Known issues

This section lists the known issues in FortiDDoS-F 6.1.1 release. For inquiries about particular bugs, please contact Fortinet Customer Service & Support.

Bug ID	Description
626478	Trusted Hosts are not checked if LDAP/RADIUS/TACACS+ external authentication is used.
668077	RADIUS and other external authentication 2FA is not available in 6.1.1.
670473	The "TCP Session Idle Timeout" for IPv6 is fixed at 528 seconds.
672585	Very small, invalid DNS packets may be dropped even when no DNS Anomalies are enabled with no logging.
676495	The Monitor > Layer 3 > Other: Fragmented Packets graph does not show Thresholds for TCP/UDP/Other Fragments.
677407	After a large IP or Domain Blocklist has been successfully uploaded to FortiDDoS, there is no indication that it is present on the system (no count of entries and no ability to search for an entry). Download will download the list as a text file to confirm.
678433, 678434	Release 6.1.1 does not support LDAPS/STARTTLS
678445	Purging a large number of ACLs from an SPP can take more than 30 seconds with no progress indication.
679309	When configured with large numbers of ACLs and wide attacks across all ACLs, all logs may not show.
692550	Under heavy attack load, graphing may lag.
680412	The last x-axis label on the Dashboard Drops Graph is not always displayed.
685605	Under heavy flooding system may show DQRM memory drops when DQRM table is not full.
688477	Under very heavy, sustained flooding across a wide range of parameters, reporting may be delayed.
690017	For FDD-200F and FDD-1500F: After creating a Service Protection Profile, you may see event logs like this: SPP:sp3 RRD Mismatch, expected : 227 but got :110 These are harmless and can be ignored.
693817	Failed LDAP logins don't provide information on the failure.
693789	When FDD-VM is operating on a virtual machine and underlying hardware supporting supporting SR-IOV, it is unable to disable the data ports.