Filtering for public databases with naming ambiguities

Details Filtering for public databases with naming ambiguities Filtering for public databases with naming ambiguities

1999-06-08

2000-07-18

Hua, Ly V.

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Protection at a particular protocol layer

713200, G06F 1300

Patent

active

060922044

ABSTRACT:
Multiple approaches are used with a filter to handle naming ambiguities when requesting access to a plurality of network resources through a public network such as the Internet. One approach is to consider responses from the public network as well as requested URLs in determining whether to allow or deny resources. The response information used may include header information or the resource itself. If the header information includes a new URL, the new URL can be forwarded to the requester, or submitted to the public network. A permission database is queried to determine whether a resource corresponding to the new URL should be forwarded to the requestor. A checksum database can also be used to determine if a specific resource should be forwarded to the requestor. Another approach is to record and maintain a database of aliases for URLs. When a URL is requested, the alias URLs are determined for that URL. The alias URLs can then be queried in the permission database to determine if the resource corresponding to the aliases can be accessed by the requesting terminal before the URL is requested from the public network.

REFERENCES:
patent: 5678041 (1997-10-01), Baker et al.
patent: 5696898 (1997-12-01), Baker et al.
patent: 5884033 (1999-03-01), Duvall et al.

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