From the course: Ethical Hacking: Evading IDS, Firewalls, and Honeypots

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Install GNS3

Install GNS3

From the course: Ethical Hacking: Evading IDS, Firewalls, and Honeypots

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Install GNS3

- [Instructor] If you don't have a Cisco device to work with, you can download and run the GNS3 emulator from the website shown here. This is a professional tool, which is widely used by network architects and one which allows testers to really understand networks. It can be used not only for emulation of Cisco and other vendor devices, but it can also connect to the real world and include hardware based devices and the internet in its networks. We'll use GNS3 to gain an initial familiarity with the Cisco Advanced Security Appliance, the ASA, which is a powerful content perimeter defense device from Cisco. Whereas the PIX allowed us to learn about home and small business perimeter defenses, the ASA provides an insight into the enterprise level of perimeter defense. We'll take a tour of GNS3, then I'll set up a basic network, and show it operating. I'll then create a routed network. And finally, add an ASA into it to provide a secure enclave and demonstrate how to configure permitted…

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