How-To Geek on MSN

How to See All Devices on Your Network With nmap on Linux

Install nmap if you don't already have it on your Linux computer. Run "sudo apt-get install nmap" on Ubuntu, or "sudo dnf install nmap" on Fedora. To investigate devices, try looking up OUIs, scanning ...
Network World

Unix How To: Using nmap to Map Your Network

It is certainly well known that “hacker tools” can be used for many legitimate purposes. Nmap, the Network Mapper and security scanner is no exception. These days, it is used routinely to identify the ...
Computerworld

Unix Tip: Port scanning with nmap

A number of weeks ago, I provided and described a script that uses nmap to quickly scan a system or subnet for activity on a particular port. Useful for detecting, say, web servers or Oracle ...
Ars Technica

IPSec/L2TP VPN doesn't work on only one network; ports blocked?

1.) Using nmap (https://nmap.org) scan the ports associated with your VPN setup when it works. 2.) Repeat the scanning when it doesn't work. 3.) Compare results (paste them here if you want or paste ...
Linux Journal

Nmap—Not Just for Evil!

If SSH is the Swiss Army knife of the system administration world, Nmap is a box of dynamite. It's really easy to misuse dynamite and blow your foot off, but it's also a very powerful tool that can do ...
Ars Technica

Nmap uncovers android phone

[b]modem scan nmap[/b][b][/b] sudo nmap -v -O --osscan-guess 192.168.0.1/24 map scan report for 192.168.0.8 Host is up (0.0070s latency). Not shown: 999 closed ports PORT STATE SERVICE 5555/tcp open ...