Address reporting device and method for detecting authorized and

Details Address reporting device and method for detecting authorized and Address reporting device and method for detecting authorized and

1996-03-19

1998-09-29

Bowler, Alyssa H.

Multiplex communications

Wide area network

Packet switching

39520047, 39520048, 39520049, 39520058, 39520079, 370392, 370393, G06F 1300

Patent

active

058156640

ABSTRACT:
An address reporting device receives a query for an address corresponding to a machine name of a machine on a first network, from a second network. The address reporting device accesses name servers so as to determine whether or not the address corresponding to the machine name designated in the query is an unauthorized address. If it is determined that the address corresponding to the machine name designated in the query is an unauthorized address, the address reporting device searches an address pair register table and/or an address mapping table stored in a router equipped with address translation function so as to specify an appropriate authorized address corresponding to the unauthorized address and prepares an address pair formed by the specified authorized address and the unauthorized address. The address pair is registered in the address pair register table. The address reporting device returns the authorized address forming the pair to the second network.

REFERENCES:
patent: 5124984 (1992-06-01), Engle
patent: 5526489 (1996-06-01), Nilakantan et al.
patent: 5548646 (1996-08-01), Aziz et al.
patent: 5568487 (1996-10-01), Sitbon et al.
patent: 5636216 (1997-06-01), Fox et al.

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