Re: limit dhclient to one server only?

[Patrick Welche <prlw1%cam.ac.uk@localhost>]

On Fri, Aug 16, 2013 at 10:41:43AM +0300, Jukka Marin wrote:
> On Fri, Aug 16, 2013 at 08:38:38AM +0100, Patrick Welche wrote:
> > > > I haven't tried it, but in dhcpcd.conf(5), this looks promising:
> > > > 
> > > >      whitelist address[/cidr]
> > > >              Only accept packets from address[/cidr].  blacklist is 
> > > > ignored if
> > > >              whitelist is set.
> > > 
> > > Thanks, but in this case the clients don't know the server's address :(
> > 
> > So how is it a "known DHCP server"? IPSEC on bootps/bootpc ports?
> 
> It should supply a special option value or something like that to the clients,
> allowing the clients to recognize it as "our server".

Something like a "vendor encapsulated option"?

P