December 2000
Intermediate to advanced
800 pages
22h 41m
English
Content preview from Special Edition Using Linux®, Sixth Edition
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TCP
The Transmission Control Protocol (TCP) is one of the protocols carried by IP. TCP accounts for over 90% of the traffic on the average LAN. TCP creates a connection between the client and server through a 3-way handshake.
First, the client, an FTP client, sends a TCP/IP packet from a randomly chosen high- numbered port to the server on port 21. In the header of this packet requesting to connect to the FTP server, the SYN bit is set and the others are clear (other bits include ACK, RST, FIN, URG, PSH, but most are not important to this discussion). The packet also contains a random sequence starting number.
When the server, sitting on the wait queue listening for an incoming connection request, sees this packet with the SYN bit set, it ...
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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.