Re: [systemd-devel] Time synchronization over HTTP?

2016-07-05 Thread Lennart Poettering
On Mon, 27.06.16 10:34, Kai Hendry (hen...@webconverger.com) wrote: > Hi there, > > I had a quick look at > https://github.com/systemd/systemd/tree/master/src/timesync to try work > out if /usr/lib/systemd/systemd-timesyncd had some sort of fallback if > ntp UDP port 123 traffic is blocked. > >

Re: [systemd-devel] Time synchronization over HTTP?

2016-06-28 Thread Reindl Harald
Am 28.06.2016 um 05:20 schrieb Kai Hendry: On Mon, 27 Jun 2016, at 08:33 PM, Reindl Harald wrote: normally service level agreemnets contain basic prerequisites and if the are ignored the customers has to pay a penalty in case of support cases You live in a different world to me. you are

Re: [systemd-devel] Time synchronization over HTTP?

2016-06-27 Thread Kai Hendry
On Mon, 27 Jun 2016, at 08:33 PM, Reindl Harald wrote: > normally service level agreemnets contain basic prerequisites and if the > are ignored the customers has to pay a penalty in case of support cases You live in a different world to me. Just going to follow up with a blog I found on the

Re: [systemd-devel] Time synchronization over HTTP?

2016-06-27 Thread Reindl Harald
Am 27.06.2016 um 08:30 schrieb Kai Hendry: On Mon, 27 Jun 2016, at 01:03 PM, Mantas Mikulėnas wrote: (I also have a strong dislike for network admins who cling to their "HTTP only" firewall policies... I don't see why NTP is a 'lesser' protocol than HTTP and DNS, both of which require either

Re: [systemd-devel] Time synchronization over HTTP?

2016-06-27 Thread Kai Hendry
On Mon, 27 Jun 2016, at 01:03 PM, Mantas Mikulėnas wrote: > Who would host the sync server? Or would you just point it at a random > site > and hope its operators don't mind? It's already bad enough that systemd > defaults to Google's private NTP servers, IMHO. Reminds me of the "Am I on the

Re: [systemd-devel] Time synchronization over HTTP?

2016-06-27 Thread Kai Hendry
On Mon, 27 Jun 2016, at 10:42 AM, Reindl Harald wrote: > are you aware that in case of many machines you should setp *one* ntpd > and the other machines only acess this internal host to take away load > from pool.ntp.org which would also solve the problem access port 123 > outside your network

Re: [systemd-devel] Time synchronization over HTTP?

2016-06-26 Thread Mantas Mikulėnas
On Mon, Jun 27, 2016 at 5:34 AM, Kai Hendry wrote: > Hi there, > > I had a quick look at > https://github.com/systemd/systemd/tree/master/src/timesync to try work > out if /usr/lib/systemd/systemd-timesyncd had some sort of fallback if > ntp UDP port 123 traffic is

[systemd-devel] Time synchronization over HTTP?

2016-06-26 Thread Kai Hendry
Hi there, I had a quick look at https://github.com/systemd/systemd/tree/master/src/timesync to try work out if /usr/lib/systemd/systemd-timesyncd had some sort of fallback if ntp UDP port 123 traffic is blocked. This happens all too often with my deployments of Webconverger and I was wondering

Re: [systemd-devel] Time synchronization over HTTP?

2016-06-26 Thread Reindl Harald
Am 27.06.2016 um 04:34 schrieb Kai Hendry: I had a quick look at https://github.com/systemd/systemd/tree/master/src/timesync to try work out if /usr/lib/systemd/systemd-timesyncd had some sort of fallback if ntp UDP port 123 traffic is blocked. This happens all too often with my deployments of