FTP Server Introduction

noreply@blogger.com (Ron Tinnel) — Wed, 30 Nov 2011 05:29:00 +0000

FTP SERVER INTRODUCTION

REVISED: Sunday, March 3, 2013

You will learn some of the fundamentals of the FTP server.

A computer program which serves the requests of other computer programs is a server. Modern personal computers can be seen as a hive of clients and servers operating in parallel. The Internet itself is also a hive of clients and servers.

The uploading and downloading of files between computers is performed by File Transfer Protocol (FTP) which is a Transmission Control Protocol (TCP). FTP works on a client server model. The FTP daemon is the server component. FTP requests from remote clients is continuously monitored by the FTP daemon. The FTP daemon manages the login and sets up the connection when a request is received. The FTP daemon executes any of the commands sent by the FTP client for the duration of the session.

There are two ways to manage access to an FTP server:

A. Anonymous

Remote clients can access the FTP server in the Anonymous mode by using the default user account called "anonymous" or "ftp" and sending an email address as the password.

B. Authenticated

A user must have an account and a password to use the authenticated mode. The permissions defined for the account used at login determine the user access, to the FTP server directories and files. The FTP daemon will hide the root directory of the FTP server and change it to the FTP Home directory. Hence, remote sessions do not have access to the rest of the file system.

You have learned some of the fundamentals of the FTP server.

Elcric Otto Circle

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