Router having a security function

Details Router having a security function Router having a security function

1997-03-25

1999-07-20

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

370401, 370402, 370420, G06F 704, H04L 1228

Patent

active

059261056

ABSTRACT:
A router having a security function is provided for connecting a local area network (LAN) of a first local area through an interface network to other LAN's of other local areas, the router includes an ID register for preliminarily registering calling-party discrimination codes, and a discriminator for responding to an incoming call only when a calling-party discrimination code incoming through the interface network is determined to be identical to one of the registered calling-party discrimination codes in the ID register, wherein the discrimination code of a calling party from another LAN of another local area is checked to allow only an input from a registered calling party to be connected.

REFERENCES:
patent: 5548578 (1996-08-01), Matsune et al.

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