October 2020
Intermediate to advanced
481 pages
17h 35m
English
Content preview from Network Security, Firewalls, and VPNs, 3rd Edition
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Common Network Security Components Used to Mitigate Threats
When considering the deployment of a network or the modification of an existing network, evaluate each network component to determine its security strengths and weaknesses. This section discusses many common network security components.
Hosts and Nodes
A node is any device on the network. This includes client computers, servers, switches, routers, firewalls, and anything with a network interface that has a MAC address. A Media Access Control (MAC) address is the 48-bit physical hardware address of a network interface card (NIC) assigned by the manufacturer. A node is a component that can be communicated with, rather than only through or across. For example, network cables and patch ...
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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.