Which of the following can be the reasons for your problems?

You work as a Network Administrator for ABC Inc. The company has a TCP/IP network. You have been assigned a task to configure a stateful packet filtering firewall to secure the network of the company. You are encountering some problems while configuring the stateful packet filtering firewall.

Which of the following can be the reasons for your problems? Each correct answer represents a complete solution. (Choose all that apply.)
A . It contains additional overhead of maintaining a state table.
B . It has limited logging capabilities.
C . It has to open up a large range of ports to allow communication.
D . It is complex to configure.

Answer: A,D