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DOMAIN BASED AUTHENTICATION SCHEME

  • US 20140123264A1
  • Filed: 01/07/2014
  • Published: 05/01/2014
  • Est. Priority Date: 11/20/2008
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a user terminal including a domain name stub resolver component and a Domain Name Server (DNS) verifier component;

    wherein the domain name stub resolver component is configured to;

    determine whether a local cache of the user terminal includes a translation for a Domain Name Server (DNS) portion of a Uniform Resource Identifier (URI) of a network call;

    responsive to determining that the local cache does not include the translation, send by the user terminal a transmission to a DNS server; and

    responsive to determining that the local cache does include the translation or sending the transmission, obtain a domain name to IP address translation;

    wherein the DNS verifier component is configured to;

    detect when the domain name stub resolver component is provided with a domain name to IP look up request;

    responsive to detecting said providing, obtain an IP address from a predetermined remote service;

    compare the domain name to IP address translation obtained by the domain name stub resolver component to the IP address obtained from the predetermined remote service; and

    determine whether to identify an exception responsive to a result of the comparison.

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