[ntp:questions] Re: restrict options
Danny Mayer
mayer at gis.net
Tue Jul 12 02:40:37 UTC 2005
Harlan Stenn wrote:
> Dave,
>
> As I understand it, the problem is the "restrict" line allows one to use
> a name but if the name resolves to multiple IPs then only the first IP
> returned is used for that "restrict" clause.
>
We could actually add all of them but I don't think that's a good idea.
You only want to add the one that gets used. The problem is figuring out
which one that is.
> This problem is compounded for the case where there are "enough" IPs that
> they will not all fit in a single return packet.
>
If you mean one DNS UDP packet, EDNS0 helps a lot. Otherwise you notice
the truncation bit is set and try again using TCP.
Danny
> H
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