When security is a concern, it is important to assure that either SFTP or FTPS protocols are supported by your FTP server and clients. In order to leverage the security provided, both an SFTP client and server must be used as per the requirements of SSH. SFTP provides file encryption to prevent data loss if the files are intercepted in the upload/download processes. SSH file transfer protocol or SFTP is by far the most popular secure implementation of FTP. Over the years, important security feature additions were made in the form of SFTP, which adds secure shell capabilities in the form of SSH, and FTPS which leverages SSL technology. In fact, many servers leveraging the older FTP protocol are configured in 'Anonymous' mode which means a user ID is not required for access and the password is often 'Password'. The original FTP protocol, however, provided little in the way of security. Because it dates back to the early days of the internet, it enjoys universal support and therefore remains a popular option for many companies. When secure file transfer volumes are moderate but sharing data between offices or with external partners is business critical, FTP is an attractive solution.
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