RFC 2773:Encryption using KEA and SKIPJACK
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FTP command


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... security schemes, and in particular allows for various levels of protection for the FTP command and data connections. This document describes a profile ...
... entities will either be authenticated (unilateral or mutually), and may, additionally, be ready to protect FTP commands and data. ...
... transfers can be specified via the PROT command which supports the same protections as those afforded the other FTP commands. PROT commands may be sent on a transfer-by-transfer basis, however, the session parameters ...


... FTP command channel operations are now confidentiality protected. To ...



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