Tag Archives: nmap

Checking all open ports on a network using nmap

nmap -n 10.0.0.1/24 -PS

This will give you something similar to the following:

 

Nmap scan report for 10.0.0.1
Host is up (0.00082s latency).
Not shown: 993 closed ports
PORT     STATE    SERVICE
20/tcp   filtered ftp-data
21/tcp   filtered ftp
80/tcp   open     http
443/tcp  open     https
2602/tcp open     ripd
5000/tcp open     upnp
5100/tcp open     admd

Nmap scan report for 10.0.0.12
Host is up (0.00022s latency).
Not shown: 993 filtered ports
PORT      STATE SERVICE
80/tcp    open  http
135/tcp   open  msrpc
139/tcp   open  netbios-ssn
445/tcp   open  microsoft-ds
2869/tcp  open  unknown
3389/tcp  open  ms-term-serv
49154/tcp open  unknown

Nmap scan report for 10.0.0.17
Host is up (0.00031s latency).
All 1000 scanned ports on 10.0.0.17 are closed

Nmap scan report for 10.0.0.20
Host is up (0.013s latency).
Not shown: 999 closed ports
PORT      STATE SERVICE
62078/tcp open  iphone-sync

Nmap scan report for 10.0.0.37
Host is up (0.00017s latency).
Not shown: 999 closed ports
PORT   STATE SERVICE
80/tcp open  http