Known issues
The following issues have been identified in version 6.4.6. To inquire about a particular bug or report a bug, please contact Customer Service & Support.
Anti Virus
Bug ID |
Description |
---|---|
752420 |
If a .TAR.BZ2 or .TAR.GZ archive contains an archive bomb inside its compressed stream, the AV engine will time out. |
Application Control
Bug ID |
Description |
---|---|
787130 |
Application control does not block FTP traffic on an explicit proxy. |
Firewall
Bug ID |
Description |
---|---|
714647 |
Proxy-based policy with AV and web filter profile will cause VIP hairpin to work abnormally. |
719311 |
On the Policy & Objects > Firewall Policy page in 6.4.0 onwards, the IPv4 and IPv6 policy tables are combined but the custom section name (global label) is not automatically checked for duplicates. If there is a duplicate custom section name, the policy list may show empty for that section. This is a display issue only and does not impact policy traffic. Workaround: rename the custom section to unique name between IPv4 and IPv6 policies. |
FortiView
Bug ID |
Description |
---|---|
683654 |
FortiView pages with FortiAnalyzer source incorrectly display a Failed to retrieve data error on all VDOM views when there is a newly created VDOM that is not yet registered to FortiAnalyzer. The error should only show on the new VDOM view. |
GUI
Bug ID |
Description |
---|---|
440197 |
On the System > FortiGuard page, the override FortiGuard server for AntiVirus & IPS Updates shows an Unknown status, even if the server is working correctly. This is a display issue only; the override feature is working properly. |
602397 |
Managed FortiSwitch and FortiSwitch Ports pages are slow to load when there are many managed FortiSwitches. This performance issue needs a fix on both FortiOS and FortiSwitch. A fix was provided in FortiOS 7.0.1 GA and FortiSwitch 7.0.1 GA. |
653952 |
The web page cannot be found is displayed when a dashboard ID no longer exists. Workaround: load another page in the navigation pane. Once loaded, load the original dashboard page (that displayed the error) again. |
688016 |
GUI interface bandwidth widget does not show correct data for tunnel interface when ASIC offload is enabled on the firewall policy. |
695163 |
When there are a lot of historical logs from FortiAnalyzer, the FortiGate GUI Forward Traffic log page can take time to load if there is no specific filter for the time range. Workaround: provide a specific time range filter, or use the FortiAnalyzer GUI to view the logs. |
697482 |
If FortiGate Cloud is not activated, users cannot edit the Log Settings page from the GUI. Affected models: FG-200F and FG-201F. |
699508 |
When an administrator ends a session by closing the browser, the administrator timeout event is not logged until the next time the administrator logs in. |
704618 |
When login banner is enabled, and a user is forced to re-login to the GUI (due to password enforcement or VDOM enablement), users may see a Bad gateway error and HTTPSD crash. Workaround: refresh the browser. |
713529 |
When a FortiGate is managed by FortiManager with FortiWLM configured, the HTTPS daemon may crash while processing some FortiWLM API requests. There is no apparent impact on the GUI operation. |
722832 |
When LDAP server settings involve FQDN, LDAPS, and an enabled server identity check, the following LDAP related GUI items do not work: LDAP setting dialog, LDAP credentials test, and LDAP browser. |
735248 |
On a mobile phone, the WiFi captive portal may take longer to load when the default firewall authentication login template is used and the user authentication type is set to HTTP. Workaround: edit the login template to disable HTTP authentication or remove the href link to googleapis. |
743477 |
On the Log & Report > Forward Traffic page, filtering by the Source or Destination column with negation on the IP range does not work. |
745325 |
When creating a new (public or private) SDN connector, users are unable to specify an Update interval that contains 60, as it will automatically switch to Use Default. |
745998 |
An IPsec phase 1 interface with a name that contains a |
763925 |
GUI shows user as expired after entering a comment in guest management. |
HA
Bug ID |
Description |
---|---|
703047 |
|
740009 |
SFP on HA1 and HA2 interfaces on an FG-1800F and FG-1801F cannot come up in |
779180 |
FGSP does not synchronize the |
Intrusion Prevention
Bug ID |
Description |
---|---|
721462 |
Memory usage increases up to conserve mode after upgrading IPS engine to 5.00239. |
Log & Report
Bug ID |
Description |
---|---|
745310 |
Need to add the MIGSOCK send handler to flush the queue when the first item is added to the syslog queue to avoid logs getting stuck. |
768626 |
FortiGate does not send WELF (WebTrends Enhanced Log Format) logs. |
769300 |
Traffic denied by security policy (NGFW policy-based mode) is shown as |
Proxy
Bug ID |
Description |
---|---|
604681 |
WAD process with SoC SSL acceleration enabled consumes more memory usage over time, which may lead to conserve mode. Workaround: disable SoC SSL acceleration under the firewall SSL settings. |
712584 |
WAD memory leak causes device to go into conserve mode. |
716400 |
Certificate inspection is not working as expected when an external proxy is used. |
722481 |
Proxy-based inspection causes browser to show ERR_CONNECTION_CLOSED message. |
735893 |
After the Chrome 92 update, in FOS 6.2, 6.4, or 7.0 running an IPS engine older than version 5.00246, 6.00099, or 7.00034, users are unable to reach specific websites in proxy mode with UTM applied. In flow mode everything works as expected. |
Security Fabric
Bug ID |
Description |
---|---|
614691 |
Slow GUI performance in large Fabric topology with over 50 downstream devices. |
SSL VPN
Bug ID |
Description |
---|---|
718133 |
In some conditions, the web mode JavaScript parser will encounter an infinite loop that will cause SSL VPN crashes. |
System
Bug ID |
Description |
---|---|
555616 |
When NTurbo is enabled, it is unexpectedly provided with the wrong traffic direction information (from server or from client) to decide the destination for the data. This causes the traffic to be sent back to the port where it came from. |
607565 |
Interface |
648085 |
Link status on peer device is not down when the admin port is down on the FG-500E. |
666664 |
Interface belonging to other VDOMs should be removed from interface list when configuring a GENEVE interface. |
685674 |
FortiGate did not restart after restoring the backup configuration via FortiManager after the following process: disable NPU offloading, change NGFW mode from profile-based to policy-based, retrieve configuration from FortiGate via FortiManager, and install the policy package via FortiManager. |
687398 |
Multiple SFPs and FTLX8574D3BCL in multiple FG-1100E units have been flapping intermittently with various devices. |
705734 |
FWF-40F has random kernel panic with 6.4.4 firmware. |
705878 |
Local certificates could not be saved properly, which caused issues such as not being able to properly restore them with configuration files and causing certificates and keys to be mismatched. |
716483 |
DNS proxy is case sensitive when resolving FQDN, which may cause DNS failure in cases where local DNS forwarder is configured. |
724085 |
Traffic passing through an EMAC VLAN interface when the parent interface is in another VDOM is blocked if NP7 offloading is enabled. Workaround: set the |
728647 |
DHCP discovery dropped on virtual wire pair when UTM is enabled. |
741944 |
The forticron process has a memory leak if there are duplicated entries in the external IP range file. |
747508 |
Default FortiLink configuration on FG-81F running versions 6.4.6 to 6.4.8 does not work as expected. |
751715 |
Random LTE modem disconnections due to certain carriers getting unstable due to WWAN modem USB speed under super-speed. |
Upgrade
Bug ID |
Description |
---|---|
716912 |
SSH access may be lost in some cases after upgrading to 6.2.8, 6.4.6, or 7.0.0. |
User & Authentication
Bug ID |
Description |
---|---|
682394 |
FortiGate is unable to verify the CA chain of the FSSO server if the chain is not directly rooted to FSSO endpoint. |
701356 |
When a GUI administrator certificate, Workaround: manually unset config system global unset admin-server-cert end config system global set admin-server-cert <scep_certificate> end |
VM
Bug ID |
Description |
---|---|
596742 |
Azure SDN connector replicates configuration from primary device to secondary device during configuration restore. |
617046 |
FG-VMX manager not showing all the nodes deployed. |
639258 |
Autoscale GCP health check is not successful (port 8443 HTTPS). |
668625 |
During every FortiGuard UTM update, there is high CPU usage because only one vCPU is available. |
722290 |
Azure slow path NetVSC SoftNIC has stuck RX. If using an IPsec tunnel, use UDP/4500 for ESP protocol (instead of IP/50 ) when SR-IOV is enabled. On the phase 1 interface, use If using cross-site IPsec data backup, use Azure VNet peering technology to build raw connectivity across the site, rather than using the default IP routing based on the assigned global IP address. |
WiFi Controller
Bug ID |
Description |
---|---|
662714 |
The |