[ntp:questions] Re: server's address in ntp payload?

Danny Mayer mayer at ntp.isc.org
Sat Nov 26 21:36:29 UTC 2005


brian.utterback at sun.com wrote:
> The real questions I have are:
> 
> 1. Does the NTP protocol (modulo the crypto extensions) really require
> that
> the addresses match?

No, it's not a protocol requirement except with respect to autokey.

> 2. If it does, is that a flaw, or is it a fundemental result of the
> design goals
> of NTP?

No.

> 3. If it is a flaw in the NTP protocol, how could it be repaired?

No.

> 4. Can the crypto functions be made to work given the answer to
> question 3?
> 
No. The source and destination addresses are an integral part of the
autokey scheme. See the authopt.html page.

Danny




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