Explain why an organization's firewall should block outgoing packets the source addresses of which are not in the organization's address space.

An organization has a network architecture similar to that discussed in class, with a DMZ and an internal network. Should the organization's Active Directory server go in the DMZ or the internal network. Explain your answer in about a paragraph. (If you're not familiar with Active Directory, do some research!)

Distinguish among packet filtering firewalls, stateful inspection firewalls, and proxy firewalls. A thorough answer will require at least a paragraph for each type of firewall.

Acme Corporation wants to be sure employees surfing the web aren't victimized through drive-by downloads. Which type of firewall should Acme use? Explain why your answer is correct.