socket's address binding

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Hi all,

I have one doubt regarding binding sockets to IP addresses:

When I don't bind an UDP socket to a specific local IP address, that socket may receive packets from any interface. But imagine that one IP address of one of my local interfaces changes, will I be able to continue receiveing packets from that interface using the previous socket? What does the kernel do when I create a socket without binding it to a local IP address, does it bind it to all my IP's at the time the socket was created?

Best Regards

Filipe

--
Filipe Lameiro Abrantes
INESC Porto
Campus da FEUP
Rua Dr. Roberto Frias, 378
4200-465 Porto
Portugal

Phone: +351 22 209 4266
E-mail: fla@xxxxxxxxxxxxx
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