Common Nmap scan parameters

Source: Internet
Author: User

Network mapper (NMAP) is a powerful scanner that is often used in network security penetration testing. Below we will introduce several scanning parameters, mainly from the Internet:

1) obtain the system type and open port of the remote host

nmap -sS -P0 -sV -O

<Target> can be a single IP address, host name, domain name, or subnet.

-Ss tcp syn scan (also known as semi-open or stealth scan)

-P0 allows you to Disable ICMP pings.

-SV: Enable System Version Detection

-O attempts to identify remote operating systems

Other options:

-A: Enable the operating system fingerprint and version detection at the same time.

-V: Output Scan details.

nmap -sS -P0 -A -v < target >

2) list hosts with specified ports Enabled

nmap -sT -p 80 -oG – 10.0.1.* | grep open

3) Search for all online hosts on the network

nmap -sP 10.0.1.*

4) ping the IP address within the specified range

nmap -sP

5) Search for unused IP addresses on a subnetwork

nmap -T4 -sP && egrep “00:00:00:00:00:00″ /proc/net/arp

6) scan the Conficker worm on the LAN.

nmap -PN -T4 -p139,445 -n -v –script=smb-check-vulns –script-args safe=1

7) scan malicious access points on the network

nmap -A -p1-85,113,443,8080-8100 -T4 –min-hostgroup 50 –max-rtt-timeout 2000 –initial-rtt-timeout 300 –max-retries 3 –host-timeout 20m –max-scan-delay 1000 -oA wapscan

8) scan host ports using bait scanning methods

sudo nmap -sS -D

9) How many Linux and win devices are displayed on the network?

nmap -F -O|grep "Running:" >/tmp/os; echo "`cat /tmp/os |grep linux |wc -l` Linux dervice(s)"; echo "`cat /tmp/os |grep Windows |wc -l` Windows Device"

This article is from the "DBQ blog" and will not be reproduced!

Common Nmap scan parameters

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.