Beginner’s Guide to Nmap

What is Nmap? Short for “network mapper,” nmap is a veritable toolshed of functionality to perform network scans. It can be used for security scans, simply to identify what services a host is running, to “fingerprint” the operating system and applications on a host, the type of firewall a host is using, or to do a quick inventory of a local network. It is, in short, a very good tool to know.

Rest Here…

Here are a few quick and dirty scans:

p.s. rtfm… Nmap Ref Guide

Scan The 100 most popular ports
nmap –top-ports 100 $target

Intense Scan
nmap -T4 -A -v -PE -PS22,25,80 -PA21,23,80,3389

Intense Scan Plus UDP
nmap -sS -sU -T4 -A -v -PE -PS22,25,80 -PA21,23,80,3389

Intense Scan, All TCP Ports
nmap -p 1-65535 -T4 -A -v -PE -PS22,25,80 -PA21,23,80,3389

Intense Scan, No Ping
nmap -T4 -A -v -PN

Ping Scan
nmap -sP -PE -PA21,23,80,3389

Quick Scan
nmap -T4 -F

Quick Scan Plus
nmap -sV -T4 -O -F –version-light

Quick Traceroute
nmap -sP -PE -PS22,25,80 -PA21,23,80,3389 -PU -PO –traceroute

Regular Scan

Slow Comprehensive Scan
nmap -sS -sU -T4 -A -v -PE -PP -PS21,22,23,25,80,113,31339 -PA80,113,443,10042 -PO --script all

grinchy scan
nmap -p 1-65535 -sT -PN -T2 -A -v -v ip.ip.ip.ip


I am a g33k, Linux blogger, developer, student and Tech Writer for My passion for all things tech drives my hunt for all the coolz. I often need a vacation after I get back from vacation....

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