Home Network & IoT
UPnP discovery (upnpc / miranda)
Discovers UPnP/IGD devices and port mappings on the LAN.
Authorized testing only. Practice on systems you own, isolated labs, or targets with written permission. Unauthorized access is illegal.
When
Checking whether games/apps punched holes through your router.
How
Discover IGD; list redirections; delete stale mappings; consider disabling UPnP.
Why
Unexpected port forwards are a common home exposure.
Commands & usage
upnpc -l
upnpc -d <ext_port> TCP
miranda # interactive UPnP explorer
Commands are educational examples. Adapt hosts, paths, and rates to your authorized scope.
Tags
Related in Home Network & IoT
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nbtscan
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Discovers mDNS/Bonjour services (Chromecast, printers, HomeKit, NAS).
ss / netstat / lsof
Show listening ports and connections on your own machines.