[ntp:hackers] Dlink is abusing almost *ALL* stratum 1 servers :-(
Danny Mayer
mayer at ntp.isc.org
Mon Apr 10 12:43:23 UTC 2006
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Content preview: David Malone wrote: >> I guess we also need to add a
recommendation not to run an HTTP server >> on any publicly announced
NTP server. > > The pool.ntp.org pages currently recommend running a web
server, > but I guess they have a relatively good reason for it. We also
see > quite a number of people trying to use services like time and >
daytime. I guess all these are occupational hazzards when you provide >
a public NTP service. > > (Actually, I once tried to get a server added
to ie.pool.ntp.org, > but at the time I couldn't join that without also
joining the global > pool.ntp.org. Does anyone know if this has
changed?) > >> I'm not even sure why you would >> use HTTP for this
anyway. Corporate networks should be running an NTP >> server inside the
firewall that clients can use. If they don't then the >> clients should
probably not be running unauthorized software. For >> personal use they
can open up the firewall to NTP packets just like HTTP. > > Indeed - the
reasoning was that lots of people were stuck behind > HTTP-only proxies
and these users were actually requesting such > a feature. I've put a
link to an unpassword protected version of > the ;login: article at: > >
http://www.maths.tcd.ie/~dwmalone/time/ > > if anyone couldn't get it
from the Usenix site. > > David. > [...]
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