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When a UDP broadcast is received (destination IP 255.255.255.255), the udp input function checks:
is it a broadcast ==> yes
AND
is the local pcb bound to INADDR_ANY?
OR
does the destination IP match into the local IP/netmask?
So when you have bound you udp socket to a specific IP instead of INADDR_ANY, it will never receive UDP broadcasts because 2) and 3) will eval to false.
==> a third check is needed
The text was updated successfully, but these errors were encountered:
When a UDP broadcast is received (destination IP 255.255.255.255), the udp input function checks:
AND
OR
So when you have bound you udp socket to a specific IP instead of INADDR_ANY, it will never receive UDP broadcasts because 2) and 3) will eval to false.
==> a third check is needed
The text was updated successfully, but these errors were encountered: