November 2019
Beginner
550 pages
13h 14m
English
Content preview from Learn Kali Linux 2019
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Using Wireshark to understand ARP
The Address Resolution Protocol (ARP) was designed to resolve IP addresses to MAC addresses. The importance of ARP is sometimes underestimated among IT professionals. All the communication between devices on a local area network (LAN) or within the same subnet uses the Media Access Control (MAC) address. This means that the devices do not use an IP address unless the communication is going beyond their local subnet, such as to another network (or subnet).
Let's use a simple analogy of a PC that wants to send a document to be printed out to the network printer. If these two devices are on the same subnet, the PC will encapsulate its message (document) within a frame and send it to the network switch. The network ...
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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.