#Config system interfaceThen, it can be added as a source-ip to the local service.
edit "local-interface"
set vdom "root"
set ip x.x.x.x 255.255.255.255
set type loopback
next
end
#Config sys fortiguardDNS system:
set source-ip x.x.x.x
end
#config sys dns
set source-ip x.x.x.x
end