System and method for limiting unauthorized access to a network
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Sep 18, 2003
app pub date -
Oct 22, 2002
filing date -
Mar 15, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A system for limiting unauthorized access to a network comprises an IP assignment system and an access system. The IP assignment system includes a random number generator capable to generate a random number between a minimum and maximum leasing time; and an IP assignment engine, communicatively coupled to the generator, capable to receive, from a client, a request for an IP address, assign an IP address to the client, randomly determine, using the generator, a leasing time for the IP address, and send, to the client, a packet that includes the IP address and leasing time. The access system includes a packet monitoring engine capable to receive a packet sent to a client, the packet including an IP address, a random leasing time and a renewal window; and an access engine, communicatively coupled to the packet monitoring engine, capable to enable the client to access a network and terminate access to the network if a renewal packet is not received during the renewal window.
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