# Latest **URL:** https://community.ntppool.org/latest.md?page=1 [Latest](https://community.ntppool.org/latest.md) · [Categories](https://community.ntppool.org/categories.md) · [Tags](https://community.ntppool.org/tags.md) **Page:** 2 --- ## [Entry level GPS Stratum 1 NTP Server](https://community.ntppool.org/t/entry-level-gps-stratum-1-ntp-server/4638)
**Author:** [@Dave](https://community.ntppool.org/u/Dave)\ **Replies:** 6\ **Last updated:** [August 28, 2026, 3:00pm UTC](https://community.ntppool.org/t/entry-level-gps-stratum-1-ntp-server/4638 "2026-08-28T15:00:27Z")
Thought this device would be useful for anyone thinking of joining the NTP Pool on a budget. It allows someone to learn about Stratum 1 NTP time serving, without making a large commitment on hardware or software configur… --- ## [20260822 - Are there currently issues with the NTP management systems or is it just me?](https://community.ntppool.org/t/20260822-are-there-currently-issues-with-the-ntp-management-systems-or-is-it-just-me/4644)
**Author:** [@gombadi](https://community.ntppool.org/u/gombadi)\ **Replies:** 3\ **Last updated:** [August 22, 2026, 7:45pm UTC](https://community.ntppool.org/t/20260822-are-there-currently-issues-with-the-ntp-management-systems-or-is-it-just-me/4644 "2026-08-22T19:45:01Z")
Hi Just trying to add a server and seeing some issues. Getting the same result doing an NTP check. Getting this response - The status page is green but the graphs do not seem to be showing anything for the last week… --- ## [Which GPS Raspberry Pi hat for stratum 1 server?](https://community.ntppool.org/t/which-gps-raspberry-pi-hat-for-stratum-1-server/1580)
**Author:** [@lammert](https://community.ntppool.org/u/lammert)\ **Replies:** 8\ **Last updated:** [August 20, 2026, 8:50am UTC](https://community.ntppool.org/t/which-gps-raspberry-pi-hat-for-stratum-1-server/1580 "2026-08-20T08:50:12Z")
My current Stratum 1 server is a Raspberry Pi connected with a Garmin 18x LVC GPS receiver. This is a general-purpose GPS receiver which I previously used with a normal x86 server. The good thing is that it has a long ca… --- ## ["Client distribution" statistic - can you ELI5?](https://community.ntppool.org/t/client-distribution-statistic-can-you-eli5/3644)
**Author:** [@n1zyy](https://community.ntppool.org/u/n1zyy)\ **Replies:** 21\ **Last updated:** [August 19, 2026, 5:39pm UTC](https://community.ntppool.org/t/client-distribution-statistic-can-you-eli5/3644 "2026-08-19T17:39:02Z")
I feel like this is a dumb question, in part because Ask explained it previously in what seems like simple terms, but I am finding that I still don’t fully get it. To use a concrete example, from a server of mine in Kore… --- ## [Oracle Linux vendor zone: request for a clear decision and a usable vendor-zone process](https://community.ntppool.org/t/oracle-linux-vendor-zone-request-for-a-clear-decision-and-a-usable-vendor-zone-process/4503)
**Author:** [@Mr.Tao](https://community.ntppool.org/u/Mr.Tao)\ **Replies:** 11\ **Last updated:** [August 14, 2026, 9:56am UTC](https://community.ntppool.org/t/oracle-linux-vendor-zone-request-for-a-clear-decision-and-a-usable-vendor-zone-process/4503 "2026-08-14T09:56:45Z")
I would like to start a new topic to summarize the long-running Oracle Linux vendor-zone request and ask for a clear way forward. This is not meant as a personal attack on anyone. I appreciate that the NTP Pool is large… --- ## [Server abuse in Philippines](https://community.ntppool.org/t/server-abuse-in-philippines/4179)
**Author:** [@jnd](https://community.ntppool.org/u/jnd)\ **Replies:** 25\ **Last updated:** [August 8, 2026, 6:04pm UTC](https://community.ntppool.org/t/server-abuse-in-philippines/4179 "2026-08-08T18:04:01Z")
I came to check upon my servers and found out that my VPS in Philippines is suffering too many requests, even beyond the provided bandwidth allocation (30 Mbps). What’s worse, the incoming requests aren’t subsiding after… --- ## [Client distribution chart shows 0.000 even with longterm score 20](https://community.ntppool.org/t/client-distribution-chart-shows-0-000-even-with-longterm-score-20/4570)
**Author:** [@meszaros.norbert](https://community.ntppool.org/u/meszaros.norbert)\ **Replies:** 7\ **Last updated:** [July 27, 2026, 12:43pm UTC](https://community.ntppool.org/t/client-distribution-chart-shows-0-000-even-with-longterm-score-20/4570 "2026-07-27T12:43:05Z")
hi everyone, for some days now I have noticed, that my client distribution shows absolute zero even if my score is 20 from all relevant monitors. Have I missed something? Or do I need to do some changes in settings? Tha… --- ## [Documentation: time.orlinum.fr](https://community.ntppool.org/t/documentation-time-orlinum-fr/4593)
**Author:** [@Orlinum](https://community.ntppool.org/u/Orlinum)\ **Replies:** 1\ **Last updated:** [July 26, 2026, 2:42pm UTC](https://community.ntppool.org/t/documentation-time-orlinum-fr/4593 "2026-07-26T14:42:32Z")
Hi, As a follow-up to my previous post introducing myself to the NTP Pool (Hello, I am Orlinum. Nice to meet you ...), I am sharing the documentation for the Stratum 1 node time.orlinum.fr. Available at: https://doc.ti… --- ## [NTP Server from Pool Sending Wrong Time](https://community.ntppool.org/t/ntp-server-from-pool-sending-wrong-time/4591)
**Author:** [@ZacharyPax](https://community.ntppool.org/u/ZacharyPax)\ **Replies:** 14\ **Last updated:** [July 23, 2026, 3:04pm UTC](https://community.ntppool.org/t/ntp-server-from-pool-sending-wrong-time/4591 "2026-07-23T15:04:22Z")
Hello, I had sent an email to some email address from the project but I figured I’d also talk about it here. For the past week or so some of our endpoints have gotten horribly wrong times. Upon looking at all the NTP t… --- ## [Using an NTP-server behind NAT, it works! After testing a lot. No not many routers/OS can handle it. Really not many](https://community.ntppool.org/t/using-an-ntp-server-behind-nat-it-works-after-testing-a-lot-no-not-many-routers-os-can-handle-it-really-not-many/4580)
**Author:** [@Bas](https://community.ntppool.org/u/Bas)\ **Replies:** 39\ **Last updated:** [July 22, 2026, 3:00pm UTC](https://community.ntppool.org/t/using-an-ntp-server-behind-nat-it-works-after-testing-a-lot-no-not-many-routers-os-can-handle-it-really-not-many/4580 "2026-07-22T15:00:23Z")
Hi all, You know me, have been fighting routers for a long time. Finally cracked it. There is so much crap around, from opensource to expensive. They all fail, and it’s so stupid they fail! It makes no sense. BTW, I’… --- ## [Modem/Routers slowdown on heavy traffic](https://community.ntppool.org/t/modem-routers-slowdown-on-heavy-traffic/4224)
**Author:** [@Bas](https://community.ntppool.org/u/Bas)\ **Replies:** 182\ **Last updated:** [July 14, 2026, 10:34am UTC](https://community.ntppool.org/t/modem-routers-slowdown-on-heavy-traffic/4224 "2026-07-14T10:34:09Z")
Hi all, I have talked about this many times, and I have solved the heavy NAT problem. But there is another problem, far more serious for me. The number of NAT-session is solved because other people jumped in and helped… --- ## [Should I overcommit netspeed?](https://community.ntppool.org/t/should-i-overcommit-netspeed/4574)
**Author:** [@robinpie](https://community.ntppool.org/u/robinpie)\ **Replies:** 3\ **Last updated:** [July 14, 2026, 3:10am UTC](https://community.ntppool.org/t/should-i-overcommit-netspeed/4574 "2026-07-14T03:10:48Z")
I understand that netspeed just determines what proportion of requests get routed to you and is not a reflection of actual data usage. I have my netspeed set to 1Gbps (which is my VPS’s actual advertised network speed) a… --- ## [Puzzling Rate Limiting for Some Monitors](https://community.ntppool.org/t/puzzling-rate-limiting-for-some-monitors/4569)
**Author:** [@Kets\_One](https://community.ntppool.org/u/Kets_One)\ **Replies:** 20\ **Last updated:** [July 13, 2026, 8:22pm UTC](https://community.ntppool.org/t/puzzling-rate-limiting-for-some-monitors/4569 "2026-07-13T20:22:14Z")
Hi all, I’ve been facing a puzzling issue with rate limiting for which i hope you could assist in understanding and fixing. I run a number of NTP servers (IPv6-only) in the pool on various devices. However, some monit… --- ## [Ntppool-agent test version 4.1.0 available in deb/rpm repositories](https://community.ntppool.org/t/ntppool-agent-test-version-4-1-0-available-in-deb-rpm-repositories/4174)
**Author:** [@MagicNTP](https://community.ntppool.org/u/MagicNTP)\ **Replies:** 16\ **Last updated:** [June 14, 2026, 1:18pm UTC](https://community.ntppool.org/t/ntppool-agent-test-version-4-1-0-available-in-deb-rpm-repositories/4174 "2026-06-14T13:18:01Z")
I note that a version 4.1.0 of the ntppool-agent package is available in the test repositories for deb and rpm packages. Does anybody know what the updates/changes are? The GitHub repository has a branch with activity … --- ## [Chrony refclock PHC issue](https://community.ntppool.org/t/chrony-refclock-phc-issue/4544)
**Author:** [@marco.davids](https://community.ntppool.org/u/marco.davids)\ **Replies:** 2\ **Last updated:** [June 11, 2026, 2:44pm UTC](https://community.ntppool.org/t/chrony-refclock-phc-issue/4544 "2026-06-11T14:44:53Z")
I ran into an issue with Chrony today that I would like to share. If @mlichvar (or anyone else) has an explanation, it could be useful for others in this community as well. I recently upgraded from Chrony 4.5 on Ubuntu … --- ## [Running ntppool-agent on the same host as my pool server - conflict?](https://community.ntppool.org/t/running-ntppool-agent-on-the-same-host-as-my-pool-server-conflict/4543)
**Author:** [@StrawberryMew](https://community.ntppool.org/u/StrawberryMew)\ **Replies:** 7\ **Last updated:** [June 10, 2026, 4:41pm UTC](https://community.ntppool.org/t/running-ntppool-agent-on-the-same-host-as-my-pool-server-conflict/4543 "2026-06-10T16:41:23Z")
I’m considering running the ntppool-agent monitor on the same host as my pool server (smolnut - stratum 1 GPS PPS). Before I do, I wanted to check whether this causes any issues. My concern: if the monitor probes pool s… --- ## [How do you monitor your NTP server?](https://community.ntppool.org/t/how-do-you-monitor-your-ntp-server/4418)
**Author:** [@Obvious](https://community.ntppool.org/u/Obvious)\ **Replies:** 9\ **Last updated:** [June 8, 2026, 9:23pm UTC](https://community.ntppool.org/t/how-do-you-monitor-your-ntp-server/4418 "2026-06-08T21:23:12Z")
Hello, I am new to the NTP universe and I would like to know how you monitor your NTP server continuously, not only with chronyc commands? --- ## [Application for vendor zone is still pending for 5 weeks](https://community.ntppool.org/t/application-for-vendor-zone-is-still-pending-for-5-weeks/1914)
**Author:** [@senec](https://community.ntppool.org/u/senec)\ **Replies:** 9\ **Last updated:** [June 8, 2026, 4:26pm UTC](https://community.ntppool.org/t/application-for-vendor-zone-is-still-pending-for-5-weeks/1914 "2026-06-08T16:26:20Z")
Hi, 5 weeks ago I made a vendor zone application, but its status is still pending. I sent some emails to ask@ntppool.org but didn’t get an answer. What can I do else to push my application? Best regards Peter --- ## [NTPPOOL agent can't run inside docker container?](https://community.ntppool.org/t/ntppool-agent-cant-run-inside-docker-container/4479)
**Author:** [@falciloid](https://community.ntppool.org/u/falciloid)\ **Replies:** 3\ **Last updated:** [June 4, 2026, 5:35am UTC](https://community.ntppool.org/t/ntppool-agent-cant-run-inside-docker-container/4479 "2026-06-04T05:35:43Z")
Hello. I run NTP servers on RouterOS for a few years and now I gotta try to add monitors. Most staple place do deploy monitor that I have for now it’s a debian system inside container on my main RouterOS. I try, but I ca… --- ## [Issue with registration of a test NTP Pool Agent version v4.1.4](https://community.ntppool.org/t/issue-with-registration-of-a-test-ntp-pool-agent-version-v4-1-4/4365)
**Author:** [@NTPman](https://community.ntppool.org/u/NTPman)\ **Replies:** 11\ **Last updated:** [June 3, 2026, 11:30am UTC](https://community.ntppool.org/t/issue-with-registration-of-a-test-ntp-pool-agent-version-v4-1-4/4365 "2026-06-03T11:30:07Z")
My issue is on aarch64, Raspberry PI 4 with Tumbleweed as OS, but I do not think that matters. Seting-up a new test monitor, sudo journalctl -u ntppool-agent@\\\* -f gives: Apr 24 08:44:40 tumbleweed.home ntppool-agent\[5… --- ## [Some geoDNS servers are not working](https://community.ntppool.org/t/some-geodns-servers-are-not-working/3513)
**Author:** [@NTPman](https://community.ntppool.org/u/NTPman)\ **Replies:** 8\ **Last updated:** [June 2, 2026, 12:08pm UTC](https://community.ntppool.org/t/some-geodns-servers-are-not-working/3513 "2026-06-02T12:08:59Z")
Hello, Some geoDNS servers are not working: tumbleweed:~ # dig pool.ntp.org @2a0b:4341:1500:142:5054:ff:fef5:ba1c ;; communications error to 2a0b:4341:1500:142:5054:ff:fef5:ba1c#53: connection refused ;; communications… --- ## [NTP Stratum1 Server - ask for opinion of dashboard](https://community.ntppool.org/t/ntp-stratum1-server-ask-for-opinion-of-dashboard/4510)
**Author:** [@meszaros.norbert](https://community.ntppool.org/u/meszaros.norbert)\ **Replies:** 9\ **Last updated:** [May 29, 2026, 5:04pm UTC](https://community.ntppool.org/t/ntp-stratum1-server-ask-for-opinion-of-dashboard/4510 "2026-05-29T17:04:43Z")
Hello everyone, My friends and me are trying to make custom made gadgets, and one of those is a Stratum1 NTP Server. After almost 6 months of offline testing, we have joined the pool with this NTP server and so far it … --- ## [Truncated FQDN/addresses via 'chronyc sources'](https://community.ntppool.org/t/truncated-fqdn-addresses-via-chronyc-sources/4289)
**Author:** [@Mpegger](https://community.ntppool.org/u/Mpegger)\ **Replies:** 8\ **Last updated:** [May 29, 2026, 1:39am UTC](https://community.ntppool.org/t/truncated-fqdn-addresses-via-chronyc-sources/4289 "2026-05-29T01:39:14Z")
For the life of me I can’t find the answer to this, and I could have sworn it was possible, but when using a command like ‘chronyc sources’ if the FQDN or IPv6 address is too long to show in the column, it gets truncated… --- ## [DNS SRV records for NTP and NTS](https://community.ntppool.org/t/dns-srv-records-for-ntp-and-nts/1556)
**Author:** [@chickeaterbanana](https://community.ntppool.org/u/chickeaterbanana)\ **Replies:** 29\ **Last updated:** [May 23, 2026, 1:21am UTC](https://community.ntppool.org/t/dns-srv-records-for-ntp-and-nts/1556 "2026-05-23T01:21:25Z")
For NTS the server must have an valid tls-certificate so random a or aaaa records doesn’t fit into it. Otherwise NTP Pool have to create for every joining server a ssl-certificate and would get to a certificate authority… --- ## [Problem between servers page and single server page](https://community.ntppool.org/t/problem-between-servers-page-and-single-server-page/4502)
**Author:** [@Bas](https://community.ntppool.org/u/Bas)\ **Replies:** 2\ **Last updated:** [May 21, 2026, 6:38pm UTC](https://community.ntppool.org/t/problem-between-servers-page-and-single-server-page/4502 "2026-05-21T18:38:11Z")
My overview shows me -41.2 score. But when clicking the server in question, it shows -44.4 I noticed this trying to resolve the problem with my server. It should not show a different value. Even on the single-serve… --- ## [Question about the GeoDNS server](https://community.ntppool.org/t/question-about-the-geodns-server/4464)
**Author:** [@marco.davids](https://community.ntppool.org/u/marco.davids)\ **Replies:** 19\ **Last updated:** [May 21, 2026, 3:11pm UTC](https://community.ntppool.org/t/question-about-the-geodns-server/4464 "2026-05-21T15:11:28Z")
Just a quick question: Is there a chance that when someone configures the lines below, the DNS responses for 0.pool.ntp.org and 3.pool.ntp.org may partially overlap? In other words, could one or more A records returned… --- ## [No active monitors for new server?](https://community.ntppool.org/t/no-active-monitors-for-new-server/4480)
**Author:** [@Maurice](https://community.ntppool.org/u/Maurice)\ **Replies:** 4\ **Last updated:** [May 21, 2026, 6:55am UTC](https://community.ntppool.org/t/no-active-monitors-for-new-server/4480 "2026-05-21T06:55:58Z")
Hi, I added a new server to the pool 3 days ago. In the meantime the score has climbed slowly above 10, it is included in the pool and all seems fine, except that there are no active monitors on the status page. There is… --- ## [Blocking TopSpammers in pfSense end up blocking NTP servers](https://community.ntppool.org/t/blocking-topspammers-in-pfsense-end-up-blocking-ntp-servers/4405)
**Author:** [@santiago](https://community.ntppool.org/u/santiago)\ **Replies:** 5\ **Last updated:** [May 13, 2026, 12:41am UTC](https://community.ntppool.org/t/blocking-topspammers-in-pfsense-end-up-blocking-ntp-servers/4405 "2026-05-13T00:41:50Z")
Hi, i’m experiencing a lot of IA scrapers in my server that is affecting QoS and because of that, i enabled blocking TopSpammers in pfBlocker-NG which is the pf-firewall in pfSense. After i did that, NTP server monitors … --- ## [Still problems? Or is my install outdated (4.1.5): "...detected certificate/connection error, flushing connection pool"](https://community.ntppool.org/t/still-problems-or-is-my-install-outdated-4-1-5-detected-certificate-connection-error-flushing-connection-pool/4407)
**Author:** [@floppy](https://community.ntppool.org/u/floppy)\ **Replies:** 10\ **Last updated:** [May 12, 2026, 10:48am UTC](https://community.ntppool.org/t/still-problems-or-is-my-install-outdated-4-1-5-detected-certificate-connection-error-flushing-connection-pool/4407 "2026-05-12T10:48:04Z")
I noticed a few days ago that my two monitors do not seem to “monitor and report” anymore, as the stats say 0. Then I picked this up in my logs: ==\> ntppool-agentd.log \<== May 9 18:45:51 sonne ntppool-agent\[3119014\]:… --- ## [Aggressive client sending huge amount of requests](https://community.ntppool.org/t/aggressive-client-sending-huge-amount-of-requests/4413)
**Author:** [@meszaros.norbert](https://community.ntppool.org/u/meszaros.norbert)\ **Replies:** 4\ **Last updated:** [May 12, 2026, 8:36am UTC](https://community.ntppool.org/t/aggressive-client-sending-huge-amount-of-requests/4413 "2026-05-12T08:36:05Z")
Hi team, I am brand new. I have joined the pool with my stratum 1 server. I have a kind of aggressive client hammering me with requests, specifically 158.195.159.1 4.83 req/s Int=-2 measured for 60 secods. I have tri… [Previous page](https://community.ntppool.org/latest.md) [Next page](https://community.ntppool.org/latest.md?page=2)