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Re: What is the proper way to delegate to a private / hidden sub-domain?

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  Re: What is the proper way to delegate to a private / hidden sub-domain? Grant Taylor <gtaylor@tnetconsulting.net> - 2020-05-06 15:52 -0600
    Re: What is the proper way to delegate to a private / hidden sub-domain? "John Levine" <johnl@iecc.com> - 2020-05-06 18:12 -0400

#15735 — Re: What is the proper way to delegate to a private / hidden sub-domain?

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On 5/6/20 3:40 PM, John Levine wrote:
> Can clients on the internal network contact hosts in the outside 
> world, or is it really disconnected?
It depends on which particular lab is being used and what is being tested.

I can guarantee that some of the labs will NOT have access to other 
networks, much less the Internet.  (Some of them even have a protocol 
barrier.)

(IPv4 network)---[IPv4|bastion|IPX]---(IPX 
network)---[IPX|router|IPX]---(IPX network)---[IPX|bastion|IPv6]---(IPv6 
network)

Nothing IPv4 in the lab is going to make it out to the world.

The IPX router hard filters anything that's not IPX.



-- 
Grant. . . .
unix || die

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#15737

In article <mailman.369.1588801956.942.bind-users@lists.isc.org> you write:
>-=-=-=-=-=-
>
>On 5/6/20 3:40 PM, John Levine wrote:
>> Can clients on the internal network contact hosts in the outside 
>> world, or is it really disconnected?
>It depends on which particular lab is being used and what is being tested.
>
>I can guarantee that some of the labs will NOT have access to other 
>networks, much less the Internet.  (Some of them even have a protocol 
>barrier.)

Since they can't access the root servers, how do you expect them to
do DNS lookups at all?

R's,
John

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