June 2022
Intermediate to advanced
656 pages
18h 1m
English
book
CCNP Security Cisco Secure Firewall and Intrusion Prevention System Official Cert Guide
by Nazmul Rajib
Content preview from CCNP Security Cisco Secure Firewall and Intrusion Prevention System Official Cert Guide
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Chapter 13
Domain Name System (DNS) Policy
This chapter provides an overview of the following topics:
DNS Policy Essentials: This section describes the Domain Name System (DNS) and the operation of a DNS policy on Secure Firewall.
Best Practices for Blocking DNS Queries: This section provides tips to deploy and enforce a DNS policy in a real-world network.
Fulfilling Prerequisites: This section discusses the licensing and objects that are necessary for a DNS policy implementation.
Configuring DNS Policy: In this section, you learn how to configure and deploy a DNS policy on Secure Firewall.
Verification: The last section of this chapter introduces you to various command-line tools that you can use to investigate and troubleshoot any issues ...
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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.