July 2004
Intermediate to advanced
480 pages
11h 40m
English
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Network Sniffers
In Chapter 5, we looked at a tool (promiscdetect.exe) that allowed the investigator to determine if the network interface card (NIC) is in promiscuous mode. This means that all packets that pass by on the wire are copied by the NIC into memory for processing, rather than just those packets that are addressed specifically to the NIC. This is how a network protocol analyzer, or sniffer, works—by copying all packets that pass by on the wire. Sniffers allow the investigator to copy all traffic from the network and analyze it to see what the various systems are “saying” to each other.
The investigator can make use of a network sniffer when responding to an incident. For example, if the “victim” system is suspected to have a Trojan ...
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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.