December 2013
Intermediate to advanced
452 pages
9h 45m
English
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Chapter 9. UDP/TCP Analysis
This chapter contains the following recipes:
- Configuring TCP and UDP preferences for troubleshooting
- TCP connection problems
- TCP retransmissions – where they come from and why
- Duplicate ACKs and fast retransmissions
- TCP out-of-order packet events
- TCP Zero Window, Window Full, Window Change, and other Window indicators
- TCP resets and why they happen
Introduction
The goal of Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) is to pass information between end applications, for example, from a web client to a web server, mail client to a mail server, and so on. This is done by providing identification to end applications and forwarding packets between them. These identifications are called port numbers, and a ...
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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.
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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.