A firewall acts as a security guard for your network. It monitors incoming and outgoing network traffic and filters it based on a set of predefined security rules. By doing so, it helps protect your network from unauthorized access and potential threats. Ethical Hacking Course in Pune

Key Roles of a Firewall:

Packet Filtering:
Examines each packet of data and blocks or allows it based on specific criteria like IP address, port number, and protocol.
Stateful Inspection:
Tracks network connections and blocks suspicious traffic based on the state of the connection.
Application-Level Gateway:
Filters traffic at the application layer, allowing or blocking specific applications or protocols.
Intrusion Detection:
Monitors network traffic for signs of malicious activity and can take action to block suspicious traffic.
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Benefits of Using a Firewall:

Protection from Unauthorized Access: Prevents unauthorized users from accessing your network.
Malware Prevention: Blocks malicious software and viruses from entering your network.
Data Protection: Protects sensitive data from unauthorized access and theft.
Improved Network Performance: Can optimize network traffic and improve performance.

By implementing a strong firewall, you can significantly enhance the security of your network and protect your valuable data.