FIREWALL METHOD AND APPARATUS FOR INDUSTRIAL SYSTEMS

FIREWALL METHOD AND APPARATUS FOR INDUSTRIAL SYSTEMS

Methods and apparatus for controlling access in an electronic network include receiving a communication from a source device, the communication comprising a first protocol packet having first protocol packet information including a first protocol destination resource identifier, wherein a second pro...

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Bibliographische Detailangaben
Hauptverfasser: BATKE BRIAN A, BUSH MICHAEL A, SCOTT STEVEN J, ANDERSON CRAIG D, SCHULZ GLENN B, PAI RAMDAS M, WILKINSON, JR. JOHN C, BRANDT DAVID D, SINGER BRYAN L
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Zusammenfassung:Methods and apparatus for controlling access in an electronic network include receiving a communication from a source device, the communication comprising a first protocol packet having first protocol packet information including a first protocol destination resource identifier, wherein a second protocol packet is embedded in the first protocol packet; retrieving at least one access rule based on at least one characteristic of the second protocol packet; applying the at least one access rule to at least one characteristic of the first protocol packet to determine an access rule outcome; and controlling access of the communication to a first protocol destination resource associated with the first protocol destination resource identifier according to the access rule outcome.