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File Transfer protocols


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This is a basic PPT about File Transfer Protocols. This explains why FTPs are importat and their basic functionality .

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File Transfer protocols

  1. 1. File Transferring Protocols
  2. 2. File Transfer Protocol (FTP) is a protocol used to transfer files over the Internet. People commonly use FTP to make files available for others to download, but you can also use FTP to upload WebPages for building a website or for putting digital photos on a picture sharing site. 06/26/16
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  4. 4. The File Transfer Protocol (FTP) is a standard network protocol used to transfer computer files between a client and server on a computer network. FTP is built on a client-server model architecture and uses separate control and data connections between the client and the server. 06/26/16
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  7. 7. • FTP uses a TCP (TCP is one of the main protocols in TCP/IP networks) control and data connection. • The TCP ( transmission control protocol) control connection is used for opening / closing an FTP session and for transferring commands from client to server. • The data connection is used for transferring individual files between client and server. • Every file transfer uses a separate data connection. 06/26/16
  8. 8. Features Interactive Access FTP provides an interactive interface to allow humans to interact with remote servers. Format Specification FTP allows the client to specify the type and representation of stored data. The user can specify whether a file contains text or binary data. Authentication Control FTP requires clients to authorize themselves by sending a login name and password to the server before requesting file transfers. The server refuses access to clients that cannot provide a valid login and password. 06/26/16
  9. 9. So how does FTP Works? After a TCP connection is established, an FTP control connection is created. Internal FTP commands are passed over this logical connection based on formatting rules established by the Telnet protocol. Each command sent by the client receives a reply from the server to indicate whether it succeeded or failed. A data connection is established for each individual data transfer to be performed. FTP supports either normal or passive data connections, allowing either the server or client to initiate the data connection. 06/26/16
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  13. 13. The Goal of FTP FTP was created with the overall goal of allowing indirect use of computers on a network, by making it easy for users to move files from one place to another. Like most TCP/IP protocols, it is based on a client/server model, with an FTP client on a user machine creating a connection to an FTP server to send and retrieve files to and from the server. The main objectives of FTP were to make file transfer simple, and to shield the user from implementation details of how the files are actually moved from one place to another. To this end, FTP is designed to automatically deal with many of the issues that can potentially arise due to format differences in files stored on differing systems. 06/26/16
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  15. 15. How To Start It? To start FTP in Internet Explorer, type the FTP address into the Address bar or click an FTP link on a webpage. If you click a link, you will be asked whether you want to save the file or open it. (If you use a different web browser, follow the instructions that came with your browser.) FTP addresses start with "ftp://" rather than "http://." For example, to go to the Microsoft FTP website, type, and then press ENTER. 06/26/16
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  17. 17. How do I access FTP websites and download files? In your web browser's address bar, type the Internet address (URL) for the FTP site you want to connect to (for example,, and then press ENTER. The FTP site opens, and you can do one or more of the following: To open a file or folder, click it. To download a file or folder, right-click it, and then, in Internet Explorer, click Save Target As. If you use a different web browser, follow the instructions that came with your browser. If you have permissions from the person who owns the FTP site, you can also open the site in a Windows Explorer window. To open the site in this way, in Internet Explorer, click the Page button, and then click Open FTP site in Windows Explorer. In the new window, to download a file or folder, right-click it, and then click Copy to Folder.06/26/16
  18. 18. How do I upload files to an FTP website? To upload files to an FTP website, you usually need certain permissions from the person who owns the site. That person must also give you a user name and password, which you'll need to sign in to the FTP site. Open the FTP website in your browser. Click Page, and then click Open FTP site in Windows Explorer. If you use a different web browser, follow the instructions that came with your browser. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. In Windows Explorer, press ALT, click File, and then click Login as. Type the user name and password, and then click Log On. 06/26/16
  19. 19. Can I use FTP to copy or move files between websites? Yes, but not directly between sites. You must first use FTP to download the files to your computer, and then use FTP again to upload them to the other website. 06/26/16
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  21. 21. AAYUSHI PAREEK (0182030401 4)