Nmap Flags

Question 1

-iL <xxx></xxx>

Answer 1

Scan targets from a file

Question 2

-iR <xxx></xxx>

Answer 2

Scan <xxx> random hosts</xxx>

Question 3

-sS

Answer 3

TCP SYN port scan (Default)

Question 4

-sT

Answer 4

TCP connect port scan (Default without root privilege)

Question 5

-sU

Answer 5

UDP port scan

Question 6

-sA

Answer 6

TCP ACK port scan

Question 7

-sW

Answer 7

TCP Window port scan

Question 8

-sM

Answer 8

TCP Maimon port scan

Question 9

-sL

Answer 9

No Scan. List targets only

Question 10

-sn

Answer 10

Disable port scanning. Host discovery only

Question 11

-Pn

Answer 11

Disable host discovery. Port scan only

Question 12

-PS

Answer 12

TCP SYN discovery on port x. Port 80 by default

Question 13

-PA

Answer 13

TCP ACK discovery on port x. Port 80 by default

Question 14

-PU

Answer 14

UDP discovery on port x. Port 40125 by default

Question 15

-PR

Answer 15

ARP discovery on local network

Question 16

-n

Answer 16

never do DNS resolution

Question 17

-p-

Answer 17

Scan all ports

Question 18

-sV

Answer 18

Attempts to determine the version of the service running on the port

Question 19

-A

Answer 19

Enables OS detection, version detection, script scanning, and traceroute

Question 20

-O

Answer 20

Remote OS detection using TCP/IP fingerprinting

Question 21

-f

Answer 21

Requested scan use tiny fragmented IP packets

Question 22

-D

Answer 22

Send scans from spoofed IP

Question 23

-oN normal.file

Answer 23

Normal output to the file normal.file

Question 24

-oX xml.file

Answer 24

XML output to the file xml.file

Question 25

-oG grep.file

Answer 25

Grepable output to the file grep.file

Question 26

-oA

Answer 26

Output in the three major formats at once