Pure-FTPd

To enable FTPS you need to:

echo 2 > /etc/pure-ftpd/conf/TLS

	•	0 disables TLS.
	•	1 makes TLS optional for users.
	•	2 forces all users to use TLS.

Have the contents of ssl.key + ssl.crt to that it is in:

/etc/ssl/private/pure-ftpd.pem

Afterwards service pure-ftpd restart.