TCP IP Illustrated

To use anonymous ftp we login with the username of

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Unformatted text preview: operating systems at least provide notification that urgent data has arrived on the control connection, allowing the server to then switch from handling the data connection to the control connection. Anonymous FTP One form of FTP is so popular that we'll show an example of it. It's called anonymous FTP, and when supported by a server, allows anyone to login and use FTP to transfer files. Vast amounts of free information are available using this technique. How to find which site has what you're looking for is a totally different problem. We mention it briefly in Section 30.4. We'll use anonymous FTP to the site ftp.uu.net (a popular anonymous FTP site) to fetch the errata file for this book. To use anonymous FTP we login with the username of "anonymous" (you learn to spell it correctly after a few times). When prompted for a password we type our electronic mail address. file:///D|/Documents%20and%20Settings/bigini/Docum.../homenet2run/tcpip/tcp-ip-illustrated/ftp_file.htm (20 of 24) [12/09/2001 14.47.49] Chapter 27. FTP: File Transfer Protocol sun % ftp ftp.uu.net Connected to ftp.uu.net. 220 ftp.UU.NET FTP server (Version 2.0WU(13) Fri Apr 9 20:44:32 EDT 1993) ready. Name (ftp.uu.net:rstevens): anonymous 331 Guest login ok, send your complete e-mail address as password. we type rstevens@noao.edu; it's not echoed Password: 230230- Welcome to the UUNET archive. 230- A service of UUNET Technologies Inc, Falls Church, Virginia 230- For information about UUNET, call +1 703 204 8000, or see the files 230- in /uunet-info more greeting lines 230 Guest login ok, access restrictions apply. change to the desired directory ftp> cd published/books 250 CWD command successful. we'll transfer a binary file ftp> binary 200 Type set to I. ftp> get fetch the file stevens.tcpipivl.errata.Z 200 PORT command successful. 150 Opening BINARY mode data connection for stevens.tcpipivl.errata.Z (105 bytes). (you may get a different file size) 226 Transfer complete, local: stevens.tcpipivl.errata.Z remote: stevens.tcpi...
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