"Brian Utterback" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> This brings up a an interesting question. Is there anywhere in any of
> the published or proposed RFC's related to NTP that explicitly states
> that NTP requires that the response packet have the same IP source
> address as that of the original request packet's destination address?
> Or is that merely an artifact of the reference implementation? I
> know that the protocol will fail if the addresses do not match, so
> there is an implicit requirement, but it ever explicitly stated?
I think if you can make the argument that the source address doesn't
have to match the destination of the query, you can equally well argue that
the destination address doesn't have to match the source of the query. ;)
Or, to put it another way, as soon as you layer a request/reply protocol
on top of UDP, the default presumption would be that the reply MUST have the
same source as the query's destination and vice-versa.
DS
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