[dba-Tech] Who (or what) is 239.255.255.250

> router and DHCP Server that is my NETWORK "firewall" just behind the cable
> modem.  It is sending to 239.255.255.250 UDP port 1900.  I googled
> 239.255.255.250 and get nothing.
> 
.....
> 
> I opened my router (Dlink 624 wireless / 4 port) software (browser) and
> looked for port forwarding on that port but don't see any.  Is it the router
> trying to talk to something on the network?
> 

It's a multicast by the SSDP Service. In other words,  your router keeps on 
yelling "Here I am" just in case some other device is suddenly added to the 
network and needs to know about it.



-- 
Stuart