DNS conditional forwarding

 

Configuration:

DNS:

config system dns

    set primary 96.45.45.45

    set secondary 96.45.46.46

end

DNS Database:

config system dns-database

    edit "Internal_domain"

        set domain "sumit.com"

        set authoritative disable

        set forwarder "14.140.40.11"

        set source-ip 14.140.40.108

    next

end

Policy:

config firewall policy

    edit 1

        set name "Allow_traffic"

        set uuid 90248244-630d-51ef-0a66-828b226eb40b

        set srcintf "port3"

        set dstintf "port1"

        set action accept

        set srcaddr "all"

        set dstaddr "all"

        set schedule "always"

        set service "ALL"

        set nat enable

    next

end