New features in FortiOS 5.2.9
Most development work in FortiOS 5.2.9 involved resolving issues. However, there were a few new features as well.
Last session information saved in a crash log when an IPS engine crash occurs (378252)
Changes to FortiOS IPS and to the IPS engine version 3.170 now cause FortiOS to save a crash log with the last session information when an IPS crash occurs. This information can be used by Fortinet support to diagnose the cause of the crash.
Dynamic Frequency Selection (DFS) support added to the FortiAP-321C (369052)
FortiOS 5.2.9 now supports DFS for the FortiAP-321C.