Method circuit and system for remotely updating a network appliance
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United States of America Patent
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N/A
Issued Date -
Nov 30, 2006
app pub date -
May 31, 2005
filing date -
May 31, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method is provided, for remotely updating information to, and controlling, a network appliance, which resides in a private location behind a network address translator ('NAT'), from a remote update server ('RUS') that resides in a public location, the Internet Protocol ('IP') address of, and a destination port number on, the RUS being known to the network appliance. The NAT may intermittently forward from the network appliance initialization messages that may be received at the RUS via its destination port. Responsive to the initialization messages being received at the RUS, the RUS may determine the source IP address and port number on the NAT from which the messages were received and send update data and/or control signal(s) via the destination port to the port number on the NAT. The NAT may then forward the update data and/or control signal(s) to the network appliance based on a corresponding address binding that is activated by the NAT The intermittent transmission of the initialization messages maintain the address binding for as long as necessary to complete communication/control sessions between the RUS and the network appliance.
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