FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
caunon
Staff
Staff
Article Id 193462
Description
Sometimes, when you want to use the FortiGuard DDNS. But when you go to System >Network >DNS
and you may notice that the check box of the "FortiGuard DDNS" feature shows grey out as following.

CanNotEnableFortiDDNS.png


Solution
Instead, run the following CLI commands to enable use of FortiGuard DDNS.

FGT # config system ddns
FGT # edit 1
FGT # set ddns-server FortiGuardDDNS
FGT # set ddns-domain <name.fortiddns.com>
FGT # set monitor-interface <interface>
FGT # end

For example :

FGT # config system ddns
FGT # edit 1
FGT # set ddns-server FortiGuardDDNS
FGT # set ddns-domain "TAC24.fortiddns.com"
FGT # set monitor-interface "wan1"
FGT # end


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