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Systems and methods for domain name resolution interception caching

  • US 8,364,785 B2
  • Filed: 12/09/2009
  • Issued: 01/29/2013
  • Est. Priority Date: 03/12/2007
  • Status: Active Grant
First Claim
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1. A method for performing domain name resolution using interception caching by an intermediary network device, the method comprising:

  • identifying, by an intermediary device, a destination internet protocol address of a first request from a client for a uniform resource locator destined to a server;

    storing, by the intermediary device, the destination internet protocol address of the first request for the uniform resource locator to use as a domain name server (DNS) resolved internet protocol address for the uniform resource locator;

    receiving, by the intermediary device, a second request for the uniform resource locator; and

    transmitting, by the intermediary device, the second request to the destination identified by the destination internet protocol address stored by the intermediary device from the first request of the client as the DNS resolved internet protocol address for the uniform resource locator.

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