What is File Transfer Protocol (FTP) Definition in

What is File Transfer Protocol?

The full form of FTP is File Transfer Protocol. File Transfer Protocol is a program or open protocol standard that helps users to obtain large files of users and computers in private or public networks. Configuration files can also be transferred to network devices such as switches and routers with the help of FTP. Encryption is used for effective secure connections of FTP files.

So why Port 20 and 21? :

This is the standard for ports server on which the server listen and respond to the request. If you want you can configure the server on another free port, but in this case, you have to tell the client which server is configured on which port the FTP request can be processed. If the client requests a port on which the server is not configured then the client’s request will drop and no communication will be done. For this reason, Port 20 and 21 have been reserved for FTP and have been kept Avam standard. Continue Reading

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