Known issues
The following issues have been identified in version 6.4.8. To inquire about a particular bug or report a bug, please contact Customer Service & Support.
Anti Virus
Bug ID |
Description |
---|---|
665173 | Crash logs are sometimes truncated/incomplete. |
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. |
Explicit Proxy
Bug ID |
Description |
---|---|
803228 |
When converting an explicit proxy session to SSL redirect, traffic may be interrupted inadvertently in some situations. |
Firewall
Bug ID |
Description |
---|---|
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. |
770541 |
Within the Policy & Objects menu, the firewall, DoS, and traffic shaping policy pages take around five seconds to load when the FortiGate cannot reach the FortiGuard DNS servers. Workaround: set the DNS server to the FortiGuard DNS server. |
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. |
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. |
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. |
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. |
742561 |
On the Network > Interfaces page, after upgrading to FortiOS 6.4.7, a previously valid VLAN switch VLAN ID of 0 now displays the error message The minimum value is 2. |
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. |
787565 |
When logged in as guest management administrator, the custom image shows as empty on the user information printout. Workaround: use the regular Guest Management page. |
HA
Bug ID |
Description |
---|---|
779180 |
FGSP does not synchronize the |
Hyperscale
Bug ID |
Description |
---|---|
734305 |
In the GUI, an FQDN or ISDB can be selected for a DoS policy, which is not supported (an error message appears). The CLI shows the correct options. |
760560 |
The timestamp on the hyperscale SPU of a deny policy (policy id 0) is incorrect. |
Intrusion Prevention
Bug ID |
Description |
---|---|
763736 |
IPS custom signature logging shows (even after being disabled) after upgrading to FortiOS 6.4.7. |
IPsec VPN
Bug ID |
Description |
---|---|
726450 |
Local out dialup IPsec traffic does not match policy-based routes. |
777476 |
When FGCP and FGSP is configured, but the FGCP cluster is not connected, IKE will ignore the |
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. |
751358 |
Unable to set source IP for FortiCloud unless FortiCloud is already activated. |
768626 |
FortiGate does not send WELF (WebTrends Enhanced Log Format) logs. |
769300 |
Traffic denied by security policy (NGFW policy-based mode) is shown as |
850642 |
Logs are not seen for traffic passing through the firewall caused by numerous simultaneous configuration changes. |
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. |
REST API
Bug ID |
Description |
---|---|
759675 |
|
Routing
Bug ID |
Description |
---|---|
745856 |
The default SD-WAN route for the LTE wwan interface is not created. Workaround: add a random gateway to the wwan member. config system sdwan config members edit 2 set interface "wwan" set gateway 10.198.58.58 set priority 100 next end end |
748733 |
Remote IP route shows |
Security Fabric
Bug ID |
Description |
---|---|
614691 |
Slow GUI performance in large Fabric topology with over 50 downstream devices. |
789820 |
The csfd process is causing high memory usage on the FortiGate. |
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. |
730416 |
Forward traffic log does not generate logs for HTTP and HTTPS services with SSL VPN web mode. |
744494 |
Memory occupied by the SSL VPN daemon increases significantly while the process is busy. |
768994 |
SSL VPN crashed when closing web mode RDP after upgrading to 6.4.7. |
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. |
648085 |
Link status on peer device is not down when the admin port is down on the FG-500E. |
664856 |
A VWP named .. can be created in the GUI, but it cannot be edited or deleted. |
666664 |
Interface belonging to other VDOMs should be removed from interface list when configuring a GENEVE interface. |
669645 |
VXLAN VNI interface cannot be used with a hardware switch. |
681322 |
TCP 8008 permitted by authd, even though the service in the policy does not include that port. |
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. |
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. |
715978 |
NTurbo does not work with EMAC VLAN interface. |
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. |
732633 |
DNS query timeout log generated for first entry in DNS domain list when multiple domains are added. |
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. |
751044 |
PSU alarm log and SNMP trap are added for FG-20xF and FGR-60F models. |
751715 |
Random LTE modem disconnections due to certain carriers getting unstable due to WWAN modem USB speed under super-speed. |
756713 |
Packet loss on the LAG interface (eight ports) using SFP+/SFP28 ports in both static and active mode. Affected models: FG-110xE, FG-220xE, and FG-330xE. |
758815 |
Connectivity issue on port26 because NP6 table configuration has an incorrect member list. Affected models: FG-110xE, FG-220xE, and FG-330xE. |
764252 |
On FG-100F, no event is raised for PSU failure and the diagnostic command is not available. |
764483 |
After restoring the VDOM configuration, |
767778 |
Kernel panic occurs when adding and deleting LAG members on NP6 models. |
879769 |
If the firewall session is in |
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 |
754725 |
After updating the FSSO DC agent to version 5.0.0301, the DC agent keeps crashing on Windows 2012 R2 and 2016, which causes lsass.exe to reboot. |
778521 |
SCEP fails to renew if the local certificate name length is between 31 and 35 characters. |
823884 |
When a search is performed on a user (User & Authentication > User Definition page), the search results highlight all the groups the user belongs to. |
853793 |
FG-81F 802.1X MAC authentication bypass (MAB) failed to authenticate Cisco AP. |
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. |
794290 |
Failed to load FFW-VM; |
WiFi Controller
Bug ID |
Description |
---|---|
662714 |
The |
783209 |
After upgrading FortiOS from 6.2 to 6.4, a new Workaround: reboot the FortiGate. |