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Merge pull request #254 from imme-emosol/patch-2

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Add (I/O MMU) behind VT-d in security-guidelines.md
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Ivan 2023-05-15 07:47:57 +03:00 committed by GitHub
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@ -68,9 +68,9 @@ In **Dom0** terminal, run:
qubes-hcl-report <userVM> qubes-hcl-report <userVM>
~~~ ~~~
where \<userVM\> is the name of the VM within which the report will be written (but the report will also be displayed in the Dom0 terminal). If it displays that VT-d is active, you should be able to assign **PCIe devices to an HVM** and **enjoy DMA protection** for your driver domains, so you successfully passed this step. where \<userVM\> is the name of the VM within which the report will be written (but the report will also be displayed in the Dom0 terminal). If it displays that VT-d (I/O MMU) is active, you should be able to assign **PCIe devices to an HVM** and **enjoy DMA protection** for your driver domains, so you successfully passed this step.
If VT-d is not active, attempt to activate it by selecting the **VT-d flag** within the BIOS settings. If your processor/BIOS does not allow VT-d activation you still enjoy much better security than alternative systems, but you may be vulnerable to **DMA attacks**. Next time you buy a computer consult our **[HCL (Hardware Compatibility List)](https://www.qubes-os.org/hcl/)** and possibly contribute to it. If VT-d (I/O MMU) is not active, attempt to activate it by selecting the **VT-d flag** within the BIOS settings. If your processor/BIOS does not allow VT-d activation you still enjoy much better security than alternative systems, but you may be vulnerable to **DMA attacks**. Next time you buy a computer consult our **[HCL (Hardware Compatibility List)](https://www.qubes-os.org/hcl/)** and possibly contribute to it.
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