c: Copyright (C) Daniel Stenberg, daniel@haxx.se, et al. SPDX-License-Identifier: curl Long: ftp-ssl-control Help: Require SSL/TLS for FTP login, clear for transfer Protocols: FTP Added: 7.16.0 Category: ftp tls Multi: boolean See-also:

--ftp-ssl-control

Require SSL/TLS for the FTP login, clear for transfer. Allows secure authentication, but non-encrypted data transfers for efficiency. Fails the transfer if the server does not support SSL/TLS.