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Requesting web pages and content rating information

  • US 10,033,830 B2
  • Filed: 07/14/2016
  • Issued: 07/24/2018
  • Est. Priority Date: 05/24/2004
  • Status: Active Grant
First Claim
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1. A method for filtering a service request, the method comprising:

  • receiving a content rating domain name service (CR DNS) request for accessing a service at an authoritative server, the request sent from a computing device communicatively coupled to the authoritative server and a host computer having access to data related to the request that includes content rated by content rating information, wherein the data related to the request is to be sent to the computing device before a CR DNS response is received at the computing device;

    executing instructions stored in memory, wherein the execution of the instructions by a processor of the authoritative server;

    extracts a domain name or a Uniform Resource Locator (URL) from the request;

    retrieves the content rating information relating to the request from a database coupled to the authoritative server, the retrieved content rating information based on the extracted domain name or URL;

    encrypts the retrieved content rating information into the CR DNS response; and

    sets a flag in the CR DNS response, the flag indicating that the CR DNS response is to be passed via a specified set of one or more DNS servers; and

    sending the CR DNS response to the computing device via the network interface and via the specified set of one or more DNS servers based on the flag set in the CR DNS response, wherein the data related to the request is sent to the computing device before the CR DNS response is received at the computing device and client access to the data related to the request is either allowed or is blocked based on the content rating information included in the CR DNS response.

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