May 2024
Intermediate to advanced
309 pages
13h 33m
English
Content preview from Data Communications and Computer Networks by Pearson
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288 Data Communications and Computer Networks
With a firewall in place, the network landscape becomes much different. An organization will place
a firewall at every connection to the Internet (for example, at every T1 line coming into the company).
The firewall can implement security rules. For example, one of the security rules may be: out of the 300
computers inside an organization, only one is permitted to receive public FTP traffic. A company can
set up rules like this for FTP servers, web servers, telnet servers and so on. In addition, an organization
can have control on how employees connect to websites, whether or not files can be ...
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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.