A customer wants to increase firewall security. Which of the following are common reasons for
implementing port security on the firewall? (Select TWO).
A.
Preventing dictionary attacks on user passwords
B.
Reducing spam from outside email sources
C.
Shielding servers from attacks on internal services
D.
Blocking external probes for vulnerabilities
E.
Directing DNS queries to the primary server
Most attacks occur within the network.
Firewall prevent others from trying to gather information on a network.