Method for establishing secure communication link between computers of virtual private network
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United States of America Patent
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Nov 30, 2004
Grant Date -
May 27, 2004
app pub date -
Nov 7, 2003
filing date -
Oct 30, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A technique is disclosed for establishing a secure communication link between a first computer and a second computer over a computer network. Initially, a secure communication mode of communication is enabled at a first computer without a user entering any cryptographic information for establishing the secure communication mode of communication. Then, a secure communication link is established between the first computer and a second computer over a computer network based on the enabled secure communication mode of communication. The secure communication link is a virtual private network communication link over the computer network in which one or more data values that vary according to a pseudo-random sequence are inserted into each data packet.
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