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Transfer Content to a Website

What is FTP?. Transfer Content to a Website. File Transfer Protocol. FTP is a protocol – a set of rules Designed to allow files to be transferred across the Internet One of the first Internet services – used purely for information exchanged

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Transfer Content to a Website

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  1. What is FTP? Transfer Content to a Website

  2. File Transfer Protocol • FTP is a protocol – a set of rules • Designed to allow files to be transferred across the Internet • One of the first Internet services – used purely for information exchanged • Originally used only by systems administrators and scientists

  3. How does FTP work? • FTP is an example of a client-server system • It is a program on the local computer (client) and is used to transfer files to and from a remote computer (server)

  4. FTP servers • Have an address, similar to a URL • Prefix ftp:// instead of http:// • e.g. ftp.ftpplanet.com

  5. Anonymous (Public) FTP Servers • Allow you to gain access to, browse and download files by connecting anonymously • Files made available to the public are usually stored in a folder called PUB • FTP server administrators can 'lock' or hide files to restrict access • e.g. ftp.microsoft.com

  6. Private (Restricted Access)FTP Servers • The server's administrator or your ISP determines whether folders and files can be accessed on a FTP server • A server administrator will also decide who can access their server, or specific folders and files on their server • What do you need to access files on a private FTP site?

  7. FTP Clients • FTP client allow you to • Upload • Download • Delete • Replace • Move … files to an FTP server with ease

  8. Connecting to an FTP Server • Using a web browser • Uploads can be difficult • Downloads are not secure • Command-line FTP client • DOS program (Start > Run > FTP) • Using a GUI FTP client • Graphical User Interface (secure and easy)

  9. GUI FTP Client • A GUI contains windows and clickable buttons and menus • Standard GUI FTP client window is a two-pane design • Left pane displays the files on the LOCAL computer • Right pane displays the files on the FTP SERVER

  10. Open the site manager

  11. Set up a new site

  12. You can set up multiple sites and they will be listed here. You can select the site to connect to from this list.

  13. Discussion Point • Email is commonly used to transfer files across the Internet. • When would you FTP rather than Email files?

  14. Choosing an FTP Client • Most have the same basic features and functions • The difference is generally in the layout of the FTP client window, and some may have added functionality

  15. Things to consider • Preferred interface • Cost • Features and Functions • The purpose for using FTP client • Organisation's guidelines and policies

  16. Choosing a Suitable FTP Client • Has an easy-to-use interface that clearly displays both the local (your computer) and remote (FTP server) locations • Has tools to manage multiple accounts on multiple servers • Logs (records) your FTP sessions • Enables you to select active or passive FTP connection (discussed later)

  17. Popular FTP clients • CuteFTP Home and Professional • SmartFTP • NCFTP • Bullet Proof FTP • Filezilla • FireFTP • Fetch • FTPWorks ...

  18. Port 21 • This is the port number that you use to connect to an FTP server • A port is like a door to the server • FTP protocols are handled by ports 20 and 21 by default • HTTP is handled by port 80

  19. Firewalls • Prevent unauthorised connections to your computer • Can affect the connections by blocking the ports needed to connect to the remote FTP server • You can configure your firewall so that ports 20 and 21 are open

  20. Configuring the connection type • If you connect to the Internet with a modem you are using Dial-Up Networking (DUN) • If you connect with a cable modem, DSL or through a computer network, you are using a Local Area Network (LAN) • LEAVE THE SERVER TYPE SETTINGS ON AUTO-DETECT

  21. Data Transmission Mode • Passive Mode (PASV) • Helps avoid conflicts with an FTP server's security system • Allows you to bypass a server's firewall and security settings on some routers • Active (PORT) Mode • Used when a connection or transfer attempt fails in passive mode, or when you receive data socket errors

  22. Port Theft • When you connect in PORT mode your files become vulnerable to 'port theft' • A third party can interfere with file transfers • LEAVE THE CONFIGURATION SETTINGS ON DEFAULT

  23. Secure Connections • Secure Socket Layers (SSL) • Transport Layer Security (TSL) • These communication protocols are designed to allow you to transmit data securely. Data is encrypted during transmission and prevents “eavesdroppers” • Your Server must support the use of these protocols (ISPs usually charge extra)

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