May 2001
Intermediate to advanced
1088 pages
30h 13m
English
Content preview from Special Edition Using Java™ 2 Enterprise Edition
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An In-Depth Look at the File Transfer Protocol
The File Transfer Protocol is one of the workhorses of the Internet, although it has been surpassed by HTTP over the past several years. FTP is interesting in that it uses two separate connections: a command connection and a data connection.
Like HTTP and SMTP, FTP is text based and uses numeric response codes. One of the neat features of the text-based protocols is that you can use them with the Telnet program. If you want to try out the FTP protocol, for example, you can Telnet to port 21 on a machine that is running an FTP server.
To log on to an FTP server, you must specify a username and password. You specify the username with the USER command:
USER myusername
You specify the password with ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.