Troubleshooting Tip: How to fix 'SSL connection is...

esalija · 05-16-2025

Description This article describes the error code -23 case while deleting a custom ISDB. Scope FortiGate. Solution When trying to remove an entry in an 'internet-service-custom' object, it fails with the following error: config firewall internet-serv...

esalija · 04-03-2025

Description This article describes an issue where, when using the DHCP option 125 to get an IP address for the phones, a Malformed Packet Exception occurs. Scope FortiGate. Solution DHCP Options allow for the configuration of various parameters for D...

esalija · 03-06-2025

Description This article describes an issue where, after FortiOS v7.4.6, users who use their email addresses for activation of the FortiToken Mobile receive the same email address as both the sender and receiver. Scope FortiGate. Solution When using ...

esalija · 02-20-2025

Description The article describes how to bring up SFP ports 17 - 24 (1G) when trying to connect FortiGate 120G/121G with the FortiSwitches. Scope FortiGate, FortiSwitch. Solution From the output of the FortiGate 121G for port 21 noticed that the Link...

esalija · 01-02-2025

Description The article describes how to fix 'Server certificate failed verification. Error: 20 (unable to get local issuer certificate)' received in the FortiGuard Updates Scope FortiGate, FortiGuard. Solution The FortiGate HA cluster can not connec...

esalija · 03-25-2025

Dear @Giovanna, Thank you for the reply! Did you notice the traffic that is flowing into FGT from Sniffer commands? # diag sniffer packet any "host and host " 4 0 l Best regards, Erlin

esalija · 03-23-2025

Dear @Giovanna , Please run the debug command to check the traffic flow and the firewall policy that is matching: # diagnose debug disable # diagnose debug flow filter addr and # diagnose debug flow show function-name enable # diag debug flow show ...

esalija · 01-06-2025

Hi @DannyC624 , Please follow the KB which is related to your error - https://community.fortinet.com/t5/FortiGate/Troubleshooting-Tip-SSL-VPN-certificate-issues-from-FortiClient/ta-p/356946 Best regards, Erlin

esalija · 12-12-2024

Hi @slimsellami Did you configure a firewall policy? Is the traffic hitting the proper firewall policy? Please can you provide us with the Forward logs? Log & Report > Forward Traffic (try to reproduce the issue with the specific user IPs) Best regar...

esalija · 11-18-2024

Hi @ZAHIDHASEEB Did you followed the tip: Putting 'space' after '*' on an expression will result in a wildcard match of all URLs. Example: * yahoomail.com <-- There is a space between * and yahoomail. - Please can you provide us with the logs when yo...

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Technical Tip: Error code -23 when deleting Custom Internet Service DataBase (ISDB)

Troubleshooting Tip: Mitel IP Phones not getting an IP address when using DHCP Option 125

Troubleshooting Tip: After v7.4.6, the FortiToken Mobile Activation emails have the same sender and receiver

Technical Tip: 1G SFP ports in not comming up for the FG 120G/121G

Troubleshooting Tip: How to fix 'Server certificate failed verification. Error: 20 (unable to get local issuer certificate)' received in the FortiGuard Updates

Re: Firewall Policies created not working

Re: Firewall Policies created not working

Re: SSLVPN Error: Code=-30001010(v1.0.1041)

Re: IPSEC VPN tunnel

Re: Wildcard for web filter

Troubleshooting Tip: How to fix 'SSL connection is...

Technical Tip: High CPU usage is triggered from IP...

Technical Tip: How to perform multiple certificate...

Technical Tip: Configure a new policy with an Auto...

Technical Tip: The HA Cluster requirements

Re: interface down!

Re: Is there any difference between the fortiguard...

Re: Fortiguard SSL gateways

Re: Flow based or proxy based

Re: Fortigate DDNS

KCS

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