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vCenter Server Identity Federation with Synology SSO

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I recently found another cool use case for my Synology NAS, which is using the Synology SSO application to setup vCenter Server Identity Federation. I had not considered looking at Synology, but I was recently setting up some additional DNS entries and noticed there was SSO Server application, that supports both SAML2 and OIDC.


For those with a Synology, this is a super easy way to get hands on experience with configuring vCenter Server Identity Federation and this can all run locally within your environment, unlike some of the other external identity providers which typically will require direct/in-direction connection to your vCenter Server or require a SCIM (System for Cross-domain Identity Management) proxy server.

Disclaimer: Synology SSO is currently not an officially supported vCenter Server IdP, please use at your own risk.

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Quick Tip - Which vCenter Server Key Provider (KMS) is a VM using?

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vCenter Server requires a Key Management Service (KMS) for enabling VM Encryption, vTPM, or vSAN Encryption. Users have the choice of configuring the embedded Native Key Provider (NKP) built into vCenter Server and/or use an external KMS with the Standard Key Provider (SKP) option.


If you have more than one KMS configured in vCenter Server, you can specify one of the KMS key providers to be your default, which will automatically be used for any KMS-related activities. You can switch between the default KMS key provider and you can certainly specify a specific KMS key provider when using the vSphere API to provision a VM that will leverage VM encryption.

So how do you figure out which KMS key provider a VM is using?

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Automating bulk OPNsense Unbound DNS host overrides

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I recently deployed OPNsense in my homelab, which I will be using it to setup my VMware Cloud Foundation (VCF) environment. A critical part infrastructure service that is often miss-configured is DNS and OPNsense provides a simple way add your custom DNS entries (forward/reverse) called Host Overrides, which uses Unbound DNS behind the scenes.

Like most, I have a number of DNS entries that I would like to pre-create and the UI is not exactly the quickest for any type of "bulk" operation as each entry is added sequentially.


Luckily, OPNsense does have a REST API for Unbound functions, but the documentation was not very useful as it just direct users to use the browser to extract the JSON payload, while something I am comfortable with, I think that is not what I expected from something called an API Reference ...

In any case, this was a simple enough API, that I was able to create a quick PowerShell script to parse a CSV file that contains the list of FQDN, IP Address and Description and then perform a bulk create since the API itself was also sequential in nature 🙁

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