我已在 FileZilla 服务器中设置了自签名证书，并启用了基于 SSL/TPS 的 FTP。当我从客户端 FileZilla 连接时，我能够进行身份验证，但无法获取目录列表：
Status: Connecting to MY_SERVER_IP:21...
Status: Connection established, waiting for welcome message...
Response: 220-FileZilla Server version 0.9.39 beta
Response: 220-written by Tim Kosse (Tim.Kosse@gmx.de)
Response: 220 Please visit http://sourceforge.net/projects/filezilla/
Command: AUTH TLS
Response: 234 Using authentication type TLS
Status: Initializing TLS...
Status: Verifying certificate...
Command: USER MYUSER
Status: TLS/SSL connection established.
Response: 331 Password required for MYUSER
Command: PASS ********
Response: 230 Logged on
Command: PBSZ 0
Response: 200 PBSZ=0
Command: PROT P …