Patent ID: 6253321
Filing Date: 2001-06-26
Classification: H04L

Abstract:
A data processing system for implementing a security protocol based on processing data in packets, said data processing system comprising:packet processing means for storing filter code and processing data packets according to stored filter code, andpolicy managing means for generating filter code and communicating generated filter code to said packet processing means,wherein said packet processing means is arranged to examine, whether the stored filter code is applicable for processing a certain packet, and to communicate such packets for the processing of which the stored filter code is not applicable to said policy managing means,and wherein said policy managing means is arranged to, as a response toreceiving a packet from said packet processing means, eithergenerate filter code applicable for the processing of the packet and communicate the generated filter code to said packet processing means, orprocess the packet by said policy managing means, orprocess the packet by said policy managing means and generate filter code applicable for the processing of the packet and communicate the generated filter code to said packet processing means.