minissdpd, why?

Question

Hi,

I've been running a Pi with Raspbian & an external USB drive as a sort of home server for about 2 months. In the past 2 or 3 days only, & in short bursts, minissdpd has started putting stuff in the syslog like

24 devices removed (good-bye!)

device not found for removing : uuid:[...]:urn:[...] (repeated many times with some repetition & variation in the [...] bits)

16 new devices added

There doesn't seem to be much information on the WWW about this service or what I would want to use it for. Should I just disable the daemon in '/etc/defaults/minissdpd', or remove the package? What do the messages tell me about stuff happening on my LAN? Why have they only just started appearing?

Thanks.

Roger Bell_West · Accepted Answer

$ aptitude show minissdpd

MiniSSDPd is a small daemon used by MiniUPnPc (a UPnP control point for IGD devices) to speed up device discoveries. MiniSSDPd keeps memory of all UPnP devices that announced themselves on the network through SSDP NOTIFY packets. MiniSSDPd also has the ability to handle all SSDP traffic received on a computer via the multicast group 239.255.255.250:1900.

So are you using UPnP? If not, you might as well purge that and miniupnpc, libminiupnpc8, python-miniupnpc, etc.

Adam Funk · Answer

AFAICT, I'm not using UPnP, but I'm now wondering what all these things are that it keeps discovering. --  A heretic is someone who shares ALMOST all your beliefs. Kill him.   --- Ivan Stang

Rob · Answer

There are lots of things that you better remove when you want a deterministic system, like "ifplugd", "avahi-daemon", "minissdpd" and probably even more. Those gadget are written by the people who want to convert Linux into Windows, including the unreliability.

David · Answer

Is the Pi visible to the Internet?

Just asking because I recently read of vulnerabilities in some routers which were being exploited via SSDP.

Not the one I read, but it does mention DDoS and the SSDP protocol.

Cheers

Dave R

Adam Funk · Answer

No. --  If hard data were the filtering criterion you could fit the entire contents of the Internet on a floppy disk.         --- Cecil Adams

minissdpd, why?

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