Calix, Inc.
Device specific website filtering using a bifurcated domain name system

Abstract:

Systems and techniques for location independent website filtering using bifurcated domain name system are described herein. A domain name system (DNS) request may be received. A unique device identifier may be received for the requesting device. The ISP may provide external network services to the services gateway. The DNS service provider may maintain a website filtering policy. The DNS request may be forwarded to the DNS service of the ISP. The DNS service of the ISP may respond with a DNS resolution. An access control request may be forwarded to the DNS service provider external to the ISP. A website filtering policy associated with the device identifier may be used to determine website access. The DNS service provider external to the ISP may respond with a grant/block status. Based on the returned grant/block status, the services gateway may respond to the requesting device with the DNS resolution or access denial.