What are the best practices for securing FTP access to PHP files on a dedicated server?

Securing FTP access to PHP files on a dedicated server involves setting proper file permissions to restrict unauthorized access. One common practice is to set the file permissions to 644 for PHP files, which allows read and write access for the owner and read-only access for others. Additionally, it's recommended to disable FTP access for the root user and create separate FTP accounts with limited permissions. 

// Set file permissions to 644 for PHP files
chmod("example.php", 0644);

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FTP PHP files dedicated server security best practices

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