curl-w32/docs/cmdline-opts/ftp-ssl-control.md

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

--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.