Difference between Subnet / domain DNS proxy settings

Support
1

Hello,

in Foreman a user can set a DNS proxy on a subnet and a Domain. I find
this confusing and hope somebody might share insight with me:

  • What is the necessity to set a DNS proxy on a subnet?
  • What could be the use case set a different DNS proxy on a subnet and a
    Domain?

Thanks!

··· -- Daniel Helgenberger Schivelbeiner Str. 46 10439 Berlin
2

> Hello,
>
> in Foreman a user can set a DNS proxy on a subnet and a Domain. I find
> this confusing and hope somebody might share insight with me:
>
> - What is the necessity to set a DNS proxy on a subnet?

It manages the reverse DNS zone, e.g. 100.168.192.in-addr.arpa.

> - What could be the use case set a different DNS proxy on a subnet and a
> Domain?

Forward and reverse authoritative DNS might be managed by different
servers as subnet/domain may have different scopes (perhaps departmental
domains, but organisation-wide subnets etc.).

··· On 04/02/16 10:53, Daniel Helgenberger wrote:

–
Dominic Cleal
dominic@cleal.org

3

>> Hello,
>>
>> in Foreman a user can set a DNS proxy on a subnet and a Domain. I find
>> this confusing and hope somebody might share insight with me:
>>
>> - What is the necessity to set a DNS proxy on a subnet?
>
> It manages the reverse DNS zone, e.g. 100.168.192.in-addr.arpa.
Thanks Dominic, this makes absolutely sense of course. Now that you
mention it, the help text next to it reads:
> DNS Proxy to use within this subnet for managing PTR records

A clear case of RTFM on my side here. That said, maybe it is still a
good idea to rename the drop down label from:
> DNS Proxy

to
> Reverse DNS Proxy

What do you think, should I open an issue?

··· On 04.02.2016 12:01, Dominic Cleal wrote: > On 04/02/16 10:53, Daniel Helgenberger wrote:
  • What could be the use case set a different DNS proxy on a subnet and a
    Domain?

Forward and reverse authoritative DNS might be managed by different
servers as subnet/domain may have different scopes (perhaps departmental
domains, but organisation-wide subnets etc.).

–
Daniel Helgenberger
Schivelbeiner Str. 46
10439 Berlin

4

Sure, sounds helpful to me.

··· On 04/02/16 11:38, Daniel Helgenberger wrote: > > > On 04.02.2016 12:01, Dominic Cleal wrote: >> On 04/02/16 10:53, Daniel Helgenberger wrote: >>> Hello, >>> >>> in Foreman a user can set a DNS proxy on a subnet and a Domain. I find >>> this confusing and hope somebody might share insight with me: >>> >>> - What is the necessity to set a DNS proxy on a subnet? >> >> It manages the reverse DNS zone, e.g. 100.168.192.in-addr.arpa. > Thanks Dominic, this makes absolutely sense of course. Now that you > mention it, the help text next to it reads: >> DNS Proxy to use within this subnet for managing PTR records > > A clear case of RTFM on my side here. That said, maybe it is still a > good idea to rename the drop down label from: >> DNS Proxy > > to >> Reverse DNS Proxy > > What do you think, should I open an issue?

–
Dominic Cleal
dominic@cleal.org