I can reproduce the issue, this is the client ouput: ---- Connecting to ftp.xxxxx (1.1.1.1) port 21 <--- 220 ---> FEAT <--- 211-Features: <--- AUTH SSL <--- AUTH TLS <--- EPRT <--- EPSV <--- MDTM <--- PASV <--- PBSZ <--- PROT <--- REST STREAM <--- SIZE <--- TVFS <--- 211 End ---> AUTH TLS <--- 234 Proceed with negotiation. ---> USER test_user xxxxx matched <--- 331 Please specify the password. ---> PASS XXXX <--- 230 Login successful. ---> PWD <--- 257 "/" is the current directory ---> PBSZ 0 <--- 200 PBSZ set to 0. ---> PROT P <--- 200 PROT now Private. ---> PASV **** SSL_read: wrong version number ---- Closing data socket ---- Closing control socket ls: Fatal error: SSL_read: wrong version number
# vsftpd -v vsftpd: version 3.0.3
