Mastering Python for Networking and Security

The File Transfer Protocol (FTP)

FTP is a protocol that’s used to transfer data from one system to another and uses Transmission Control Protocol (TCP) port 21, which allows clients and servers connected in the same network to exchange files. The protocol design is defined in such a way that it is not necessary for the client and server to run on the same platform; any client and any FTP server can use a different operating system and use the primitives and commands defined in the protocol to transfer files.

The protocol is focused on offering clients and servers an acceptable speed in the transfer of files, but it does not take into account more important concepts such as security. The disadvantage of this protocol is that the information ...