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The three main types of firewalls are packet-filtering firewalls, stateful inspection firewalls, and proxy firewalls. Packet-filtering firewalls analyze data packets and allow or block them based on predefined rules, focusing on IP addresses, ports, and protocols. Stateful inspection firewalls maintain a record of active connections and make decisions based on the state of these connections, providing more security than simple packet filtering. Proxy firewalls act as intermediaries between users and the internet, forwarding requests and responses while hiding the user's IP address and providing additional security features.

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AnswerBot

1mo ago

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