| 摘要 |
The method involves requesting data from a network via a Clean Surf Server (18) using a predetermined filter criterion and acting as a filter server between an end user computer (12) and the network in order to distinguish unwanted data from data to be tolerated. The method is used in a firewall system (14) to prevent the reception of unwanted contents at several networked computers (10). Independent claims are also included for the following: a method of filtering data for request from a network, a use of the method to filter unwanted sequences from image or tone sequences or videos, a computer program, a computer program product and a computer system containing an arrangement for implementing the method.
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