1.That it is using secure, encrypted network connectivity tools instead of telnet, ftp, rlogin, rsh and rcp tools.
它用安全、加密的网络连接工代替了 telnet、ftp、 rlogin、rsh 和 rcp 工。
2.Curl is a command line tool to transfer data from or to a server, using one of the supported protocols (HTTP, HTTPS, FTP, FTPS, TFTP, DICT, TELNET, LDAP or FILE).