June 2004
Intermediate to advanced
1488 pages
45h 53m
English
Content preview from Microsoft® Windows Server™ 2003 Inside OutBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Security Considerations
DNS security is an important issue, and this discussion focuses on three areas:
DNS queries from clients
DNS dynamic updates
External DNS name resolution
DNS Queries and Security
A client that makes a query trusts that an authoritative DNS name server gives it the right information. In most environments, this works fine. Users or administrators specify the initial DNS name servers to which DNS queries should be forwarded in a computer's TCP/IP configuration. In some environments where security is a major concern, administrators might be worried about DNS clients getting invalid information from DNS name servers. Here, administrators might want to look at the DNS Security (DNSSEC) protocol. DNSSEC is especially useful for companies ...
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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.