Patents by Inventor Jeffrey A. Kraemer

Jeffrey A. Kraemer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Key management for network communication
    Patent number: 5825891
    Abstract: The invention features a method for enabling computers to communicate using encrypted network packets. A configuration request is sent over a network from a first computer to a second computer, and tunnel record information is sent over the network from the second computer to the first computer. The tunnel record information is encrypted in accordance with a temporary configuration password.The invention also features a method for updating a tunnel record. A connection request is sent from a first computer to a second computer, and the first computer is authorized. A tunnel record corresponding to the connection request with the first computer's network address is then updated.
    Type: Grant
    Filed: October 29, 1997
    Date of Patent: October 20, 1998
    Assignee: Raptor Systems, Inc.
    Inventors: Roger H. Levesque, Jeffrey A. Kraemer, Ashok P. Nadkarni
  • Detecting unauthorized network communication
    Patent number: 5798706
    Abstract: Back door packet communication between a workstation on a network and a device outside the network is identified by detecting packets that are associated with communication involving devices outside the network, and identifying packets, among those detected packets, that are being sent or received by a device that is not authorized for communication with devices outside the network.
    Type: Grant
    Filed: June 18, 1996
    Date of Patent: August 25, 1998
    Assignee: Raptor Systems, Inc.
    Inventors: Jeffrey A. Kraemer, Alan J. Kirby, David C. Waterman