-iL
Scans hosts from a file
-iR #
Scan # randomn hosts
-sS
TCP port scan
-sT
TCP connect port scan
-sU
UDP port scan
-sA
TCP ACK port scan
-sW
TCP window port scan
-sN
No scan host discovery only
-Pn
No host scan port scan only
-PR
ARP discovery on local net
-n
No dns resolution
-p
Specify port
-p #-#
Range of ports
-p-
Scan all ports
-F
Fast port scan of 100 ports
-sV
Version of service running on open ports
-A
Enables is detection, version detection, script scanning and traceroute
-O
Remote OS detection
-sC
Scan with default NSE scripts
-f
Using tiny fragmented packets for firewall evasion
-D
Scans sends from spoofed ip