Method for operating a local computer network connected to a...

Details Method for operating a local computer network connected to a... Method for operating a local computer network connected to a...

2011-01-11

2011-01-11

Ryman, Daniel J (Department: 2466)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S392000, C370S397000, C370S399000, C370S401000, C713S152000, C713S153000

Reexamination Certificate

active

07869451

ABSTRACT:
The invention relates to a method in particular enabling the computer terminal (T_L) of a local network (RES_L), connected to a gateway (PASS_D) of a remote network (RES_D) by an IPsec tunnel in blocking mode, to launch a print job on a printer (E_L) belonging to the local network. To do this, the gateway (PASS_D) stores the correspondence between the public address (AD_1) of the local router (ROUT_L) providing the connection of the terminal to the Internet, and the private address (ad_3) assigned to the terminal (T_L) in the addressing plan of the remote network (RES_D) during the establishment of the tunnel, and sends the print flow to the local router (ROUT_L), which directs it to the local printer (E_L) by a port translation technique.

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