Which of the Following Filtering Rules of the Firewall Is

Multiple Choice

Which of the following filtering rules of the firewall is considered a stateful rule ?

A) If source IP = 172.16.x.x to 172.31.x.x or 192.168.x.x, then drop the packet.
B) If TCP destination port = 21, then drop the packet. ‏
C) If the URL = www.darkspace.xxx, then drop the packet.‏
D) If destination IP = 161.154.23.59 and TCP port = 80, then pass the packet.
E) If the source and destination sockets of an arriving packet match those of a session established, then pass the packet.