March 2018
Intermediate to advanced
626 pages
17h 32m
English
book
Network Analysis Using Wireshark 2 Cookbook - Second Edition
by Nagendra Kumar Nainar, Yoram Orzach, Yogesh Ramdoss
Content preview from Network Analysis Using Wireshark 2 Cookbook - Second Edition
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DNS server assignment
The first step involved in troubleshooting DNS related issues is to ensure that the right DNS server settings are configured on the clients. This is critical to ensure that the IP address resolved as part of a DNS query is legitimate and is not spoofed. There are two different types of DNS client configuration, as follows:
- Manually setting the DNS server on the client
- Dynamic DNS
With manual configuration, we need to statically define the DNS server information on the client. Depending on the client, the configuration may vary. For example, in Linux distributions, the DNS server should be configured in the /etc/resolv.conf file.
With Dynamic DNS (DDNS), we leverage the dynamic configuration protocols to advertise 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.