We updated an old server recently and the ProFTP server started throwing this error “530 Login incorrect” and wouldn’t let us in. We looked at the usual culprits, reset passwords, verified directories but nothing seemed to work.
We ran ProFTPD in debug mode like so, stop the ProFTPD service first:
Start ProFTPD in debug mode:
This will hold your shell session, to quit or stop the service hit CTRL+C
You now need to try to connect to the server to see the errors it throws and this is what it spit out:
Found the culprit:
To fix this you need to edit the proftpd.conf file located at /etc/proftpd.conf and add the following line to the top:
Kill the proftpd debug mode you started, hit CTRL+C and restart the proftpd service to start regular service:
Connect via your FTP client and it’ll work fine.