This howto describes how to configure vsftpd to enable SSL using so called intermediate/ chaining certificates.

Edit vsftpd.conf so that SSL is enabled:

ssl_enable=YES

rsa_cert_file=/usr/share/ssl/certs/vsftpd.pem

force_local_data_ssl=No

force_local_logins_ssl=NO

It is very important to construct the certificate file /usr/share/ssl/certs/vsftpd.pem with the correct certificate order. The fist Your certificate file has to be a .pem file. If […]