--------
In message <[email protected]>, Florian Teply
 writes:

>Of course proper authentication would make this kind of attack more
>difficult, but as far as I can see, I'd estimate the amount of
>authenticated NTP traffic on the internet to be negligible.

That's because the standardized way of doing it doesn't really work.

>> The only real cure is to have your own NTP servers.
>> 
>Which then of course must not rely on external sources for their time,

Obviously.  There is no free lunch.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
[email protected]         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.
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