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

2020-05-06 Thread Grant Taylor via bind-users
On 5/6/20 6:56 PM, John Levine wrote: Oh, in that case, why don't you just put some adjusted NS entries in your stub .net zone pointing at your internal name servers? Seems a lot easier than fooling around with routing. Because that is a hack at best. I figured that there was something I

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

2020-05-06 Thread John Levine
In article you write: >-=-=-=-=-=- > > >On 5/6/20 4:12 PM, John Levine wrote: >> Since they can't access the root servers, how do you expect them to >> do DNS lookups at all? >There is a copy of the root zone in the environment. > >There is also enough net zone for the needed tests. > >DNSSEC is

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

2020-05-06 Thread Grant Taylor via bind-users
On 5/6/20 4:12 PM, John Levine wrote: Since they can't access the root servers, how do you expect them to do DNS lookups at all? There is a copy of the root zone in the environment. There is also enough net zone for the needed tests. DNSSEC is obviously not in play with doctored zones in the

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

2020-05-06 Thread John Levine
In article 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

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

2020-05-06 Thread Grant Taylor via bind-users
On 5/6/20 3:38 PM, John Levine wrote: The DNS server sends different answers depending on the client IP, so on your internal network it sees the private subdomain, everywhere else sees a ENT or NXDOMAIN. Thank you for confirming. That is indeed what I /thought/ we were talking about. But

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

2020-05-06 Thread Grant Taylor via bind-users
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,

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

2020-05-06 Thread John Levine
In article you write: >-=-=-=-=-=- > >On 5/6/20 2:29 PM, Grant Taylor wrote: >> That's one of the hard requirements of what I'm doing.  Not doing that >> is not an option. > >To elaborate, the internal clients are in a sequestered network which >will never have outside access to it. As such,

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

2020-05-06 Thread John Levine
In article you write: >> This really seems like ordinary split horizon DNS. > >Please explain what you mean by "split horizon DNS" like I'm a n00b, >because obviously my understanding of it differs from what your >understanding seems to be. The DNS server sends different answers depending on

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

2020-05-06 Thread Grant Taylor via bind-users
On 5/6/20 2:29 PM, Grant Taylor wrote: That's one of the hard requirements of what I'm doing.  Not doing that is not an option. To elaborate, the internal clients are in a sequestered network which will never have outside access to it. As such, the outside world can never query something

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

2020-05-06 Thread Sten Carlsen
Thanks Sten > On 6 May 2020, at 22.28, Grant Taylor via bind-users > wrote: > > On 5/6/20 2:18 PM, Sten Carlsen wrote: >> I believe the answer must lie in the lookup of a named DNS server, which >> will be resolved to different IPs depending on your location. Then it can >> point to

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

2020-05-06 Thread Grant Taylor via bind-users
On 5/6/20 2:21 PM, John Levine wrote: Don't Do That. That's one of the hard requirements of what I'm doing. Not doing that is not an option. This really seems like ordinary split horizon DNS. Please explain what you mean by "split horizon DNS" like I'm a n00b, because obviously my

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

2020-05-06 Thread Grant Taylor via bind-users
On 5/6/20 2:18 PM, Sten Carlsen wrote: I believe the answer must lie in the lookup of a named DNS server, which will be resolved to different IPs depending on your location. Then it can point to different servers. If I understand correctly, that would rely on the DNS server's FQDNs being

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

2020-05-06 Thread Grant Taylor via bind-users
On 5/6/20 1:28 PM, Grant Taylor via bind-users wrote: The only way that I see how to make this work is to anycast the names and IPs of the name servers that lab1.example.net is delegated to.  One anycast instance being external publicly accessible and the other anycast instance being internal

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

2020-05-06 Thread John Levine
In article you write: >> I think one possibility (to avoid anycast) is to have an internal and >> external view for the "example.net" zone, so it can delegate the lab >> zones to different servers internally and externally. > >But how do you do that if the internal and external views are on

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

2020-05-06 Thread Sten Carlsen
-- Best regards Sten Carlsen For every problem, there is a solution that is simple, elegant, and wrong. HL Mencken > On 6 May 2020, at 22.10, Grant Taylor via bind-users > wrote: > > On 5/6/20 1:44 PM, Bob Harold wrote: >> Good questions. > > :-) > >> I think one possibility (to avoid

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

2020-05-06 Thread Grant Taylor via bind-users
On 5/6/20 1:44 PM, Bob Harold wrote: Good questions. :-) I think one possibility (to avoid anycast) is to have an internal and external view for the "example.net" zone, so it can delegate the lab zones to different servers internally and externally. But how do you do that if the internal

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

2020-05-06 Thread Bob Harold
On Wed, May 6, 2020 at 3:28 PM Grant Taylor via bind-users < bind-users@lists.isc.org> wrote: > On 5/6/20 11:38 AM, Sten Carlsen wrote: > > I have been doing that for quite some time without knowing it should be > > difficult. > > I'm not saying that it should be difficult. I'm asking what

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

2020-05-06 Thread Grant Taylor via bind-users
On 5/6/20 11:38 AM, Sten Carlsen wrote: I have been doing that for quite some time without knowing it should be difficult. I'm not saying that it should be difficult. I'm asking what people think the proper method is. I have a domain (in the mail address) which is properly delegated to

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

2020-05-06 Thread Sten Carlsen
I have been doing that for quite some time without knowing it should be difficult. I have a domain (in the mail address) which is properly delegated to servers and signed. Internally in house I have a number of other internal both hosts and one subdomain. The internal versions have RFC1812

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

2020-05-06 Thread Grant Taylor via bind-users
Hi, What is the proper way to delegate to a private / hidden sub-domain? I have a globally registered domain, call it example.net for this thread, that has multiple sub-domains that I'd like to be properly delegated to internal labs; lab#.example.net. Example.net itself is following all the