nanog mailing list archives
Re: Need trusted NTP Sources
From: Jay Ashworth <jra () baylink com>
Date: Sat, 8 Feb 2014 19:46:40 -0500 (EST)
----- Original Message -----
From: "Jimmy Hess" <mysidia () gmail com>
Don't forget poor performance due to high latency, or Server X emitting corrupted or inaccurate data
My two internal servers were my two uplink firewalls, and were pretty thoroughly monitored. Had NTP gone insane, I've had heard about it. Remember that 3 of the 8 peers on each machine were pool.ntp.org machines, so the cluster, as a cluster, actually had *nine* external peers, each machine having 3 in common, and three which were not (each machine was a DNS resolver, so they didn't share a name cache on "*.us.pool.ntp.org" Cheers, -- jra Cheers, -- jra -- Jay R. Ashworth Baylink jra () baylink com Designer The Things I Think RFC 2100 Ashworth & Associates http://www.bcp38.info 2000 Land Rover DII St Petersburg FL USA BCP38: Ask For It By Name! +1 727 647 1274
Current thread:
- Re: Need trusted NTP Sources, (continued)
- Re: Need trusted NTP Sources Nick Hilliard (Feb 06)
- Re: Need trusted NTP Sources Notify Me (Feb 06)
- Re: Need trusted NTP Sources Nick Hilliard (Feb 06)
- Re: Need trusted NTP Sources Chris Adams (Feb 06)
- Re: Need trusted NTP Sources Notify Me (Feb 06)
- Message not available
- Re: Need trusted NTP Sources Notify Me (Feb 06)
- Re: Need trusted NTP Sources Aled Morris (Feb 06)
- Re: Need trusted NTP Sources Mark Milhollan (Feb 06)
- Re: Need trusted NTP Sources Jay Ashworth (Feb 06)
- Re: Need trusted NTP Sources Saku Ytti (Feb 07)
- Re: Need trusted NTP Sources Jimmy Hess (Feb 07)
- Re: Need trusted NTP Sources Jay Ashworth (Feb 08)
- Re: Need trusted NTP Sources Roy (Feb 07)
- RE: Need trusted NTP Sources Matthew Huff (Feb 07)
- Re: Need trusted NTP Sources Jared Mauch (Feb 07)
- Re: Need trusted NTP Sources Anthony Williams (Feb 07)
- You need a VLAN to the foot of NIST ITS services - no problem - we got you covered. Re: Need trusted NTP Sources TGLASSEY (Feb 07)
- Re: Need trusted NTP Sources Bryan Seitz (Feb 07)
- Re: Need trusted NTP Sources Notify Me (Feb 06)
- Re: Need trusted NTP Sources Majdi S. Abbas (Feb 08)
- Re: Need trusted NTP Sources Nick Hilliard (Feb 06)
- Re: Need trusted NTP Sources Jay Ashworth (Feb 08)
- Re: Need trusted NTP Sources Jay Ashworth (Feb 08)
- Re: Need trusted NTP Sources Saku Ytti (Feb 09)