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Contents

  • What is a Firewall?
    • How Firewalls Work
    • Types of Firewalls
      • 1. Packet-Filtering Firewalls
        • 2. Stateful Inspection Firewalls
          • 3. Application Layer/Proxy Firewalls
            • 4. Next-Generation Firewalls (NGFW)
              • 5. Cloud Firewalls
              • Importance in Cybersecurity
                • Compliance Requirements
                • Best Practices for Firewall Implementation
                  • Rule Configuration
                    • Regular Maintenance
                      • Performance Considerations
                      • Future of Firewalls

                        Understanding Firewalls: Definition, Types, and Importance in Cybersecurity

                        contributorcontributorcontributor
                        3.1 minute read
                        TechnologyCybersecurityEducation
                        A digital illustration of a firewall icon surrounded by various cybersecurity symbols, such as locks and shields, on a dark background.
                        Published January 19, 2025
                        Last Updated May 30, 2025
                        contributorcontributorcontributor
                        3.1 minute read

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