On Jul 23, 2007, at 7:10 AM, Oliver Fromme wrote:
[LoN]Kamikaze <[EMAIL PROTECTED]> wrote:
server 0.de.pool.ntp.org minpoll 4 maxpoll 8
server 1.de.pool.ntp.org minpoll 4 maxpoll 8
server 2.de.pool.ntp.org minpoll 4 maxpoll 8
server ntp1.rz.uni-karlsruhe.de minpoll 4 maxpoll 8
server ntp2.rz.uni-karlsruhe.de minpoll 4 maxpoll 8
server ntp3.rz.uni-karlsruhe.de minpoll 4 maxpoll 8
server ntp4.rz.uni-karlsruhe.de minpoll 4 maxpoll 8
restrict default ignore
restrict 127.0.0.1
You need to add proper restrict lines for the servers,
of course. Basically you have configured ntpd to
ignore all servers.
Also, putting "minpoll 4 maxpoll 8" on all servers is
somewhat suboptimal and puts an unnecessary burden on the
servers and networks without reason. I recommend to use
low polling intervals and the iburst option for one or
two local servers only (e.g. for NTP servers located in
your direct upstream or at your ISP), and higher polling
intervals for other public servers.
I wish to second what Oliver has said, only more strongly: using
"minpoll 4" is considered abusive and a misuse of the NTP pool. From
http://www.pool.ntp.org/use.html
"Be friendly. Many servers are provided by volunteers, and almost
all time servers are really file or mail or webservers which just
happen to also run ntp. So don't use more than three time servers in
your configuration, and don't play dirty tricks with burst or minpoll
- all you will gain is that this project will be stopped sooner or
later."
No machine should ever poll faster than once a minute (aka "minpoll
8") to someone else's timeserver without prior agreement. For an
example of a reasonable client config, MacOS X uses a minpoll of 12
and a maxpoll of 17.
--
-Chuck
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