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тАО12-05-2000 01:59 PM
тАО12-05-2000 01:59 PM
However I don't know how to take the next most important step, which is having the master server(s) in our Intranet accept broadcasts from an Internet Stratum-1 server. Nor do I know the IP address of a Stratum-1 server.
I'm assuming the master in our Intranet would also need to be configured as a client to accept broadcasts from a Stratum-1 server on the Internet, thus the master must have access to the Internet. Additionally, I believe I'd need to be able to ping this Stratum -1.
I apologize if this has been hashed over numberous times on the forum, possibly I'm missing something obvious.
Could someone please provide a link or answer to this question?
Thanks,
Solved! Go to Solution.
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тАО12-05-2000 02:30 PM
тАО12-05-2000 02:30 PM
Solutionhttp://my1.itrc.hp.com/cm/QuestionAnswer/1,1150,0xe95f7e990647d4118fee0090279cd0f9!0,00.html
http://my1.itrc.hp.com/cm/QuestionAnswer/1,1150,0xe95f7e990647d4118fee0090279cd0f9!0,00.html
..and to answer your questions:
rather than accepting broadcasts from the internet, I would rather suggest that you pool the server - you can check the list at: http://www.eecis.udel.edu/~mills/ntp/clock1.htm
for a list of publicly accessible ntp servers.
If you are behind a firewall, you would have to get your firewall admin to let your ntp traffic through.
Good luck
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тАО12-05-2000 02:35 PM
тАО12-05-2000 02:35 PM
Re: poll a stratum-1 server
Follow this URL for configuration information.
http://docs.hp.com/hpux/onlinedocs/B2355-90759/B2355-90759.html
I don't think its a good idea to allow Internet-ntp-broadcasts into your network. Let your server be a client to stratum-n server on the internet and also a brodcast-server in your lan.
Hope this helps.
...Madhu
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тАО12-05-2000 09:59 PM
тАО12-05-2000 09:59 PM
Re: poll a stratum-1 server
there is however a stratum-1 (?) time server at ntp-cup.hp.com that i know has been discussed out in netnews. it gets time via a GPS receiver
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тАО12-05-2000 10:10 PM
тАО12-05-2000 10:10 PM
Re: poll a stratum-1 server
If security is a REALLY big thing, NTP has the capability of secure authentication. You will need to make special arangements with a couple of the stratum 1 providers to accomplish it though (probably with a fee). My guess is that the only users that have a need for this level of security are organizations like the military, high level financial institutions, etc. I would bet that Al Gore has NTP in use at his residence in the Naval Observatory compound, but I wonder if across town at the White House if they are syncing with NTP at all?