December 2000
Intermediate to advanced
800 pages
22h 41m
English
Content preview from Special Edition Using Linux®, Sixth EditionBecome 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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Other Considerations
A firewall should not be considered a normal network host, and it should not be treated like one. This system should not enable normal users to log in or share files or directories on the network, and should never run RPC services such as NIS or NFS. The need to use good passwords for the accounts on the firewall, along with the necessity of using of shadow passwords, goes without saying. What might need to be said is that the firewall should not have the same password as any other host on your network. The fact that the host is broken and the attacker now has the password and shadow files should not automatically provide access to other hosts on the internal network.
This host needs to also be physically separated from the ...
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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.