Transport
As we'll see, the specific method we use to transmit documents largely depends on the required level of security. On the other hand, the choice of transport can restrict the security options. However, the choices are often made with security as the primary consideration. Here are the most common options for transport.
HTTP Post and Get: This is most often used by someone sitting at a computer with a Web browser, uploading and downloading files. However, it can also be done from Perl scripts. Session-based security, in the form of HTTPS, is usually used for HTTP data transfers.
FTP: This is the common Internet File Transport Protocol. An ftp utility is provided now with nearly every computer shipped. There's also a flavor of FTP known ...
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