Re: [ntp:questions] Looking for a NTP stratum 2 appliance

tratum *1* unit with the capability to use a "fallback" NTP source might be a better (and more readily available) indicator for that ... Regards, -- Jochen Bern Systemingenieur Fon:+49 6151 9067-231 Fax:+49 6151 9067-290 E-Mail: jochen.b...@binect.de www.binect.de www.facebook.d

Re: [ntp:questions] NTP under AIX?

S2 ntpds do the "clustering"] [closes shelf front with duck tape and writes "0 ft³/min strictly front-to-back airflow" on it with the best permanent marker money can buy] Regards, -- Jochen Bern Systemingenieur Fon:+49 6151 9067-231 Fax:+49 6151 9067-290 E-M

Re: [ntp:questions] set server to a non utc time by hand

er but let the Fritz!Box still believe it's in Germany, it will *start and end DST* according to German rules, which likely doesn't agree with your local DST. Kind regards, Jochen Bern Systemingenieur -- LINworks GmbH Fon:+49 6151 9067-231 Fax:+49 6151 9067-299 E-Mail: jochen.

Re: [ntp:questions] set server to a non utc time by hand

here seem to be ways to actually adapt the *device* (though it'll void your warranty) ... http://jochen.kirstaetter.name/blog/general/adjust-timezone-of-an-avm-fritzbox-7390.html Kind regards, Jochen Bern Systemingenieur -- LINworks GmbH Fon:+49 6151 9067-231 Fax:+49 6151 9067-299 E-M

Re: [ntp:questions] set server to a non utc time by hand

it, but also shift the time to shortly before a leap second slot - so the functionality you're looking for is *halfway* done in its code ... Kind regards, Jochen Bern Systemingenieur -- LINworks GmbH Fon:+49 6151 9067-231 Fax:+49 6151 9067-299 E-Mail: jochen.b...@linworks.de Web:h

Re: [ntp:questions] Leap Second on NTP server at stratum 2

tur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-Koch-Str. 9, 64331 Weiterstadt PGP (1024D/4096g) FP = D18B 4

Re: [ntp:questions] Leap Second on NTP server at stratum 2

cond in the morning. Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100

Re: [ntp:questions] NTP not syncing to configured servers

ight be an obstacle until you restart the client ntpd, too. Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Perfo

Re: [ntp:questions] NTP sync failing with error: Leap not in sync

server 2.centos.pool.ntp.org iburst *Pool* servers but you *consistently* get mis-synced? Hmmm ... :-/ MfG J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Vi

Re: [ntp:questions] Writing the drift file

own? Or would it be better to have it start with some sort of *average* value of the drift, rather than a "current" value that actually isn't ... ? Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http:/

Re: [ntp:questions] Leap-second test with ntpd

s-simulation-via-ntp Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <ht

Re: [ntp:questions] NTP offset doesn't change.

ckwork rejects" provides the push to the only *proper* solution, namely, to fix the hardware. Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Perf

Re: [ntp:questions] NTP offset doesn't change.

k" hard (step). Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64

Re: [ntp:questions] ntpd -x and leap seconds

t;, so the server should do the same. Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern,

Re: [ntp:questions] Leap second to be introduced in June

On 01/27/2015 10:16 AM, Terje Mathisen wrote: > Jochen Bern wrote: >> Because they chose the long window (about one day) and made it exceed >> the time an NTP peering needs to *act* on the perceived offset, yes. If > > That's a a key feature of the long adjustment perio

Re: [ntp:questions] Leap second to be introduced in June

e im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-Koch-Str. 9, 64331 Weiterstadt PGP (1024D/4096g) FP = D18B 41

Re: [ntp:questions] Leap second to be introduced in June

infinitesimal leaps to the exceedingly rare leap minute.) Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur ---

Re: [ntp:questions] Leap second to be introduced in June

NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-Koch-Str. 9, 64331 Weiterstadt PGP (10

Re: [ntp:questions] Leap second to be introduced in June

vailability of leap second info within whatever system they're designing (say, a mechanic wrist watch worn by an average human) is a pretty *solid* reason to claim inability to do so. Regards, J. Bern -- *NEU* - NEC IT-Infrastru

Re: [ntp:questions] Leap second to be introduced in June

e codomain instead, we're looking at a metric that is underspecified until the IERS bulletin on the LSSM in question is out. The fact that leap seconds aren't nailed down for all future has to be adressed *somewhere*, even in TAI, where function *and* codomain are nailed down - but the

Re: [ntp:questions] Leap second to be introduced in June

other. (*) Of course, the *real* basis of the "changing TAI-UTC offset" is that the HH:MM:SS notation refers back to the last turn of the day, and *that* got shifted out of its regular interval by the leap second for UTC, but not for TAI. [End of mathematician geek-out.] Regards,

Re: [ntp:questions] Leap second to be introduced in June

resentation" before a single computer ever came into play. Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performa

Re: [ntp:questions] Leap second to be introduced in June

ur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-Koch-Str. 9, 64331 Weiterstadt PGP (1024D/4096g) FP = D1

Re: [ntp:questions] Leap second to be introduced in June

torage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-Koch-Str. 9, 64331 Weiterstadt PGP (1024D/4096g) FP = D18B 41B1 16C0 11BA 7F8C DCF7 E1D5 FAF4 444E 1C27 Tel

Re: [ntp:questions] What to do for clients less than 4.2.8?

x27;m concerned, 0.66 * -9295 is enough for me to grab the backports from the repos for our outward-serving ntpds right now ... Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/&g

Re: [ntp:questions] Number of Stratum 1 & Stratum 2 Peers

.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-Koch-Str. 9, 64331 Weiterstadt PGP (1024D/4096g) FP = D18B 41B1 16C0 11BA 7F8C DCF7 E1D5

Re: [ntp:questions] three questions about ntpd, kvm-clock and clock speeds

here it was, on one of the VMs, *and* feed the new systems, i.e., the hosts. One oscillating platform and emergency maintenance later, things are configured like I suggested from square one ... Regards, J. Bern -- *NEU* - NEC IT-Infr

Re: [ntp:questions] Questions from people whose return address is gmail, googlemail, Yahoo, etc.

J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfa

Re: [ntp:questions] Client using Meinberg NTP can't sync with ntp server problem

J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121

Re: [ntp:questions] Client using Meinberg NTP can't sync with ntp server problem

J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Da

Re: [ntp:questions] Thoughts on KOD

with this random ID (and behave)". Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenie

Re: [ntp:questions] NTP Pool Server Costs me $40/mo in Bandwidth--is

On -10.01.-28163 20:59, John Hasler wrote: > Jochen Bern writes: >> Having computer clocks run on UTC(frozen) instead of TAI makes the >> adaptation easier today, more difficult tomorrow > > How? In exactly the way I alluded to on the remainder of the line you quot

Re: [ntp:questions] NTP Pool Server Costs me $40/mo in Bandwidth--is

On -10.01.-28163 20:59, Miroslav Lichvar wrote: > On Tue, Jun 24, 2014 at 03:46:15PM +0200, Jochen Bern wrote: >> While I may have started from the same setting, I *did* try to put >> myself into the shoes of astronomers and people operating satellite >> systems (which, iro

Re: [ntp:questions] NTP Pool Server Costs me $40/mo in Bandwidth--is

On -10.01.-28163 20:59, John Hasler wrote: > Jochen Bern writes: >> If those two restrictions were to be removed (assume a giant tooth >> fairy if you must ;-), I don't see a reason why the current UT1-UTC >> delta could not be communicated through an "NTP-ng" i

Re: [ntp:questions] NTP Pool Server Costs me $40/mo in Bandwidth--is

ution, irony). Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <

Re: [ntp:questions] NTP Pool Server Costs me $40/mo in Bandwidth--is

On -10.01.-28163 20:59, Miroslav Lichvar wrote: > On Mon, Jun 23, 2014 at 11:45:16PM -0500, Mike S wrote: >> On 6/16/2014 6:05 AM, Jochen Bern wrote: >>> There are four official slots - two primary, two secondary - over the >>> course of the year to insert leap

Re: [ntp:questions] Why DNS servers should not be NTP servers

torage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-Koch-Str. 9, 64331 Weiterstadt PGP (1024D/4096g) FP = D18B 41B1 16C0 11BA 7F8C DCF7 E1D5 FAF4 444E 1C27 Tel. +4

Re: [ntp:questions] About use of PPS in NTP sync

say, let it run memtest) a while *before* booting the actual OS? Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Perfor

Re: [ntp:questions] NTP Pool Server Costs me $40/mo in Bandwidth--is

s approach. Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach

Re: [ntp:questions] Meinberg M200 remote monitoring

uktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-Koch-Str. 9, 64331 Weiterstadt PGP (1024D/4096g)

Re: [ntp:questions] NTP servers not accessible on some networks

ith privileged source ports (<1024) lately, the telltale symptom being that *those* variants suddenly worked. :-/ Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Serve

Re: [ntp:questions] NTP servers not accessible on some networks

-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-Koch-Str. 9, 64331 Weiterstadt PGP (1024D/4096g) FP = D18B

Re: [ntp:questions] Can NTP sync within 1ms

On -10.01.-28163 20:59, Rob wrote: > Jochen Bern wrote: >> I'm afraid I don't get it yet. You're trying to sync waveforms on the HF >> side (~100 MHz?) instead of switching between two transmitters on the AF >> side (couple kHz, with that much more leeway for

Re: [ntp:questions] Can NTP sync within 1ms

ent radio programme, is of course rather messy). http://www.autoroutes.fr/en/FM-107-7-radio.htm Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Managem

Re: [ntp:questions] Attn Linux distributors - pse include PPS

J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-Koch

Re: [ntp:questions] Attn Linux distributors - pse include PPS

volved with them). Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks Gm

Re: [ntp:questions] TrueTime XL-AK GPS lock satellite take too much time.....

J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-K

Re: [ntp:questions] Automatic time synchronization of local hw clock

installations default to. Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 1001

Re: [ntp:questions] questions Digest, Vol 114, Issue 35

the next digest's arrived. Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> P

Re: [ntp:questions] ntp server with two default routes misbehaving after upgrade

he local routing tables with it.) Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfa

Re: [ntp:questions] Header-tiquette

On 20.04.2014 22:35, Jochen Bern wrote: > I haven't searched for an *add-on* to shoehorn into my > Thunderbird that might further grok digest mails, though. (FWIW, I found Undigestify 0.8 https://addons.mozilla.org/en-US/thunderbird/addon/undigestify/ which would probabl

Re: [ntp:questions] Header-tiquette (was: NTP.log interpretation)

On 19.04.2014 14:00, questions-requ...@lists.ntp.org digested: > From: David Woolley > > On 18/04/14 21:15, Jochen Bern wrote: > > [Unthreaded reply.] > > Are you aware that you mail/news client is broken and is not threading > your replies properly. If you are using

Re: [ntp:questions] Automatic time synchronization of local hw clock.

orld time" exist may prove easier IMHO. (Might be a suggestion to have such a hint added to the BIOS tools, though.) Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>:

Re: [ntp:questions] NTP.log interpretation

*NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-Koch-Str. 9, 64331 Weiterstadt

Re: [ntp:questions] Automatic time synchronization of local hw clock.

works-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-Koch-Str. 9, 64331 Weiterstadt PGP (1024D/4096g) FP = D18B 41B1 16C0 11BA 7F8C DCF7 E1D5 FAF4

Re: [ntp:questions] Handle ntp conf modification when ntp is already running

J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darms

Re: [ntp:questions] Handle ntp conf modification when ntp is already running

On 08.04.2014 22:28, Jochen Bern wrote: > There's no genuine advantage (caches loaded, more statistic ...al data gathered, priorization through higher uptime, ...) for an ntpd in having a higher runtime. (Sorry, badly placed touchpad sent the original mail prematurely.)

Re: [ntp:questions] Handle ntp conf modification when ntp is already running

atistic Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <htt

Re: [ntp:questions] questions Digest, Vol 114, Issue 2

uktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-Koch-Str. 9, 64331 Weiterstadt PGP (1024D/4096g) FP = D18B

Re: [ntp:questions] ntpd access restrictions: Server allowed works only with ipaddress

ins counteracting that (by entering IPs into ntp.conf and/or /etc/hosts). Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion fo

Re: [ntp:questions] Graphing NTP bandwidth usage?

J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-Koch-Str.

Re: [ntp:questions] Quality vs. Quantity

(*) Or, if you're afraid that the initialization of NAT with the first client -> server packet may introduce a net asymmetric delay, set up each server with umpteen public IPs. -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--St

Re: [ntp:questions] questions Digest, Vol 113, Issue 20

rvers nonetheless. (Or several pools, or several types (pool and non-pool), or a local clock on top, or whatever avoids the SPoF.) Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung-

Re: [ntp:questions] Time of by 4 min

eral* pool servers instead of one, recommended precisely to avoid such a scenario. Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--

Re: [ntp:questions] Indirect GPS time source options

inworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-Koch-Str. 9, 64331 Weiterstadt PGP (1024D/4096g) FP = D18B 41B1 16C0 11BA 7F8C DCF7 E1D

Re: [ntp:questions] When can I get leap second indicator by ntpd

linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmstadt | Robert-Koch-Str. 9, 64331 Weiterstadt PGP (1024D/4096g) FP = D18B 41B1 16C0 11BA 7F8C

Re: [ntp:questions] need option to ignore 'leap not in sync error'

J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/> Postfach 100121, 64201 Darmst

Re: [ntp:questions] How is the NTP build tested?

regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.

Re: [ntp:questions] better rate limiting against amplification attacks?

Charles Elliott wrote: > I looked up "amplification attack." [...] But the same > website that defined amplification attack also described the solution: Use > TCP/IP. > Is not that just one more reason to switch ntpd, nptq, and ntpdc from UDP to > TCP for query processing? I'ld like to make anot

Re: [ntp:questions] better rate limiting against amplification attacks?

Brian Utterback wrote: > On 12/27/2013 5:50 PM, Jochen Bern wrote: >> On 27 Dec 2013, Brian Utterback wrote: >>> Is a peer list really a big problem? It generally doesn't make sense to >>> have much beyond 10 peers. Are there really a lot of servers with a lot >

Re: [ntp:questions] better rate limiting against amplification attacks?

On 27 Dec 2013, Brian Utterback wrote: > Is a peer list really a big problem? It generally doesn't make sense to > have much beyond 10 peers. Are there really a lot of servers with a lot > of peers? If you mean to ask whether such a setup exists at all, here's a real world example: > # ntpdc -n

Re: [ntp:questions] simulate leap second

On 27 Dec 2013, Williams Catherine wrote: > I want to simulate leap second case. I have one linux server as NTP server. > How can I make the server get leap second indicate? The first question you'll need to answer is whether you can run the machine(s) in question with their time set to a complete

Re: [ntp:questions] 4.2.4p8 -> 4.2.6p5 less frequent driftfile updates?

will do, thanks for the pointers. Regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Jochen Bern, Systemingenieur --- LINworks GmbH <http://www.LINworks.de/&

[ntp:questions] 4.2.4p8 -> 4.2.6p5 less frequent driftfile updates?

--. 1 ntp ntp 7 18. Dez 13:22 /var/lib/ntp/drift Is this change of behavior intentional? Kind regards, J. Bern -- *NEU* - NEC IT-Infrastruktur-Produkte im <http://www.linworks-shop.de/>: Server--Storage--Virtualisierung--Management SW--Passion for Performance Joche