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edyrmishi
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‎10-29-2025
Last activity: Oct 29, 2025 11:05:03 AM
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Technical Tip: Traffic forwarding issues over IKEv2 IPsec tunnel using AES256-SHA512 proposal

10-27-2025
Description This article describes an issue where traffic fails to pass correctly through an IKEv2 IPsec tunnel when both Phase 1 and Phase 2 proposals are configured as aes256-sha512.The problem has been observed after upgrading FortiClient to versi...

Technical Tip: FortiView SD-WAN widgets showing no data in FortiAnalyzer

09-29-2025
Description This article describes the FortiGate-side changes that commonly restore missing SD-WAN information in FortiAnalyzer's FortiView SD-WAN widgets. Scope FortiGate, FortiAnalyzer. Solution Even if FortiAnalyzer successfully receives SD-WAN lo...

Technical Tip: IPsec VPN flapping, DPD/ESP (unknown SPI) errors due to HA split-brain

08-26-2025
Description This article describes a specific scenario where, due to an HA split-brain scenario, an IPsec tunnel flaps and repeated rekey/ESP SPI mismatches are noticed. Scope FortiGate HA. Solution If repeated Received ESP packets with unknown SPI e...

Technical Tip: How to safely delete Local-in Policies when SSL VPN with a Geo-Location restriction is applied

06-24-2025
Description This article describes how to safely remove local-in policies that restrict SSL VPN connections on the FortiGate to specific countries using GEO-IP address objects. It emphasizes the importance of deleting these policies in the correct or...

Technical Tip: Web GUI crashes when editing the Security Profiles containing forward slashes in FortiOS v7.4.x

05-27-2025
Description This article describes a specific issue that occurs when editing security profiles with forward slashes in their names in the FortiOS v7.4 branch. Attempting to modify such profiles via the GUI results in the entire webpage becoming unres...
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