Is there a way to exclude a RR during a zone transfer?

 
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Walt Park
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PostPosted: Wed Nov 15, 2006 1:52 pm    Post subject: Is there a way to exclude a RR during a zone transfer?

Hello and thanks in advance for any advice.
We have 2 locations that we'd like to share name space.

Lets say mainoffice and branchoffice.

I'd like names in branchoffice to be branchoffice.mainoffice.com, and I'd
like to
zone transfer from mainoffice to branchoffice.

The problem I'm trying to solve is that both locations run different
Microsoft
active directories, that we'd like to segregate. If the whole file is
transfered,
then the SRV records in the mainoffice.com forward lookup will allow people
in the mainoffice.com AD domain authenticate on the
branchoffice.mainoffice.com
AD domain, which is something we dont want.

When we zone transfer, I'd like to exclude SRV records from the forward
file.

Or conversely, if we could only include certain types of records in the
transfer
that would be even better. All I want to transfer is A, CNAME, TXT, and MX
in the forward file.

Is there a way to limit what record types can be transfered either by
exclusion
or include, or is it only the whole enchilada?

Walt
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Kevin Darcy
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PostPosted: Fri Nov 17, 2006 3:01 pm    Post subject: Re: Is there a way to exclude a RR during a zone transfer?

Walt Park wrote:
Quote:
Hello and thanks in advance for any advice.
We have 2 locations that we'd like to share name space.

Lets say mainoffice and branchoffice.

I'd like names in branchoffice to be branchoffice.mainoffice.com, and I'd
like to
zone transfer from mainoffice to branchoffice.

The problem I'm trying to solve is that both locations run different
Microsoft
active directories, that we'd like to segregate. If the whole file is
transfered,
then the SRV records in the mainoffice.com forward lookup will allow people
in the mainoffice.com AD domain authenticate on the
branchoffice.mainoffice.com
AD domain, which is something we dont want.

When we zone transfer, I'd like to exclude SRV records from the forward
file.

Or conversely, if we could only include certain types of records in the
transfer
that would be even better. All I want to transfer is A, CNAME, TXT, and MX
in the forward file.

Is there a way to limit what record types can be transfered either by
exclusion
or include, or is it only the whole enchilada?


No, that's not a feature of BIND, and I don't think it'll ever be a

feature, since it fragments namespaces in a way that is confusing,
error-prone and dangerous.

But, I have to ask: why doesn't the branchoffice AD have their own SRV
records in the branchoffice.mainoffice.com subdomain? If the clients
found _those_ SRV records, then they presumably wouldn't look for SRV
records in mainoffice.com and you wouldn't have an issue. Maybe I'm
misunderstanding something about your design...


- Kevin
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