Port Scanning

Question 1

(True|False) Dock searching identifies open ports on a target device by sending
packets to the device’s IP address or hostname/domain name

Answer 1

False, Port scanning

Question 2

Port State: actively accepting connections; Service is running and available for
communication

Answer 2

Open

Question 3

Port State: accessible but not accepting connections ; No service is running, but the host is reachable

Answer 3

Closed

Question 4

Port State: blocked by firewall or other security device ; The port is unreachable, and no response is
received

Answer 4

Filtered

Question 5

List some uncommon port states:
(hint: NOT open, closed, filtered)

Answer 5

 Unfiltered
 Open | Filtered
 Closed | Filtered

Question 6

Why is port scanning important?

Answer 6

It can find vulnerabilities within
network devices