GCFW Exam Dumps : GIAC Certified Firewall Analyst

You work as a Forensic Investigator. Which of the following rules will you follow while working on a case?

Each correct answer represents a part of the solution. Choose all that apply.

The simplest form of a firewall is a packet filtering firewall. Typically a router works as a packet-filtering firewall and has the capability to filter on some of the contents of packets. On which of the following layers of the OSI reference model do these routers filter information?

Each correct answer represents a complete solution. Choose all that apply.

You work as a Network Administrator for Tech Perfect Inc. The company has a TCP/IP-based network.

A firewall has been configured on the network. You configure a filter on the router. You verify that SMTP operations have stopped after the recent configuration. Which of the following ports will you have to open on the router to resolve the issue?