Re: source-mac filtering

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On Sun, Jan 11, 2004 at 05:50:52PM +0000, Antony Stone wrote:

> On Sunday 11 January 2004 5:39 pm, Håkan Engblom wrote:
> 
> > Yes, I've come to realize that.
> >
> > Is it technically necessary for the dhcp-server to do so, or could it be
> > that some other dhcpd behaves different ?
> 
> It is technically necessary, because DHCP clients do not have IP addressing 
> information when they begin the communication; everything is done using 
> ethernet broadcasts.   Such packets cannot be acquired using a standard 
> socket bind, so the server application needs to listen at a lower level than 
> the TCP/IP stack allows.

I guess he's asking why dhcp-server uses NETLINK. Your answer is for the
clients, right?

Ramin



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