rtichkule
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Staff
‎11-14-2025
Last activity: Nov 14, 2025 9:30:44 AM
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Description This article describes why HA is going out of sync post-upgrading to v7.6.3. Scope FortiOS v7.6.3. Solution After upgrading to v7.6.3, FortiGate HA may become out of sync. This issue is caused by the newly introduced 'zero-day malware str...
Description This article describes the traffic handled by FortiGate when a Ban IP is added. Scope FortiGate. Solution The IP ban feature enforces access control by blacklisting specified source IP addresses, thereby dropping all associated traffic at...
Description This article describes an issue that occurs while disabling the Explicit Web Proxy. Scope FortiGate. Solution While disabling the Explicit Web Proxy under Network, the user may see the 'Entry is used ' error as below: This is due to the r...
Description This article describes the behavior when using Quad9 DNS as FortiGate's DNS server. Scope FortiGate. Solution When using a Quad9 DNS server (9.9.9.9) in FortiGate and selecting TLS as the DNS Protocol, it will display 'Unreachable'. As a ...
Description This article describes how to block iCloud downloads using an Application Signature. Scope FortiGate. Solution iCloud is a cloud service operated by Apple Inc. It enables users to store and sync data across devices. To block the cloud dow...