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METHODS, SYSTEMS, AND COMPUTER PROGRAM PRODUCTS FOR ACCESS CONTROL SERVICES USING SOURCE PORT FILTERING

  • US 20110154469A1
  • Filed: 12/17/2009
  • Published: 06/23/2011
  • Est. Priority Date: 12/17/2009
  • Status: Abandoned Application
First Claim
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1. A method of controlling access to a protected server, the method comprising:

  • receiving an authentication request message at an authentication server computer, the authentication request message identifying a requesting client device;

    authenticating the authentication request message at the authentication server computer; and

    responsive to authentication of the authentication request message, determining a source port for a redirected communication between the requesting client device and the protected server and transmitting an access authorization message identifying the determined source port from the authentication server computer to a blocking device that controls access to the protected server.

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