Patent ID: 8726385

Claim:
A computer system configured to facilitate coordinated source blocking, the computer system comprising: one or more connections to a plurality of computer networks; and one or more processors communicatively coupled to each other wherein the one or more processors are collectively configured to: receive information from a first gateway, the information pertaining to a network data transmission from a source address, the source address on a first network and the network data transmission intended for a destination address on a second network, the first and second network not directly connected to each other, the first gateway configured to protect the second network by preventing selected network data transmissions from reaching the second network; determine a score based on the received information; determine a participation status, the participation status indicating the first gateway's participation in a coordinated source blocking method; prepare a first response message for transmission to the first gateway, the first response message comprising an indication of the score and a blocking request indicator, wherein the blocking request indicator comprises information requesting the first gateway not to block future information from the source address even when the score indicates the network data transmission is to be blocked; and initiating transmission of the first response message to the first gateway.