in CSV format. The downloaded session log file can be used for further analysis outside of SonicWall Firewall Management. You can download session logs by navigating to Log Downloads tab on the Monitor View.
You can download up to 365 days of session logs using Log Downloads.
Log download is limited by the license on the Firewall. 365 days will be only allowed for firewalls with Advanced 365 days of reporting and analytics.