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No, SFTP (Secure File Transfer Protocol) does not use TLS (Transport Layer Security). SFTP is actually an extension of the SSH (Secure Shell) protocol and, as such, it utilizes the security mechanisms provided by SSH, which include strong encryption, authentication, and data integrity. You might be confusing SFTP with FTPS (File Transfer Protocol Secure). FTPS is an extension of the FTP (File Transfer Protocol) that adds support for TLS and SSL (Secure Sockets Layer). FTPS does use TLS/SSL for encryption and security. Both SFTP and FTPS provide secure methods for transferring files, but they use different underlying protocols and security mechanisms.
