Design and Configure DMZ Networks Using Cisco Routers in Packet Tracer – A Practical Security Lab Course
Sub Category
- Network & Security
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Objectives
- Understand what a DMZ (Demilitarized Zone) is and why it's critical in network security design.
- Design and build a functional DMZ network in Cisco Packet Tracer.
- Implement NAT and Port Forwarding to expose public services safely from the DMZ.
- Use OSPF and static routing to connect internal, DMZ, and external networks logically and securely.
- Apply Access Control Lists (ACLs) to tightly control traffic between internal, DMZ, and external networks.
- Understand the role of edge routers, DMZ routers/firewalls, and internal LAN segmentation.
- Control outbound and inbound traffic to protect internal resources and prevent unauthorized access.
- Use real-world best practices to simulate enterprise-grade security setups—even in Packet Tracer!
Pre Requisites
- Basic knowledge of networking concepts such as IP addressing, subnets, and routing.
- Familiarity with Cisco IOS commands (e.g., configuring interfaces, static routes, and basic ACLs).
- Cisco Packet Tracer installed—this free tool will be used throughout the course.
- A willingness to learn hands-on through practical, real-world network design scenarios.
FAQ
- Q. How long do I have access to the course materials?
- A. You can view and review the lecture materials indefinitely, like an on-demand channel.
- Q. Can I take my courses with me wherever I go?
- A. Definitely! If you have an internet connection, courses on Udemy are available on any device at any time. If you don't have an internet connection, some instructors also let their students download course lectures. That's up to the instructor though, so make sure you get on their good side!
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