Troubleshooting Tip: IPS engine manual update fail...

mriswan · 05-28-2025

Description This article explains how to fix the certificate warnings 'ERR_CERT_DATE_INVALID' noticed after upgrading to FortiOS v7.6.3 for web-browsing sessions with deep inspection enabled. Scope FortiGate v7.6.3. Solution Users may notice certific...

mriswan · 04-27-2025

Description This article describes the working flow of offline web-filtering functionality on a FortiGate (for DoT Compliance). Scope FortiGate. Solution Diagram: Working Flow: Configure Static URLs to block using a web-filtering profile and apply it...

mriswan · 01-30-2025

Description This article explains how web browsing traffic flows for IPv6-only hosts when using NAT64 and DNS64. Scope FortiGate. Solution The example below demonstrates a basic IPv6 LAN setup with a DNS64 server. How it works: The user's device send...

mriswan · 12-26-2024

Description This article describes why the extended 'evaluation' license information does not automatically reflect on VM firewalls, despite having proper FortiGuard connectivity. Scope FortiGate-VM firewalls with 'evaluation license'. Solution An ev...

mriswan · 12-23-2024

Description This article describes the order of processing UTM profiles configured in firewall policies. Scope FortiGate. Solution FortiGate applies the inspection profiles in the following order: IPS. Application Control. VoIP. DLP. Antispam. Web Fi...

mriswan · 05-28-2025

Hi, Thank you for reply.Can you check and change the below setting?config firewall ssl settingset cert-manager-cache-timeout 72 <---- adjustable between 24-720 hours, by default it is 72 (3 days)

mriswan · 05-28-2025

Hi,If you FGT is on v7.6, This issue might be related to the certificate manager feature change introduced in v7.6. The new option 'resigned-short-lived-certificate' feature is not working properly with certificate cache-timeout.Please follow below K...

mriswan · 05-28-2025

Hello,If you FGT is on v7.6, This issue might be related to the certificate manager feature change introduced in v7.6. The new option 'resigned-short-lived-certificate' feature is not working properly with certificate cache-timeout.Please follow belo...

mriswan · 05-28-2025

This issue relates to the certificate manager feature change introduced in v7.6. The new option 'resigned-short-lived-certificate' feature is not working properly with certificate cache-timeout.Please follow below KB for workaround:https://community....

mriswan · 09-03-2024

Hello @boneyard , Sorry my bad. The commands I shared are for FGCP. Are you seeing the sync session counts incrementing on the get system ha status output?https://community.fortinet.com/t5/FortiGate/Technical-Tip-FGSP-Configuration-Guide-for-Session-...

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Troubleshooting Tip: How to fix 'ERR_CERT_DATE_INVALID' error for deep-inspected ssl sessions after upgrade to FortiOS v7.6.3

Technical Tip: Working flow for offline web-filtering with a FortiGate

Technical Tip: NAT64- Web Browsing Flow for IPv6 Hosts Using DNS64 server

Technical Tip: Extended 'Evaluation' License details of VM Firewalls not reflecting automatically

Technical Tip: Processing Order of UTM Profiles in FortiGate Firewall Policies

Re: When using proxy based UTM profiles I get Certificate Issues

Re: full isnpection problem

Re: When using proxy based UTM profiles I get Certificate Issues

Re: full isnpection problem

Re: diagnose debug application sessionsync level

Troubleshooting Tip: IPS engine manual update fail...

Re: diagnose debug application sessionsync level

Re: diagnose debug application sessionsync level

Troubleshooting Tip: How to fix 'ERR_CERT_DATE_INV...

Troubleshooting Tip: Log collection for Device det...

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