About this course: In this MOOC, we will focus on learning how network systems are secured using firewalls and IDS. This will include understanding the basic components of network security, constructing a dual-firewall DMZ, and defining security policies to implement and enforce these rules. Building upon these lessons we will go in-depth on the popular Linux firewall. Finally we will learn about Network IDS and Host IDS, including a deep dive into Snort.
Created by: University of Colorado System
Taught by: Edward Chow, Professor
Computer Science
| Basic Info | Course 4 of 4 in the Fundamentals of Computer Network Security Specialization |
| Level | Intermediate |
| Language | English |
| How To Pass | Pass all graded assignments to complete the course. |
| User Ratings |
Syllabus
WEEK 1
Secure Network Defense
In this module, we will learn how to construct an DMZ firewall system with dual firewalls to protect a site. We will also learn how to define critical security policies, their enforcement procedures, and apply related security design principles for the firewall system.
4 videos, 3 readings
- Video: Network Defense
- Reading: DISA Network Defense Offering
- Video: DMZ Firewall
- Reading: Tech Republic Solution BaseSolutionBase: Strengthen network defenses by using a DMZ
- Video: Security Policies & Enforcement
- Reading: Video: CNN - How Target Could Have Prevented Customer Data Hack
- Discussion Prompt: Network Security Discussion
Graded: Project 4a. Protecting instances with AWS Virtual Private Clouds (VPC)
Graded: Exam 4.1
WEEK 2
Implement Firewall with Linux IPTable
In this module, we will learn how to use Linux iptables to implement firewall rules for filtering packets, and SNAPT or DNAT address port translation, and the security policies.
3 videos, 3 readings
- Reading: Linux iptables Resources
- Video: iptables and Outbound Traffic
- Reading: Video - USENIX Enigma 2016 - Building a DDoS Mitigation Pipeline
- Video: Stateful Firewall
- Reading: Configuring Juniper Network Stateful Firewall
- Discussion Prompt: Firewall Discussion
Graded: Project 4b. Set up outer firewall to perform DNAT and Masquerade
Graded: Exam 4.2
WEEK 3
Intrusion Detection Systems
In this module we will introduce the Snort IDS, discuss evaluation and performance of network firewalls, and finally cover Host IDS.
3 videos, 4 readings
- Reading: Official Snort IDS
- Reading: TechRepublic Snort Article
- Video: Evaluate Firewall Performance
- Reading: Cisco Discussion on Performance Evaluation
- Video: Host IDS
- Reading: Comparison Host IDS vs. Network IDS
- Discussion Prompt: IDS Discussion
Graded: Exam 4.3
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University of Colorado System
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Pricing
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| Access to course materials | Available |
| Access to graded materials | Available |
| Receive a final grade | Available |
| Earn a shareable Course Certificate | Available |
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