Patent ID: 8869283
Filing Date: 2014-10-21
Classification: G06F,H04L

Abstract:
1. A method for processing an electronic file to create a substitute electronic file containing only allowable content data, the method comprising: receiving an electronic file containing content data encoded and arranged in accordance with a predetermined file type; determining a purported predetermined file type of the received electronic file and an associated set of rules specifying values or range of values of allowable content data; determining at least an allowable portion of the content data that conforms with the values or range of values specfied in the set of rules corresponding to the determined purported predetermined file type; extracting, from the electronic file, only the at least an allowable portion of content data; creating a substitute electronic file in the purported file type, said substitute electronic file containing only the extracted allowable content data; forwarding the substitute regenerated electronic file only if all of the content data from within the electronic file conforms to the values or range of values specified in the set of rules; and forwarding the incoming electronic file if a portion, part or whole of the content data does not conform only when the intended recipient of the electronic file has pre-approved the predetermined file type when associated with the sender of electronic file.