Ad blocking - DD-WRT Wiki
https://wiki.dd-wrt.com/wiki/index.php/Ad_blockingIf you assigned your router a different local IP address, use that instead. 4. In the web interface, click on the Services tab. Enter your DD-WRT router username and password, if prompted. 5. Scroll down to the 'DNSMasq' section. Make sure that DNSMasq bullet and Local DNS bullets are set to 'Enable' that no other DNSMasq options are set. 6.