[ntp:hackers] Re: casting and wildcards

David L. Mills mills at udel.edu
Tue Aug 2 20:49:29 PDT 2005


Then the wildcard interface will never appear in the peers data 
structure and a zero local source address will never appear, right? If 
so, I can weedwack some more dead code.

Dave

Danny Mayer wrote:

> Dave,
>
> Harlan asked me to confirm to you that we no longer use the wildcard 
> sockets for either broadcast or multicast clients. We still bind to 
> the wildcard ports but drop all packets arriving there. In fact we 
> bind to all 123/UDP ports irrespective of whether or not they are 
> used. This prevents another ntp daemon from listening on anther 
> interface and causing interference with the clock adjustments. This is 
> deliberate and improves the security of the daemon.
>
> So you can pull the wildcard weeds, we don't use it.
>
> Danny





More information about the hackers mailing list