You are building the rules of your new firewall. You wish to allow only (Internal) access to smtp
email on the Internet (External). You wish for all other traffic to be disallowed. Which of the
following rules will you have to implement to make this happen?
A.
Direction: Inbound, Protocol: TCP, Source IP: Internal, Destination IP: External, Source Port:
25, Destination
Port: >=1024, Action: Allow.
B.
Direction: Outbound, Protocol: TCP, Source IP: External, Destination IP: Internal, Source Port:
25,
Destination Port: >=1024, Action: Allow.
C.
Direction: Outbound, Protocol: TCP, Source IP: Internal, Destination IP: External, Source Port:
>=1024,
Destination Port: 25, Action: Allow.
D.
Direction: Inbound, Protocol: TCP, Source IP: External, Destination IP: Internal, Source Port:
25, Destination
Port: >=1024, Action: Allow.
E.
Direction: Inbound, Protocol: SMTP, Source IP: Internal, Destination IP: External, Source Port:
25,
Destination Port: >=1024, Action: Allow