What is the purpose of a firewall?

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Firewalls are like the security guards of a network—they monitor and control incoming and outgoing traffic based on predefined security rules. Their main job is to protect your network from unauthorized access, cyberattacks, and data breaches.

VPN stands for Virtual Private Network. It is a technology that allows users to create a secure and encrypted connection over a less secure network, typically the internet. VPNs are commonly used to protect sensitive data, maintain online privacy, and access content that may be restricted based on geographic location.

The purpose of a firewall is to act as a security barrier that controls and monitors incoming and outgoing network traffic based on predetermined security rules. It helps protect a computer or network from unauthorized access, cyber threats, and malicious attacks.

Key functions of a firewall:

  • Traffic Filtering: Blocks or allows data packets based on IP addresses, ports, protocols, or content.

  • Access Control: Prevents unauthorized users or applications from accessing private networks.

  • Threat Prevention: Stops malware, hackers, and suspicious activities from entering or spreading within a network.

  • Monitoring & Logging: Tracks network traffic for suspicious behavior and maintains logs for security audits.

Read More 

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