Configure FTP (vsFTPd) to use TLS/SSL connections only.

root@www05:~#cd /etc/ssl/private

root@www05:/etc/ssl/private#

openssl req -x509 -nodes -newkey rsa:1024 -keyout /etc/ssl/private/vsftpd.pem -out /etc/ssl/private/vsftpd.pem

Generating a 1024 bit RSA private key
……++++++
…….++++++
writing new private key to '/etc/ssl/private/vsftpd.pem'
—–
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
—–

root@www05:/etc/ssl/private# chmod 600 vsftpd.pem

root@www05:/etc/ssl/private#vi /etc/vsftpd.conf

rsa_cert_file=/etc/ssl/private/vsftpd.pem

ssl_enable=YES

allow_anon_ssl=NO

force_local_data_ssl=YES

force_local_logins_ssl=YES

ssl_tlsv1=YES

ssl_sslv2=NO

ssl_sslv3=NO

require_ssl_reuse=NO

ssl_ciphers=HIGH

root@www05:~# service vsftpd restart

Generate a certificate using this syntax:
openssl req -new -x509 -days 365 -nodes -out /etc/proftpd/ssl/proftpd.cert.pem -keyout /etc/proftpd/ssl/proftpd.key.pem

rsa_cert_file=/etc/ssl/private/vsftpd.pem