METHOD AND SYSTEM FOR ANALYZING A DATA FLOW

A method for analyzing a data flow includes extracting packet information of a packet of the data flow, determining the status of the packet and the status of the data flow based on the extracted packet information arid storing the packet for later inspection when the status of the packet and/or the...

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Bibliographische Detailangaben
Hauptverfasser:	ORRU MICHELE, PICIERRO GIULIO, DUSI MAURIZIO, NICCOLINI SAVERIO, BIANCHI GIUSEPPE, PAOLILLO RICCARDO
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	A method for analyzing a data flow includes extracting packet information of a packet of the data flow, determining the status of the packet and the status of the data flow based on the extracted packet information arid storing the packet for later inspection when the status of the packet and/or the status of the data flow indicate that the packet is out-of sequence, and inspecting the packet and/or the stored packet based on inspection rules. Upon a partial match of at least one of the inspection rules with the extracted packet information, a result of the inspection of the packet is temporarily stored. Already stored packets are inspected when they are in-order with already inspected packets. Upon a total match of at least one of the inspection rules, a predetermined action is performed and the stored result is deleted.