Security between client and server in a computer network
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United States of America Patent
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-
Dec 31, 2002
Grant Date -
N/A
app pub date -
Sep 3, 1998
filing date -
Sep 3, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
Improved security between a client and a server in a computer network is provided by allowing either endpoint (the client or the server) to initiate request messages. In this way, it is possible to configure the system so that the server always makes the opening move of negotiation, allowing the location of the server to remain hidden until a legal session is established. Dynamic relocation of the server further hides the location of the server from unauthorized users. Additionally, each message may be authenticated individually as it is received, with the endpoint making no response to an unauthentic message, thus preventing attacks on its security. Finally, negotiation of both the encryption method and the key used in the encryption process allows for the rapid reconfiguration of encryption to protect against unauthorized users who may have broken the code.
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