An attacker is using nmap to do a ping sweep and a port scanning in a subnet of 254 addresses. In which order should he perform these steps?

Last Updated on August 14, 2021 by Admin

An attacker is using nmap to do a ping sweep and a port scanning in a subnet of 254 addresses.

In which order should he perform these steps?

  • The sequence does not matter. Both steps have to be performed against all hosts.
  • First the port scan to identify interesting services and then the ping sweep to find hosts responding to icmp echo requests.
  • First the ping sweep to identify live hosts and then the port scan on the live hosts. This way he saves time.
  • The port scan alone is adequate. This way he saves time.
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