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Month: March 2018

FortiGate as a DNS slave to a Windows AD DNS Master v5.4

FortiGate as a DNS slave to a Windows AD DNS Master v5.4

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This post goes over how to setup a FortiGate firewall as a slave DNS server to a Windows DNS master.  This is a great feature to enable for branch offices or even as basic redundancy to a single Windows DNS server. Starting on the Windows DNS Server: Launch DNS Manager Double click on the zone you want to replicate and locate the SOA record and edit it. Go to the Zone Transfer tab and enable zone transfers.  You can leave…

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FortiGate WAN Link Monitor v5.4

FortiGate WAN Link Monitor v5.4

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You’ve setup your FortiGate and have multiple Internet providers.  You are using basic failover for your providers, you want to monitor the links to automate the failover but you don’t want to setup SD-WAN or WAN LLB. What you want is link-monitor, or what used to be called ping server detect. With link-monitor setup, when the target detects a failure the routes for WAN1 will be deleted and traffic will go to WAN2.  When the target detects success the routes…

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