Importance

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Abstract

A system and method for preventing a spoofed remote procedure call denial of service attack in a networked computing environment is described. A hierarchical protocol stack defines a plurality of communicatively interfaced protocol layers. At least one protocol layer provides a client service via a remote procedure call interface. A request packet sent from a requesting client is intercepted. The request packet contains a service request being sent to a remote server via a remote procedure call. A token uniquely identifying the request packet is generated using data contained therein. The token is included with the request packet. The request packet and the included token is forwarded to the remote server indicated in the remote procedure call. A response packet containing a response sent from a remote server via the remote procedure call interface for the provided client service is received. The response packet is analyzed to determine whether the response packet includes a token uniquely identifying the response packet as having originated from the requesting client for the provided client service.

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First Claim