我正在尝试与我们的应用程序服务器连接以访问 FTP，但是当我尝试在 FileZilla 的帮助下访问它时获得以下堆栈跟踪。
我可以在 CPanel 中看到完整的文件夹结构。你能帮忙，让我知道可能的问题是什么，我该如何解决。
Command: PASS **********
Response: 230 OK. Current restricted directory is /
Command: OPTS UTF8 ON
Response: 200 OK, UTF-8 enabled
Status: Connected
Status: Retrieving directory listing...
Command: PWD
Response: 257 "/" is your current location
Command: TYPE I
Response: 200 TYPE is now 8-bit binary
Command: PASV
Response: 227 Entering Passive Mode (89,221,244,98,102,204)
Command: MLSD
Response: 150 Accepted data connection
Response: 421 chdir: Permission denied
Error: Failed to retrieve directory listing
Error: Connection closed by server