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: Security engineers use tools like Nmap and Wireshark to scan for vulnerabilities and inspect traffic patterns to ensure the firewall remains uncompromised. 3. The Role of Lab Environments

: The most basic form, these inspect individual packet headers to allow or deny traffic based on IP addresses, ports, and protocols. Firewall2.rar

: These go beyond simple filtering by providing granular visibility and policy control over specific applications and content, rather than just IP addresses. : Security engineers use tools like Nmap and

: Instructions on how to set up demilitarized zones (DMZs) or Virtual Private Networks (VPNs). Conclusion Firewall2.rar