May 2001
Intermediate to advanced
1088 pages
30h 13m
English
Content preview from Special Edition Using Java™ 2 Enterprise Edition
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Firewalls
Firewalls are one of the most important components in an enterprise network, yet they are frequently ignored and misunderstood by most developers. The main purpose of the firewall is to keep malicious people out of your network while still allowing your internal users to access the Internet and allowing external users to access various parts of your network. Figure 26.8 shows a typical firewall setup.
Figure 28.8. A firewall blocks most incoming connections, but usually allows outbound connections.
Firewalls vary tremendously in capabilities, but there are some common capabilities, and also some common network configurations. Many firewalls ...
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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.