Re: [knot-dns-users] outgoing NOTIFYs over TCP

2018-06-08 Thread Klaus Darilion
Am 08.06.2018 um 16:28 schrieb Klaus Darilion: > Great: I just noticed that installing knot-dnsutils uninstalls dnsutils. > Is kdig completely backwards-compatible to dig? Answering myself: No :-( (e.g +trace is missing) So, it is bad that kdig and dig can not be installed concurrently (at

Re: [knot-dns-users] outgoing NOTIFYs over TCP

2018-06-08 Thread Klaus Darilion
Great: I just noticed that installing knot-dnsutils uninstalls dnsutils. Is kdig completely backwards-compatible to dig? Klaus Am 08.06.2018 um 16:20 schrieb Daniel Salzman: > kdig notify example.com +tcp > > > On 06/08/2018 04:18 PM, Klaus Darilion wrote: >> btw: does anybody knows a tool for

Re: [knot-dns-users] outgoing NOTIFYs over TCP

2018-06-08 Thread Daniel Salzman
kdig notify example.com +tcp On 06/08/2018 04:18 PM, Klaus Darilion wrote: > btw: does anybody knows a tool for sending NOTIFYs over TCP? > Thanks > Klaus > -- https://lists.nic.cz/cgi-bin/mailman/listinfo/knot-dns-users

Re: [knot-dns-users] outgoing NOTIFYs over TCP

2018-06-08 Thread Klaus Darilion
btw: does anybody knows a tool for sending NOTIFYs over TCP? Thanks Klaus -- https://lists.nic.cz/cgi-bin/mailman/listinfo/knot-dns-users

Re: [knot-dns-users] outgoing NOTIFYs over TCP

2018-06-08 Thread Klaus Darilion
Am 08.06.2018 um 15:21 schrieb Daniel Stirnimann: >> Every outgoing DNS message from Knot is over TCP. We didn't want to wait >> or deduce whether a slave got the message. > > I like this approach a lot. We had problems in the past that notifies > got lost in a network which was not on our

Re: [knot-dns-users] outgoing NOTIFYs over TCP

2018-06-08 Thread Daniel Stirnimann
> Every outgoing DNS message from Knot is over TCP. We didn't want to wait > or deduce whether a slave got the message. I like this approach a lot. We had problems in the past that notifies got lost in a network which was not on our control. We had to work around it by lowering the SOA refresh

Re: [knot-dns-users] outgoing NOTIFYs over TCP

2018-06-08 Thread Daniel Salzman
On 06/08/2018 03:06 PM, Daniel Salzman wrote: > Hi Anand, > > I fully understand your argument, but this was our decision in the past. > Every outgoing DNS message from Knot is over TCP. We didn't want to wait s/outgoing/knot-initiated > or deduce whether a slave got the message. > > Best, >

Re: [knot-dns-users] outgoing NOTIFYs over TCP

2018-06-08 Thread Daniel Salzman
Hi Anand, I fully understand your argument, but this was our decision in the past. Every outgoing DNS message from Knot is over TCP. We didn't want to wait or deduce whether a slave got the message. Best, Daniel On 06/08/2018 02:59 PM, Anand Buddhdev wrote: > Hi Daniel, > > I don't run Knot

Re: [knot-dns-users] outgoing NOTIFYs over TCP

2018-06-08 Thread Klaus Darilion
Am 08.06.2018 um 14:59 schrieb Anand Buddhdev: > However, if you can't easily modify Knot to use UDP instead of TCP for > NOTIFY, it doesn't bother me personally, because a NOTIFY receiver > should also be able to accept TCP (TCP is required by DNS). But I can > see Klaus's viewpoint. However,

Re: [knot-dns-users] outgoing NOTIFYs over TCP

2018-06-08 Thread Anand Buddhdev
Hi Daniel, I don't run Knot DNS as a master, so I don't see this issue. Even if I ran Knot DNS as a master, I'm not terribly bothered with NOTIFY over TCP. Having said that, I don't think it's very fair to say that UDP is unreliable, and there are various reasons for it: 1. NOTIFY is a hint,

Re: [knot-dns-users] outgoing NOTIFYs over TCP

2018-06-08 Thread Daniel Salzman
Hi Klaus, Knot DNS always sends NOTIFY over TCP. It's intentional, because UDP is unreliable. Unfortunately, it's not possible to easily switch to UDP :-/ Regards, Daniel On 06/08/2018 12:54 PM, Klaus Darilion wrote: > Hi! > > One of our customers uses Knot 2.6.7 as hidden master which sends