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Blog posts : "stateful firewall"

ASA Firewall Interview Questions and Answers [CCIE]

January 21, 2016

What is a Firewall?
Firewall is a device that is placed between a trusted and an untrusted network. It deny or permit traffic that enters or leaves network based on pre-configured policies. Firewalls protect inside networks from unauthorized access by users on an outside network. A firewall can als…

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