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Cloud Computing
Firewalls are crucial in computer security, acting as barriers between trusted internal networks and untrusted external networks. They monitor and control incoming and outgoing network traffic based on predetermined security rules, preventing unauthorized access and cyber threats. Types of FirewallsRead more
Firewalls are crucial in computer security, acting as barriers between trusted internal networks and untrusted external networks. They monitor and control incoming and outgoing network traffic based on predetermined security rules, preventing unauthorized access and cyber threats.
Types of Firewalls-
1. Network-based Firewalls:
Function: Protect entire networks by filtering traffic between different network segments.
How They Work: They inspect packets at the network layer, using techniques like packet filtering, stateful inspection, and deep packet inspection.
Advantages: Provide broad protection, centralize security management.
Disadvantages: Can be complex to configure, potential performance bottlenecks.
2. Host-based Firewalls:
Function: Protect individual devices by monitoring traffic to and from that specific device.
How They Work: Installed on the host, they use software to filter traffic based on rules set by the user or administrator.
Advantages: Granular control, easier to configure for individual needs.
Disadvantages: Can consume system resources, protection limited to the host.
Both types are essential for a comprehensive security strategy, providing layered defense mechanisms to mitigate risks and protect sensitive information.
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