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Re: Regarding UDP sockets
On Wed, Apr 12, 2000 at 09:35:02AM +0530, RK Patil wrote:
> I want to know how to receive the packet sent by this at the client
> running on another machine. I will not know the server address, but i
> have set the server and client port numbers as 2000 and 2001
open a socket, bind it to client;2001 and then do a recvfrom.
> Right now, At the server side i am getting an error "Send to:
> permission denied"
FreeBSD man pages say:
The option SO_BROADCAST requests permission to send broadcast datagrams
on the socket. Broadcast was a privileged operation in earlier versions
of the system.
Looking into Linux 2.3.x code, I don't see any access checks. Try your
program as root to see if it works.