FTPES 即”通过显示TLS/SSL的FTP“(FTP over explicit TLS/SSL),是FTPS的一种工作模式。
FTPS (also known as FTP Secure and FTP-SSL) is an extension to the commonly used File Transfer Protocol (FTP) that adds support for the Transport Layer Security (TLS) and the Secure Sockets Layer (SSL) cryptographic protocols.