August 2004
Beginner
216 pages
3h 45m
English
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Limiting Access: Closing the Barn Door Before the Cow Gets Out
Your first line of defense in virtually any situation is to control access to important resources. That's why banks keep their money in vaults rather than in bags by their front doors. If a customer comes in and needs cash, a trusted bank employee gains access to that vault and retrieves the currency. These types of strict controls ensure the safety and security of the bank's assets.
Likewise, controlling the access to your home network also helps protect your safety and security. You apply these controls using several types of security measures that are discussed in the sections that follow.
Firewalls
In computer terms, a firewall is an application that controls the traffic between ...
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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.