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GIAC GCFW Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Network Address Translation and VPNs | - Remote access and site-to-site VPN configuration - NAT types and use cases - IPSec fundamentals |
| Traffic Analysis and Troubleshooting | - Packet capture and inspection techniques - Diagnosing connectivity and policy issues - Using logs for forensic analysis |
| Intrusion Detection and Prevention Integration | - IDS vs IPS functionality with firewalls - Threat detection and mitigation strategies |
| Packet Filtering and Rule Management | - Rule ordering, optimization, and cleanup - Logging and audit configuration - Access control lists and rule evaluation logic |
| Firewall Technologies and Architecture | - Stateful and stateless firewall concepts - Next-generation firewall capabilities - Firewall deployment models (perimeter, distributed, host-based) |
GIAC Certified Firewall Analyst Sample Questions:
Question 1
Host-based IDS (HIDS) is an Intrusion Detection System that runs on the system to be monitored.
HIDS monitors only the data that it is directed to, or originates from the system on which HIDS is installed. Besides monitoring network traffic for detecting attacks, it can also monitor other parameters of the system such as running processes, file system access and integrity, and user logins for identifying malicious activities. Which of the following tools are examples of HIDS?
Each correct answer represents a complete solution. Choose all that apply.
A. BlackIce Defender
B. HPing
C. Legion
D. Tripwire
Question 2
Which of the following are open-source vulnerability scanners?
A. Nikto
B. Nessus
C. NetRecon
D. Hackbot
Question 3
What is the easiest way to verify that name resolution is functioning properly on a TCP/IP network?
A. Ping the source host with its computer name.
B. Ping the source host with its IP address.
C. Use the TRACERT command with the /pingname parameter.
D. Check the IP statistics on the file server.
Question 4
You work as a Network Administrator for Tech Perfect Inc. The company has a wireless LAN infrastructure. The management wants to prevent unauthorized network access to local area networks and other information assets by the wireless devices. What will you do?
A. Implement a firewall.
B. Implement a dynamic NAT.
C. Implement an ACL.
D. Implement a WIPS.
Question 5
Passive OS fingerprinting (POSFP) is configured in an organization's network in order to improve the alert output by reporting some information. Which of the following information does it include?
Each correct answer represents a part of the solution. Choose all that apply.
A. Network security device
B. Relevancy to the victim in the alert
C. Victim OS
D. Source of the OS identification
Solutions:
| Question 1 Answer: A,D | Question 2 Answer: A,B,D | Question 3 Answer: A | Question 4 Answer: D | Question 5 Answer: B,C,D |






