Error: 550 Couldn't open the file or directory

[ueding]

Hallo,

We try to get a list of the server using a command and get the following message back from the server.

CMD
telnet 192.168.0.11 21

220-FileZilla Server 1.7.3
220-Please visit https://filezilla-project.org/
220 Hi Volks
user rasperson
331 Please, specify the password.
pass enkaku
230 Login successful.
xpwd
257 "/" is current directory.
nlst -all
550 Couldn't open the file or directory

Server
<Date/Time> Info [Type] Message
<08-12-2023 09:35:43> FTP Session 7 192.0.2.19 [Response] 220-FileZilla Server 1.7.3
<08-12-2023 09:35:43> FTP Session 7 192.0.2.19 [Response] 220-Please visit https://filezilla-project.org/
<08-12-2023 09:35:43> FTP Session 7 192.0.2.19 [Response] 220 Hi Volks
<08-12-2023 09:35:43> FTP Session 7 192.0.2.19 [Command] USER rasperson
<08-12-2023 09:35:43> FTP Session 7 192.0.2.19 [Response] 331 Please, specify the password.
<08-12-2023 09:35:43> FTP Session 7 192.0.2.19 [Command] PASS ****
<08-12-2023 09:35:43> FTP Session 7 192.0.2.19 rasperson [Response] 230 Login successful.
<08-12-2023 09:35:43> FTP Session 7 192.0.2.19 rasperson [Command] XPWD
<08-12-2023 09:35:43> FTP Session 7 192.0.2.19 rasperson [Response] 257 "/" is current directory.
<08-12-2023 09:35:43> FTP Session 7 192.0.2.19 rasperson [Command] TYPE I
<08-12-2023 09:35:43> FTP Session 7 192.0.2.19 rasperson [Response] 200 Type set to I
<08-12-2023 09:35:43> FTP Session 7 192.0.2.19 rasperson [Command] PORT 192,0,2,19,19,138
<08-12-2023 09:35:43> FTP Session 7 192.0.2.19 rasperson [Response] 200 PORT command successful.
<08-12-2023 09:35:43> FTP Session 7 192.0.2.19 rasperson [Command] NLST -alL
<08-12-2023 09:35:43> FTP Session 7 192.0.2.19 rasperson [Response] 550 Couldn't open the file or directory4

[ueding]

Does anyone have an idea how we can fix this

[botg]

<08-12-2023 09:35:43> FTP Session 7 192.0.2.19 rasperson [Command] NLST -alL

The client tries to list a file or directory named -alL

That file or directory does not exist.