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mbanica · 10-31-2025

Description This article explains why replay detection errors appear in IPsec logs when an SD-WAN rule uses the Lowest cost (SLA) strategy with Load balancing enabled. Scope FortiGate with: SD-WAN rule configured for Lowest cost (SLA). Load balancing...

mbanica · 10-24-2025

Description This article discusses on how FortiGate units may periodically generate DNS queries for the root zone ('.') toward the configured system DNS servers.These queries can appear in DNS server logs as unusual or invalid and may trigger alerts ...

mbanica · 07-30-2025

Description This article indicates that the Workflow Management feature is only available in NGFW profile mode. The Workflow feature (used for approving and tracking config changes) is tightly integrated with the policy structure. Scope FortiGate. So...

mbanica · 07-25-2025

Description This article describes the ADVPN (Auto-Discovery VPN) feature in FortiGate, which enhances traditional hub-and-spoke VPN topologies. It allows spokes to dynamically build direct tunnels ('shortcuts') to other spokes based on demand, bypas...

mbanica · 05-30-2016

DescriptionIn some network environments implementing policy routes for SIP traffic is needed. A regular PBR would be configured as shown below:config router policy edit 0 set input-device "lan" set src "10.139.109.0/255.255.255.0" set dst "0.0.0.0/0....

mbanica · 01-14-2022

Hello, What port are you using for connecting to the GUI? Standard 443 or different port? Have you tried setting a different port such as 8443 or 7443, for example? Have you tried from different browsers especially after clearing the cache? Please ha...

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Troubleshooting Tip: Replay detection errors when SD-WAN rule uses Lowest cost (SLA) with load balancing enabled

Technical Tip: FortiGate generating periodic DNS queries for the root zone (.)

Technical Tip: Workflow Management not available in NGFW policy-mode

Technical Tip: Disable shortcut creation between spokes in ADVPN

Technical Note: Policy routes for SIP traffic. Destination being replaced by Gateway.

Re: Unable to Backup config

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