Thus, always in this situation the above message will appear about the lack of certification. And here is the restriction, a single host, no vCenter or vCenter running on it, can not be checked in this sequence. In detail, this aspect is discussed in this article. VMKBoot communicates with TPM, information about the host is sent to vCenter to check if everything is OK. We turn on the power, the host loads UEFI which checks the Boot Loader, ESXi starts. At the beginning I will use graphics from the VMware website showing the ESXi boot sequence.
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In this article I will show how to set up the whole this using the example of HP DL20 Gen9 server (which came into my lab and I will write a separate article soon).
Abstraction? Man in the Middle is still the most popular attack in the world. TPM gives us information if the server was not manipulated at reboot. The card can be removed, copied, made a few changes and put in again. In most servers, this card is available without opening the case (Dell). Why is this important? Nowadays, at SDS times, most servers are run from an internal SD card or USB device.
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This means that by starting ESXi, we guarantee that the launched software is digitally verified and has not changed. Does it affect us and how can we use the TPM 2.0? If our server is equipped with a TPM system that is in UEFI enabled (only UEFI is supported, there is no support in the traditional BIOS) and visible to the server, then an interesting message will appear in ESXi:ĮSXi 6.7 uses the Secure Boot function in conjunction with the TPM 2.0 system. 6.5, the layout of TPM 2.0 will not be visible).
In the case of vSphere, support for TPM 2.0 appeared in version 6.7 (in the lower versions, e.g. There are many applications for this system, for example support for BitLocker in Windows. This information is certificates, passwords and cryptographic keys. TMP is a system that stores information that allows the authentication of the hardware platform.
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