Secure Network Design Course

Lean the basics of designing secure networks, from an overview of network topologies to foundational security concepts such as segmentation and isolation.

1 hour, 15 minutes

Course description

This course covers the following network security topics: network security devices and placement, network topologies and security zones, and network segregation, segmentation and isolation. It briefly introduces a wide variety of security device types, from sensors to firewalls and load balancers. The terms intranet, extranet and demilitarized zone (DMZ) are defined and explained, along with the concepts of Network Address Translation (NAT) and honeynets. The segregation/segmentation/isolation part of the course provides a basic understanding of physical and logical separation and explains the VPN tunneling mechanism.

Syllabus

Security Devices and Placement

Video - 00:08:00
Segregation, Segmentation and Isolation

Video - 00:04:00
Zones and Topologies

Video - 00:03:00
Command Line Basics - Basic Networking Utilities

Lab - 00:30:00
This lab introduces the most popular command-line tools for testing and troubleshooting network connections, including ping, netstat, traceroute, tcpdump and others.
Command Line Basics - IProute2 and Net-Tools

Lab - 00:30:00
This lab has us working with Net-Tools and IPRoute2. Both of these network utilities accomplish many of the same goals and we will demonstrate the equivalent commands between them.

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