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I RUN DMZ
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eidorb committed Nov 24, 2024
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Expand Up @@ -121,11 +121,12 @@ But the Purdue model is more about reliability and less about information securi
Firewalls between levels is a start, but I think we can do better.

Forcing your square networks in a round Purdue model will result in bizarre pseudo-levels.
Like level 3.5: *RUN DMZ*.
Like level 3.5: *RUN DMZ*[^2].
No, it is not in the Purdue Enterprise Reference Architecture[^1].
Notice any confusion that arises when attempting to fit a square network management interface in a round Purdue level.
If the Purdue model is a network segmentation model, then network management is out of scope.

If you find yourself face-to-face with the Purdue model in a conference call, please confirm you are not speaking with an LLM.

[^1]: <http://scadamag.infracritical.com/index.php/2018/03/01/purdue-model-history/>
[^2]: <https://shop.libertyinnorthkorea.org/collections/t-shirts/products/run-dmz-t-shirt-2024>

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