Overview

Introduction

Welcome to the Implement a Host-based Firewall Practice Lab. In this module you will be provided with the instruction and computer hardware to develop your hands on skills in the defined topics.

Learning Outcomes

In this module, you will complete the following exercises:

  • Exercise 1 - Preliminary Tasks
  • Exercise 2 - Configuring Firewall Rules Using Windows Firewall
  • Exercise 3 - Configuring Firewall Rules using Windows Firewall with Advanced Security
  • Exercise 4 - Configuring Firewall Rules from the Command Line Interface

After completing this lab, you will be able to:

  • Configure Firewall Rules Using Windows Firewall
  • Configure Firewall Rules Using Windows Firewall with Advanced Security
  • Configure Firewall Rules Using Remote Access
  • Configure Firewall Rules from the Command Line Interface

Exam Objectives

  • N10-007 2.2: Given a scenario, determine the appropriate placement of networking devices on a network and install/configure them (Firewall)
  • N10-007 5.5: Given a scenario, troubleshoot common network service issues (Incorrect host-based firewall settings)

Lab Duration

It will take approximately 1 hour to complete this lab.

Exercise 1 - Preliminary Tasks

In order to successfully complete this lab, you will be required to perform some preliminary tasks on devices PLABDC01, PLABWIN10 and PLABSA01. All these devices have IPv6 enabled. This means that if for whatever reason IPv4 fails to function, connectivity will be available between the devices using IPv6.

For the purposes of this lab, you will disable IPv6 on these devices. To do so, perform the following tasks.

Learning Outcomes

After completing this exercise, you will be able to:

  • Create a trunk link and pass two VLANs through it
  • Configure DTP functions

Exercise 2 - Configuring Firewall Rules Using Windows Firewall

A host-based firewall protects the computer it is configured on from unauthorized access by users or applications either from outside or even from inside your corporate network. To make the firewall effective, you need to define and configure firewall rules. These rules analyze the packets coming to the computer determine whether the specified conditions are satisfied and then allow or deny access to the computer or network accordingly. The Windows Firewall application enables you to configure and edit these firewall rules.

Learning Outcomes

After completing this exercise, you will be able to:

  • Configure Firewall Rules Using Windows Firewall
  • Configure Firewall Rules Using Remote Access

Exercise 3 - Configuring Firewall Rules using Windows Firewall with Advanced Security

Current Windows versions provide another built-in application for system security - Windows Firewall with Advanced Security. This application offers an expansive view of firewall security and has additional features compared to the simple firewall application of the previous exercise.

In this exercise, you will create firewall rules using the Windows Firewall with Advanced Security, and you will verify their operation.

Learning Outcomes

After completing this exercise, you will be able to:

  • Configure Firewall Rules Using Windows Firewall with Advanced Security

Exercise 4 - Configuring Firewall Rules from the Command Line Interface

The Command Line Interface, (CLI), is one of the methods of communicating with the operating system or other software such as applications. With the CLI, you issue commands and receive responses in the format of text lines, delineated from each other by command prompts. CLI commands are powerful and can achieve more with each command, however, they may not be as intuitive as a GUI, and you must remember the commands, the syntax, and the context to use them correctly.

Learning Outcomes

After completing this exercise, you will be able to:

  • Configure Firewall Rules from the Command Line Interface

Comprehensive Learning

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