Chapter 8 - Network Perimeter Security

4. A configuration file that tells browsers how to use a proxy server automatically.
6. Inspecting individual packets and allowing or blocking them based on rules.
9. A proxy that hides a user’s real IP address when accessing external networks.
10. Monitoring the state of active connections to make dynamic traffic decisions.
11. A tool that blocks access to unwanted or harmful online content.
13. A decoy system set up to attract and monitor attackers.
16. A device or software that monitors network traffic for suspicious activity.
19. A proxy that filters traffic based on specific application protocols.
20. A network interface mode that captures all traffic on the segment, not just addressed traffic.
21. An all-in-one security solution combining firewall, antivirus, intrusion prevention, and more.
22. A firewall that filters traffic based on specific application content or behavior.
23. A missed alert when actual malicious activity is not detected.
24. A rule that clearly grants permission for network access or traffic.
25. A rule that clearly blocks specific access or traffic.

1. The boundary between a private internal network and the public internet.
2. An alert triggered by harmless activity mistaken as a threat.
3. A set of rules that control network traffic by permitting or denying data packets.
5. Technology that prevents sensitive data from being leaked or accessed without authorization.
7. A default rule that blocks traffic not explicitly allowed.
8. A firewall that manages traffic at the session layer between trusted and untrusted hosts.
12. A firewall specifically designed to protect web applications from attacks.
14. A proxy that filters and caches web traffic.
15. An appliance or software that filters malicious content and enforces web policies.
17. A system that actively blocks malicious traffic as it’s detected.
18. A network of honeypots designed to study and detect attacks.
20. A system that acts as an intermediary between users and the internet.