May 2004
Beginner to intermediate
1032 pages
23h 48m
English
book
Sams Teach Yourself J2EE™ in 21 Days, Second Edition
by Martin Bond, Dan Haywood, Debbie Law, Andy Longshaw, Peter Roxburgh
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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.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.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.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.
Security in Web Applications and Components
The Web security features of J2EE use the same model as that used for EJB security. Security is implemented using declarations in the deployment descriptor and programming in the Web pages. Authorization is enforced using roles and principals in the same manner as EJB security.
The key concepts for the Web security model are
Single login-- A client is only required to authenticate itself once to access all Web pages in a security realm provided by the Web server.
Spanning of multiple applications-- An authenticated client should be able to use Web pages from different Web applications without having to log in for each application.
Association with a session-- The security credentials must be associated ...
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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.