Re: invalid requests for dns_registration.*

2010-04-19 Thread Matus UHLAR - fantomas
> > In article ,
> >  Matus UHLAR - fantomas  wrote:
> > > on one of my nameservers I see many of these messages in log files:
> > > 
> > > Mar 29 07:59:07 gtssk1 named[5012]: security: error: client
> > > 195.168.29.200#65293: view gtsi: check-names failure
> > > dns_registration.in.nextra.sk/A/IN

On 30.03.10 10:04, Matus UHLAR - fantomas wrote:
> Has anyone seen a case where the "dns_registration" prefix would be special?
> Any kind of device/service/protocol that would prepend this to domain in
> domain search list to get any informations?

I'm receiving more and more requests for dns_registration record in many
domains. Has anyone seen a case where someone/something could issue such
requests?

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Re: invalid requests for dns_registration.*

2010-03-30 Thread Matus UHLAR - fantomas
> In article ,
>  Matus UHLAR - fantomas  wrote:
> > on one of my nameservers I see many of these messages in log files:
> > 
> > Mar 29 07:59:07 gtssk1 named[5012]: security: error: client
> > 195.168.29.200#65293: view gtsi: check-names failure
> > dns_registration.in.nextra.sk/A/IN
> > 
> > I'm curious of the reason because they are going to sevrer authoritative for
> > nextra.sk, but not for in.nextra.sk, so I think there's a broken DNS
> > resolver/updater somewhere.

On 29.03.10 21:55, Barry Margolin wrote:
> If the client doesn't have NS records cached for in.nextra.sk, it will 
> ask the servers for nextra.sk, which should return a delegation.

yes, apparently something like that.

> > Has anyone an idea what kind of devices or cofnigurations can issue these
> > requests?

> Any properly functioning DNS resolver.  There's nothing wrong with the 
> requests.  What's wrong is that your subdomain has a hostname with an 
> underscore in its name.

There is no such subdomain and I do not have any record containing
underscores in my domains.

The issue is exactly that someone/something is requesting a hostname that
does not exist and is invalid. I don't know who or why.

Has anyone seen a case where the "dns_registration" prefix would be special?
Any kind of device/service/protocol that would prepend this to domain in
domain search list to get any informations?

-- 
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
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Re: invalid requests for dns_registration.*

2010-03-29 Thread Barry Margolin
In article ,
 Matus UHLAR - fantomas  wrote:

> Hello,
> 
> on one of my nameservers I see many of these messages in log files:
> 
> Mar 29 07:59:07 gtssk1 named[5012]: security: error: client
> 195.168.29.200#65293: view gtsi: check-names failure
> dns_registration.in.nextra.sk/A/IN
> 
> I'm curious of the reason because they are going to sevrer authoritative for
> nextra.sk, but not for in.nextra.sk, so I think there's a broken DNS
> resolver/updater somewhere.

If the client doesn't have NS records cached for in.nextra.sk, it will 
ask the servers for nextra.sk, which should return a delegation.

> Has anyone an idea what kind of devices or cofnigurations can issue these
> requests?

Any properly functioning DNS resolver.  There's nothing wrong with the 
requests.  What's wrong is that your subdomain has a hostname with an 
underscore in its name.

-- 
Barry Margolin, bar...@alum.mit.edu
Arlington, MA
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invalid requests for dns_registration.*

2010-03-29 Thread Matus UHLAR - fantomas
Hello,

on one of my nameservers I see many of these messages in log files:

Mar 29 07:59:07 gtssk1 named[5012]: security: error: client
195.168.29.200#65293: view gtsi: check-names failure
dns_registration.in.nextra.sk/A/IN

I'm curious of the reason because they are going to sevrer authoritative for
nextra.sk, but not for in.nextra.sk, so I think there's a broken DNS
resolver/updater somewhere.

Has anyone an idea what kind of devices or cofnigurations can issue these
requests?

-- 
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
The only substitute for good manners is fast reflexes. 
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