Protocol Deep Dive: DNS

سرفصل های دوره

Billions of number sets are impossible to remember, that's why DNS is critical to internal networks and the Internet. This course will teach you how DNS works from configuration to security. Packets will be analyzed with Wireshark at every step.

0. Course Overview

0. Course Overview

1. Exploring DNS Terminology and Use Cases

0. Describe the Purpose of DNS

1. Demo Simple Client Query

2. Understanding DNS Terminology

3. Capturing DNS Recursion

2. Configuring DNS for Clients

0. Examine How Clients Obtain DNS

1. Demo DNS in DHCP

2. Understanding DNS Cache

3. Demo Clearing Cache on Client and Server

4. Comparing DNS Privacy Methods

5. Demo Implementing DNS over TLS (DoT)

3. Modifying DNS Configuration for Servers

0. Configuring DNS Zones

1. Demo Creating Zones

2. Configuring Record Types

3. Demo Adding Records and Confirming Zone Transfer

4. Adding Subdomains including Demo

4. Troubleshooting DNS

0. Isolating Cause of DNS Outages

1. Demo Isolating Cause of Inability to Browse Internet

2. Demo Isolating Cause of Inability to Access Local Resources Too

3. Demo Isolating Cause of Inability to Access Local or Remote Resources

4. Identifying Single Points of Failure

5. Demo Troubleshooting Silence

6. Demo Troubleshooting Error Responses

7. Demo Troubleshooting Slow Responses

5. Securing DNS

0. Preventing Common DNS Attacks

1. Demo Filtering at the Server with Microsoft DNS Policy

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تولید کننده: PluralSight