Abstract: A system and method for transferring files from a source file server in one network domain to a destination file server in a second separate network domain. A first hardware server computer monitors the source file server for the presence of a new manifest file, downloads the new manifest file, downloads each file identified in the new manifest file; and forwards each downloaded file on an output coupled to an input of a one-way link. The one-way link transfers files only from the input to an output thereof and prevents any signal from passing from the output to the input. A second hardware server is connected to the output of the one-way link and receives each file output from the one-way link and forwards each received file to a file location on the destination file server corresponding to an original file location of that file on the source file server.