Firewalls are critical barriers in cybersecurity, monitoring and controlling network traffic based on predefined rules.

They operate at both software and hardware levels, safeguarding against incoming and outgoing threats.

Network firewalls protect internal networks from external threats like the internet.

Host-based firewalls provide device-level protection on computers and servers.

Packet filtering firewalls analyze data packets to allow or block traffic based on specific criteria.

Proxy firewalls act as intermediaries, enhancing security by hiding client network addresses.

Stateful inspection firewalls track connection states to prevent unauthorized access.

Next-generation firewalls integrate advanced features like application awareness and intrusion prevention.

Firewalls enhance network security by filtering traffic and preventing unauthorized access.

They play a crucial role in protecting sensitive data and ensuring business continuity against cyber threats.

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