Solaris zones is a low overhead virtualization technique, where the guest system is using the same kernel as the underlying systems.

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Internal and External DNS, same zone with overwriting

I was doing some research to get rid of a problem that I have in my Company about DNS questions. The following link helped me understanding most of my questions, but one. Internal and External DNS ...
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Solaris 10: IPMP setup with zone and defrouter

I'm a bit desesparated by some kind of "bugs" we recently faced. We are using Solaris 10 on SPARC platform (T4-4) to run zones. Obviously, we do IPMP for safety. Some of those zones are legacy, so ...
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Oracle Solaris 11, ipnat - rdr not working with remote destinations

I'm trying to reverse proxy traffic coming in on port 8100 at one machine to another. The receiving host is an oracle exclusive zone as is the destination machine. On the incoming zone I have ...
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Linux firewalld zones logic and priority

I'm trying to understand the logic behind the Linux firwalld zones, and the way they are evaluated. To my understanding, a zone is defined as a list of interfaces and IP ranges, which allow/deny ...