Home Network & IoT
Nmap OS/service fingerprint (LAN inventory)
Use -O/-sV carefully to label device types on your home network.
Authorized testing only. Practice on systems you own, isolated labs, or targets with written permission. Unauthorized access is illegal.
When
Building a spreadsheet of every device: phone, TV, cam, PC, Pi.
How
Run against live hosts; correlate MAC OUI + open ports + OS guess.
Why
You cannot secure what you have not identified.
Commands & usage
sudo nmap -O -sV 192.168.1.0/24 --osscan-limit
nmap -sV --version-intensity 5 192.168.1.15
Commands are educational examples. Adapt hosts, paths, and rates to your authorized scope.
Tags
Related in Home Network & IoT
Zenmap
Official Nmap GUI for visual topology and profile-based scanning.
Fing
Consumer-friendly network scanner for device inventory and internet checks.
Advanced IP Scanner
Fast Windows LAN scanner with remote RDP/HTTP shortcuts for found hosts.
nbtscan
Scans for NetBIOS name information on Windows/Samba hosts.
avahi-browse / dns-sd (mDNS)
Discovers mDNS/Bonjour services (Chromecast, printers, HomeKit, NAS).
ss / netstat / lsof
Show listening ports and connections on your own machines.