<div dir="ltr"><div>I understood the explanations. Now why I asked the question.</div><div><br></div><div>Let's assume I have 3 services and all with public IPs.</div><div><br></div><div>- <a href="http://www.myservice.com">www.myservice.com</a></div><div>- Database</div><div>- Microsoft AD</div><div><br></div><div>I think the only service the external public needs to know that exists is the www.</div><div><br></div><div>Assuming that, along with the explanations you have given me, I need to duplicate the www entry in the internal and external views. The rest is only in the "internal" view.</div><div><br></div><div>Now the question. If someone from the outside, run a nslookup to the service of "AD" it will be able to catch the hostname service? Ex. <a href="http://Ad.myservice.com">Ad.myservice.com</a></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, May 22, 2015 at 4:37 PM, Darcy Kevin (FCA) <span dir="ltr"><<a href="mailto:kevin.darcy@fcagroup.com" target="_blank">kevin.darcy@fcagroup.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">You’ll need to duplicate the www name into the internal zone if your internal clients need to resolve it. If a query doesn’t resolve in one view, it doesn’t “fail
over” to another view in the config. It simply returns the negative response to the client.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">
- Kevin<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:black"><u></u> <u></u></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:bind-users-bounces@lists.isc.org" target="_blank">bind-users-bounces@lists.isc.org</a> [mailto:<a href="mailto:bind-users-bounces@lists.isc.org" target="_blank">bind-users-bounces@lists.isc.org</a>]
<b>On Behalf Of </b>Elias Pereira<br>
<b>Sent:</b> Friday, May 22, 2015 10:48 AM<br>
<b>To:</b> <a href="mailto:bind-users@lists.isc.org" target="_blank">bind-users@lists.isc.org</a><br>
<b>Subject:</b> Doubt regarding acls and internal and external view.<u></u><u></u></span></p><div><div class="h5">
<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Hello everyone,<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">I have a doubt regarding acls and internal and external view.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">If I have some servers and among them, one only has access part of the "external (world)" to "internal (my infrastructure)." That would be the site (www). The rest is only internal.<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Like that:<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><b>www --> zone db.external</b><u></u><u></u></p>
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<p class="MsoNormal"><b>any other server/service --> zone db.internal</b><u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">acl "clients" {<u></u><u></u></p>
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<p class="MsoNormal"> localhost;<u></u><u></u></p>
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<p class="MsoNormal"> <a href="http://192.168.1.1/24" target="_blank">192.168.1.1/24</a>;<u></u><u></u></p>
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<p class="MsoNormal"> <a href="http://172.16.1.1/24" target="_blank">172.16.1.1/24</a>;<u></u><u></u></p>
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<p class="MsoNormal">};<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">view "internal" {<u></u><u></u></p>
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<p class="MsoNormal"> match-clients { clients; };<u></u><u></u></p>
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<p class="MsoNormal"> recursion yes;<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"> zone "internal" {<u></u><u></u></p>
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<p class="MsoNormal"> type master;<u></u><u></u></p>
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<p class="MsoNormal"> file "/etc/bind/db.internal";<u></u><u></u></p>
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<p class="MsoNormal"> }; <u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">};<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">view "external" {<u></u><u></u></p>
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<p class="MsoNormal"> match-clients { any; };<u></u><u></u></p>
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<p class="MsoNormal"> recursion no;<u></u><u></u></p>
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<p class="MsoNormal"> additional-from-auth no;<u></u><u></u></p>
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<p class="MsoNormal"> additional-from-cache no;<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"> zone "external" {<u></u><u></u></p>
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<p class="MsoNormal"> type master;<u></u><u></u></p>
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<p class="MsoNormal"> file "/etc/bind/db.external";<u></u><u></u></p>
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<p class="MsoNormal"> };<u></u><u></u></p>
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<p class="MsoNormal">};<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">Thus I should only put the site in a zone that is in the external view and the other servers on the internal view, would it?<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">-- <u></u><u></u></p>
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<p class="MsoNormal">Elias Pereira<u></u><u></u></p>
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<a href="https://lists.isc.org/mailman/listinfo/bind-users" target="_blank">https://lists.isc.org/mailman/listinfo/bind-users</a><br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature">Elias Pereira</div>
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