A customer wants to increase firewall security. Which of the following are common reasons for implementing port security on the firewall? (Select TWO).

The correct answer is C. Shielding servers from attacks on internal services D. Blocking external probes for vulnerabilities. Port security is required because if we keep the ports unsecure then hackers can do port scanning and can compromise the internal secured network so we will have to shield servers to avoid attacks from outside and we need to block incoming scanning request coming from outside.

Network security

Question

Options

APreventing dictionary attacks on user passwords
BReducing spam from outside email sources
CShielding servers from attacks on internal services
DBlocking external probes for vulnerabilities
EDirecting DNS queries to the primary server

How the community answered

(28 responses)

A
4% (1)
B
14% (4)
C
79% (22)
E
4% (1)

Explanation

Port security is required because if we keep the ports unsecure then hackers can do port scanning and can compromise the internal secured network so we will have to shield servers to avoid attacks from outside and we need to block incoming scanning request coming from outside.

Topics

#port security#firewall rules#vulnerability scanning#network defense

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