sudo kportscan 30 full --rate 10000 192.168.1.1 This sends 10,000 packets per second while still waiting 30 seconds for each distinct retransmission. This can reduce a full scan from 18 minutes to under 2 minutes on a gigabit network. Imagine you are conducting an internal penetration test. The client says, "We have a legacy ERP system on an odd port, but we lost the documentation."
sudo kportscan 30 full 192.168.1.100
kportscan.exe 30 full 10.0.0.45