They are stored as MD5 strings in its database. Pure-ftpd stores user passwords in an encrypted form. Many account owners tend to overlook that aspect and struggle with 530 errors. Even a single additional space in the password can cause a login failure.

“530 Login authentication failed” also happens due to wrong password. For default user account, the ‘username’ is the FTP login name.īut for additional FTP accounts, the FTP login name is of the format If the FTP username entered is not in this specific format, login failures happen. In cPanel, there is a default user account and additional FTP accounts associated with each domain. If these credentials are given wrongly in the FTP client, it can give a 530 login error in FTP.

Login details used by users for FTP access include their username and password. While debugging 530 login errors in FTP, we’ve see that this error happens in Pure-ftpd servers due to 2 main reasons. 503 Login authentication failed What causes “530 Login authentication failed” error?

Ftp client cyberduck windows 530 error