Daniel's Tech Blog

Cloud Computing, Cloud Native & Kubernetes

Tag: Security

  • Upgrading the node image of an Azure Kubernetes Service cluster

    Last year I have written a shell script to update the VMSS base image of an Azure Kubernetes Service cluster. -> https://www.danielstechblog.io/updating-the-base-image-of-a-vmss-based-aks-cluster/ -> https://www.danielstechblog.io/aks-vmss-base-image-update-script-multiple-node-pool-support/ As I am using the VMSS API and not the AKS API it was not an officially supported way to update the VMSS base image. But on the other hand, it…

  • Using Azure Policy for Kubernetes

    In my last blog post I mentioned that the next topic is about Azure Policy in combination with Azure Arc enabled Kubernetes. I decided to write about Azure Policy for Kubernetes instead covering Azure Kubernetes Service and Azure Arc enabled Kubernetes. As Azure Policy for Kubernetes is based on the Open Policy Agent Gatekeeper implementation,…

  • Using Azure Resource Graph to show ASC container image scan findings

    In my previous blog post I showed you how to connect your Azure Container Registries with Azure Security Center. -> https://www.danielstechblog.io/connecting-azure-container-registry-with-azure-security-center/ Today we talk about how to receive the scan results via Azure Resource Graph instead of using the Security Center UI path. You can submit your queries against the Resource Graph via the Azure…

  • Connecting Azure Container Registry with Azure Security Center

    Back in March Microsoft released the container image scanning solution in the Azure Security Center for the Azure Container Registry. -> https://azure.microsoft.com/en-us/updates/vulnerability-scanning-for-images-in-azure-container-registry-is-now-generally-available/ The container image scanning solution is powered by Qualys and seamlessly integrated into the Security Center UI. Connecting your Azure Container Registries with the Security Center requires ASC running in the Standard Tier.…

  • Secure Kubernetes API server access in Azure Kubernetes Service

    Running Kubernetes at a cloud provider especially managed Kubernetes like AKS or GKE provides you with a solid foundation and applied security best practices for the managed master control plane. But there is one downside, the public accessible API endpoint to control the Kubernetes cluster. Even the API endpoint is only exposed via HTTPS and…

  • Disable the Kubernetes dashboard on Azure Kubernetes Service

    A recently introduced change enables the capability to disable the Kubernetes dashboard on an AKS cluster. This is achieved by providing the Kubernetes dashboard as an AKS add-on like the Azure Monitor for containers integration, AKS virtual nodes or the HTTP application routing. I stumbled over that capability in the Terraform Azure provider documentation for…

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