Can't connect to FTP

I can’t connect to FTP! I get this error message: 500 OOPS: prctl PR_SET_SECCOMP failed!

dear Christophe6,

If you use vsftp, can you post your /etc/vsftpd.conf

you still get logged in with SSH, yes?


If you have a SSH access, why not use SFTP?

I can connect via SSH.
My config:

How do I use that?

dear Christophe6,

as indicated by Leeo97one above, by default you can only SFTP via port 22. see your config below:

Make sure PORT transfer connections originate from port 20 (ftp-data).

good luck!


Thank you for your support, but how to fix the issue?

hi Christophe6,

either open port 20 in the iptables OR use SFTP on port 22.

filezilla or win sftp will work, cuteftp might work.

What are you trying ftp with?

Very Best Regards,



please note this is not advised by default for security concerns, port 20 is closed for that reason and only you can determine your own risk level.

change iptables here:

take care now,


What’s the problem with SSH?

1 Like

FTP servers are not standard on Linux distributions; most distros–and MineOS follows suit–use SFTP, a protocol similar but arguably superior in all possible ways.

Your FTP client, (filezilla, cyberduck, etc.) will already support SFTP which uses port 22 (the default) and your Linux user names and passwords.

The client will then operate exactly as your FTP client would.