minissdpd listen for SSDP traffic and keeps track
of what are the UPnP devices up on the network.
The list of the UPnP devices is accessed by programs
looking for devices, skipping the UPnP discovery process.
debug : do not go to background, output messages to console
and do not filter out low priority messages.
path of the unix socket open for communicating with other processes.
By default /var/run/minissdpd.sock is used.
path of the file where pid is written at startup.
By default /var/run/minissdpd.pid is used.
IP address of the interface used to listen to SSDP packets
comming on port 1900, multicast address 220.127.116.11.