FTP over TLS
From FileZilla Wiki
SSL/TLS (FTPS) vs SSH (SFTP)
FTPS (FTP encrypted with SSL/TLS) should not be confused with SFTP (SSH). The latter is a completely different protocol, with more information here.
FTPS (FTP encrypted with SSL/TLS) should not be confused with SFTP (SSH). The latter is a completely different protocol, with more information here.