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Course 18 - Evading IDS Firewalls and Honeypots | Episode 3: Network Emulation and Security Defense: Deploying Cisco ASA and Kali Linux
In this lesson, you’ll learn about:
You can listen and download our episodes for free on more than 10 different platforms:
https://linktr.ee/cybercode_academy
- GNS3 Platform Foundation and Image Integration:
- Installing GNS3 Windows All-in-One and preparing the environment for professional network emulation.
- Importing manufacturer-specific device images (e.g., Cisco 3745 router, ASA firewall) to run actual device code instead of generic simulators.
- Building a Routed Network:
- Configuring IP addresses and routing paths on Cisco routers.
- Calculating idle time to optimize host CPU usage during emulation.
- Establishing a functional network backbone before adding security layers.
- Deploying the Cisco ASA Firewall:
- Creating a secure network enclave with multiple security zones.
- Assigning security levels (Inside = 100, DMZ = 50) and managing traffic flow.
- Configuring explicit rules and ICMP permissions to control responses from lower- to higher-security zones.
- Security Testing with Kali Linux:
- Integrating a Kali Linux VM into the GNS3 topology for vulnerability probing.
- Using professional tools like Nmap and Armitage to verify firewall effectiveness.
- Running simulated attacks to confirm that the ASA firewall filters ports and protects internal resources.
- Analogy for Understanding GNS3 Emulation:
- Using GNS3 is like a pilot training on a full-motion flight simulator: you interact with the actual software and controls, safely practicing defensive maneuvers against cyber threats without risking a real network.
You can listen and download our episodes for free on more than 10 different platforms:
https://linktr.ee/cybercode_academy
View all episodes
By CyberCode AcademyIn this lesson, you’ll learn about:
You can listen and download our episodes for free on more than 10 different platforms:
https://linktr.ee/cybercode_academy
- GNS3 Platform Foundation and Image Integration:
- Installing GNS3 Windows All-in-One and preparing the environment for professional network emulation.
- Importing manufacturer-specific device images (e.g., Cisco 3745 router, ASA firewall) to run actual device code instead of generic simulators.
- Building a Routed Network:
- Configuring IP addresses and routing paths on Cisco routers.
- Calculating idle time to optimize host CPU usage during emulation.
- Establishing a functional network backbone before adding security layers.
- Deploying the Cisco ASA Firewall:
- Creating a secure network enclave with multiple security zones.
- Assigning security levels (Inside = 100, DMZ = 50) and managing traffic flow.
- Configuring explicit rules and ICMP permissions to control responses from lower- to higher-security zones.
- Security Testing with Kali Linux:
- Integrating a Kali Linux VM into the GNS3 topology for vulnerability probing.
- Using professional tools like Nmap and Armitage to verify firewall effectiveness.
- Running simulated attacks to confirm that the ASA firewall filters ports and protects internal resources.
- Analogy for Understanding GNS3 Emulation:
- Using GNS3 is like a pilot training on a full-motion flight simulator: you interact with the actual software and controls, safely practicing defensive maneuvers against cyber threats without risking a real network.
You can listen and download our episodes for free on more than 10 different platforms:
https://linktr.ee/cybercode_academy