UDP broadcast

[Andrey V. Elsukov]

On 06.03.2019 15:53, Goran Mekić wrote:
> I checked, and 02:c9:63:0b:f4:00 is my router MAC, so I suppose the
> ff:ff:ff:ff:ff:ff should be what I see.
> 
> Of course, I tried to write a simple C program that does the same, but
> just using 255.255.255.255 as IP address gives the same result as nc. Do
> I need to use raw sockets, perheps?

Take a look at ip(4) manual page, read about SO_BROADCAST and IP_ONESBCAST.

-- 
WBR, Andrey V. Elsukov

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