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Method and apparatus to determine user identity and limit access to a communications network

  • US 6,256,739 B1
  • Filed: 11/26/1997
  • Issued: 07/03/2001
  • Est. Priority Date: 10/30/1997
  • Status: Expired due to Term
First Claim
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1. A method of operating an access control system for information retrievable using a communications network, comprising the steps of:

  • receiving at the access control system from a client a first message containing user identity information in accordance with a first protocol, wherein a first network address can be determined from the first message;

    receiving at the access control system from the client a second message containing an information request in accordance with a second protocol, wherein a second network address can be determined from the second message;

    determining at the access control system a requesting user identity based on the first network address, the user identity information and the second network address;

    deciding at the access control system whether to grant the information request based on the requesting user identity; and

    if the information request was granted, then;

    retrieving by the access control system the requested information using one of;

    the communications network; and

    a cache; and

    sending by the access control system the retrieved information to the client.

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