在vsftpd.conf內加入下面的設定
ssl_enable=YES ssl_sslv2=YES ssl_tlsv1=YES rsa_cert_file=/etc/ssl/certs/vsftpd.pem
ssl_enable=YES
ssl_sslv2=YES
ssl_tlsv1=YES
rsa_cert_file=/etc/ssl/certs/vsftpd.pem
使用openssl產生憑証
openssl req -new -x509 -nodes -out /etc/ssl/certs/vsftpd.pem -keyout /etc/ssl/certs/vsftpd.pem -days 365
然後重新啟動vsftpd就好了