A web server system provides for the secure exchanging files with a remote transfer server over an open network such as the Internet. The transfer server operates a plurality of transfer methods. Exemplary transfer methods comprise: i) a log-on method comprising steps for returning a session ID to an authenticated transfer client; ii) an active event keys method comprising steps for returning each of a plurality of event keys associated with the transfer client; iii) a read event method comprising steps for returning event parameters associated with an event key, iv) an upload method comprising steps for receiving and storing a binary object in an object storage and associating the binary object with an object ID value in an ownership table; v) a process binary object method comprising steps for determining data elements within the binary contents of the file an loading the data elements into an application table in accordance with the loading rules; and vi) a set owner method comprising steps for associating the identification of a second transfer client with the object ID value in the ownership table.