Of course traffic over a data diode is UDP only (see http://actes.sstic.org/SSTIC06/Diode_ExeFilter/SSTIC06-article-Lagadec-Diode_ExeFilter.pdf http://actes.sst

Of course traffic over a data diode is UDP only (see http://actes.sstic.org/SSTIC06/Diode_ExeFilter/SSTIC06-article-Lagadec-Diode_ExeFilter.pdf http://actes.sstic.org/SSTIC06/Diode_ExeFilter/SSTIC06-artic... for an example application - if you can read French) Replication might be infeasible, but file transfer works. Developed specially for use with data diodes: BlindFTP - http://adullact.net/projects/blindftp/ http://adullact.net/projects/blindftp/ (French site, but there is a download link at http://adullact.net/frs/download.php/file/5406/BlindFTP_0.37.zip http://adullact.net/frs/download.php/file/5406/BlindFTP_0.37...)