FTP Authentication Error

Here we will cover how to solve an authentication error when trying to connect to a server via FTP. The exact FTP output and error are as follows:

Command: USER example@domain.com
Response: 331 User example@domain.com OK. Password required
Command: PASS ************
Response: 530 Login authentication failed
Error: Critical error: Could not connect to server

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Verify the credentials being used

1. Make sure to have all of the following credentials entered in the FTP client:
   1. Host - Server IP
      NOTE: The server IP can be obtained from cPanel in the "General Information" section on the side of the screen.
      Example:
      
   2. Username - FTP user's username or cPanel username
   3. Password - FTP user's password or cPanel password
   4. Port - 21
2. After verifying these credentials, attempt to connect again using the FTP client
3. If the authentication error persists, reset the FTP account password through cPanel
   
   1. If you are using the cPanel account as the FTP user, reset the cPanel account password
4. Try connecting again