How to use OpenDNS IP as DNS in fortigate firewall

[bhhussain]

Dear,

I would like to use Opendns as a DNS in Fortigate 60F firewall. I am using PPPoE and the dns obtained from the ISP.  I would like to edit and use Opendns. I checked DNS option under the network and it is not been used when I check Ipconfig/all in client system. Kindly help. Thank you

[AEK · Accepted solution]

Hello

Simply configure your DHCP server to give your clients OpenDNS IP as DNS server.

If you also need to deny clients from using other DNS servers, add a firewall rule to deny DNS traffic towards any destination other then OpenDNS.