Cisco ASA firewall basics

Get started with Cisco ASA firewall. In this course you will learn to setup and install the Cisco ASA firewall!
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  • Lectures 23
  • Length 2 hours
  • Skill Level Beginner Level
  • Languages English
  • Includes Lifetime access
    30 day money back guarantee!
    Available on iOS and Android
    Certificate of Completion
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About This Course

Published 4/2016 English

Course Description

Cisco ASA firewall basics

Last updated 2016-11-24 with new videos!

In the course you will learn everything needed to install and configure a brand new Cisco ASA firewall with outbound internet access.

You will learn all commands needed to install the firewall.

In the first part of the course You will understand which required building blocks there are to get the firewall installed. For each step I will explain the reason, how it works and that there is to think about when configuring the Cisco ASA. This includes:

  • Console access
  • Interface configurations
  • Access-list theory and how to apply them.
  • Restricting and providing management access.
  • Network Address Translation (NAT)
  • DHCP in the Cisco ASA
  • Available hardware models.
  • Security levels.

In the second part of the course we will together configure a Cisco ASA 5505 from no configuration at all to outbound filtered and NAT:ed internet-access with DHCP and access-lists.

By the end of this course you will have a full knowledge of the different building blocks required to install a Cisco firewall.

What are the requirements?

  • Knowledge of TCP/IP
  • General knowledge of what a firewall is

What am I going to get from this course?

  • Install your own firewall
  • Configure NAT and access-lists.
  • Understand the best practice recommendations when installing Cisco ASA

Who is the target audience?

  • Anyone who needs to understand how to setup a Cisco ASA firewall.

What you get with this course?

Not for you? No problem.
30 day money back guarantee.

Forever yours.
Lifetime access.

Learn on the go.
Desktop, iOS and Android.

Get rewarded.
Certificate of completion.


Section 1: Introduction

An introduction to the course where I introduce myself and explains the purpose and content of the course.


There are many hardware models available. In this lecture you will get introduced to some of them.

Section 2: Bits and pieces of the configuration

First step in configuring a Cisco ASA is the interface configuration. There are tree commands that always needs to be added to each interface and I will explain them here.


Some firewalls contains a built-in switch and in these cases there is one extra step needed in the interface configuration.


Security-levels might seem confusing. I will explain them here!


Hair-pinning and interfaces with the same security-level will be explained in this lecture.


In this lecture You will learn how access-lists works, and how to apply them in the firewall.


More about access-lists


Nat (network address translation) is a complex part of the Cisco ASA configuration. In this lecture you will get introduced to the most common ways of configure Nat in the firewall.


A good command to remember, otherwise your ping will not work.


How to configure the firewall to allow inbound management access over telnet, ssh and ASDM.


We will continue to look at how to configure management access-


There are three commands needed to setup the firewall as a DHCP server. 

An introduction to ASDM part 1

More about the ASDM interface

Section 3: NAT - Network Address translation

A look into the world of NAT


A look into the world of NAT

A look into the world of NAT
A look into the world of NAT
Section 4: A live configuration

In the following lecture I will configure a firewall from scratch. This is the introduction. 


This is actually 17 minutes of basic ASA configuration setup. Enjoy!


This is the actual configuration used in the course.

Section 5: Bonus section
Bonus lecture: About me and my other courses

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Instructor Biography

Jimmy Larsson, Senior Consultant, Instructor and CISSP

I have been working in IT since 1991. My focus the last 15 years has been in Routing&Switching and Security. I have certifications in Cisco (CCNA, CCNP, CCSP) since 2000, also certified Checkpoing CCSA/CCSP and ISC2 CISSP. After 20+ years as an IT consultant I have a broad as well as deep knowledge in TCP/IP, routing, switching and firewalling.

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