farmers_LSD
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Internally hosted server getting external IP in DNS

It's been a while since I have messed with Novell DNS to any extent. I have done this with MS DNS.

We use lawson.k12.mo.us for our internal domain. We are adding lawsoncardinals.org for all of our external domains.

If I ping filr.lawsoncardinals.org, I get no response internally and it's using the external IP. Everything works fine externally for filr.lawsoncardinals.org and using our old domain name, both inside and out.

Not sure what I'm missing.
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Knowledge Partner
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Re: Internally hosted server getting external IP in DNS

farmersLSD;2420085 wrote:
It's been a while since I have messed with Novell DNS to any extent. I have done this with MS DNS.

We use lawson.k12.mo.us for our internal domain. We are adding lawsoncardinals.org for all of our external domains.

If I ping filr.lawsoncardinals.org, I get no response internally and it's using the external IP. Everything works fine externally for filr.lawsoncardinals.org and using our old domain name, both inside and out.

Not sure what I'm missing.


Firewall rule maybe, internal clients are not able to talk to filrs external IP?

Thomas
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farmers_LSD
Visitor.

Re: Internally hosted server getting external IP in DNS

That is something I didn't think about, but filr.lawson.k12.mo.us works internally and externally, however, filr.lawsoncardinals.org, does not. It's the same server, so the same firewall rules would apply, correct?

The difference is that our DNS domain is lawson.k12.mo.us, so it finds the A record in DNS and uses the internal IP (I assume). Our added domain is lawsoncardinals.org, but the primary domain is off-site hosted and we are just hosting sub-domains which would be our hosted servers. This filr server is just the beginning if we add iPrint, etc..

So I'll have to get this figured out.
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Knowledge Partner
Knowledge Partner

Re: Internally hosted server getting external IP in DNS

farmersLSD;2420176 wrote:
That is something I didn't think about, but filr.lawson.k12.mo.us works internally and externally, however, filr.lawsoncardinals.org, does not. It's the same server, so the same firewall rules would apply, correct?

The difference is that our DNS domain is lawson.k12.mo.us, so it finds the A record in DNS and uses the internal IP (I assume). Our added domain is lawsoncardinals.org, but the primary domain is off-site hosted and we are just hosting sub-domains which would be our hosted servers. This filr server is just the beginning if we add iPrint, etc..

So I'll have to get this figured out.


The same firewall rules do not apply if filr.lawson.k12.mo.us resolves to an internal IP and filr.lawsoncardinals.org resolves to an external IP for your internal clients... But if both filr.lawson.k12.mo.us and filr.lawsoncardinals.org resolves to the same IP on your internal devices then FW rules are not the problem.

Thomas
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farmers_LSD
Visitor.

Re: Internally hosted server getting external IP in DNS

filr.lawson.k12.mo.us resolves to our internal IP, because we have a DNS entry pointing that that server internally, because our internal domain is lawson.k12.mo.us. I created another zone for lawsoncardinals.org and have an internal entry for filr.lawsoncardinals.org, but still tries to use the external IP.
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Knowledge Partner
Knowledge Partner

Re: Internally hosted server getting external IP in DNS

farmersLSD;2421175 wrote:
filr.lawson.k12.mo.us resolves to our internal IP, because we have a DNS entry pointing that that server internally, because our internal domain is lawson.k12.mo.us. I created another zone for lawsoncardinals.org and have an internal entry for filr.lawsoncardinals.org, but still tries to use the external IP.


Have you checked that the client queries the internal dns server?

Thomas
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