Nmap uses incrementing Time-To-Live packets to determine the path into a network as well as the default firewall policy.

Name: Nmap uses incrementing Time-To-Live packets to determine the path into a network as well as the default firewall policy.
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Quizplus · Accepted Answer

Nmap does not use incrementing Time-To-Live (TTL) packets for path determination or firewall policy detection; it uses techniques like SYN scans and ACK scans for such purposes. Incrementing TTL is a technique used by traceroute, not Nmap.

Nmap Uses Incrementing Time-To-Live Packets to Determine the Path into a Network