Sorry for wasting space - I am an idiot. I created a TCP socket and I was expecting a UDP packet to be sent. I just forgot about what I wrote before... :-/
Dominik Taborsky Wrote: > Hi, > > how do I broadcast a UDP packet? > I set the BROADCAST option on the socket (do I really have to) and then use > the address x.y.z.255 to broadcast it. The IP address is correctly set. I use > it this way: > socket_instance.sendTo(char[] packet, new InternetAddress(addr, port)); > > It returns -1 bytes sent, which I consider as an error. What am I missing? > > Thanks in advance, Dominik
