1. A method conducted within a single computer system connected to a network for intercepting, examining, and controlling data flowing via transport connections between the transport layer of an operating system and user applications, said method comprising: intercepting all said data, via a dedicated transport connection connected to said transport layer, flowing between said transport layer and said user application; and, examining said data for information content, which comprises examining said data to determine if it is scannable for information content or non-scannable for information content.