Which of the following would be used in a firewall to block incoming TCP packets that are not from established connections?
A. Access control lists
B. Port address translation
C. Blocking unauthorized ports
D. Stateful inspection
Which of the following would be used in a firewall to block incoming TCP packets that are not from established connections?
A. Access control lists
B. Port address translation
C. Blocking unauthorized ports
D. Stateful inspection