What is the primary difference between proxy and packet filtering when the firewall is making a
decision
as to whether it should or should not allow a packet through?

A.
Both Proxy and Packet filtering filter based upon identical criteria.

B.
Proxy can filter according to the information contained in the header and payload of the packet.

C.
Proxy can filter based only upon information contained in the header of the packet.

D.
Packet filtering can filter based only upon information contained in the header of the packet.

E.
Packet filtering can filter according to the information contained in the header and payload of
the packet.