Fortigate’s logging typically isn’t the best - but it’s bad when you have no logs at all, which seems to be the default. To enable logging on fortigate models with an internal SSD/HDD use the following command:

config log disk setting
set status enable

You can now collect and view your logs in the Log & Report section.

N.B. As of FortiOS 5.2 this has been disabled on all SMB class (100D and below) units. You will need to use memory logging or export to syslog.

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