Delve into the role of firewalls in network security, different types of firewalls (packet filtering, proxy, stateful inspection), and how they protect networks from unauthorized access.
Firewall Technologies Introduction to Firewalls Firewalls act as a barrier between a trusted internal network and untrusted external networks, controlling incoming and outgoing network traffic. Types of Firewalls a. Packet Filtering Firewalls Examines packets passing through the firewall and accepts or rejects them based on pre-defined rules. b. Proxy Firewalls Acts as an intermediary for...…
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