EPISODE · Aug 25, 2025 · 10 MIN
AKS Zero-Trust Access: Arc, OPA Gatekeeper & On-Prem
from DevOps & Cloud Interview Questions and Answers - Part 1 · host devopsinterviewcloud
Architecting zero-trust access to an AKS cluster from on-prem legacy systems is one of those senior interview questions that exposes whether you actually understand the control plane or just know the buzzwords. You'll learn: How Azure Arc projects on-prem and legacy workloads into the Azure control plane without exposing the API server publicly Where OPA Gatekeeper fits — enforcing admission policies at the Kubernetes layer so workloads that pass network controls still get policy-checked Layering Azure AD Workload Identity and managed identities to eliminate long-lived credentials between legacy systems and AKS Private endpoint and Azure Private Link design decisions that keep east-west traffic off the public internet Common gotchas: Gatekeeper constraint template scope, Arc-enabled Kubernetes agent connectivity requirements, and policy exemption risks Keywords: AKS zero-trust, Azure Arc Kubernetes, OPA Gatekeeper interview, on-prem to AKS security, Azure private endpoint AKS 🎧 Listen, then go deeper — DevOps & Cloud interview-prep ebooks at DevOpsInterview.Cloud
What this episode covers
Architecting zero-trust access to an AKS cluster from on-prem legacy systems is one of those senior interview questions that exposes whether you actually understand the control plane or just know the buzzwords.You'll learn:How Azure Arc projects on-prem and legacy workloads into the Azure control plane without exposing the API server publiclyWhere OPA Gatekeeper fits — enforcing admission policies at the Kubernetes layer so workloads that pass network controls still get policy-checkedLayering Azure AD Workload Identity and managed identities to eliminate long-lived credentials between legacy systems and AKSPrivate endpoint and Azure Private Link design decisions that keep east-west traffic off the public internetCommon gotchas: Gatekeeper constraint template scope, Arc-enabled Kubernetes agent connectivity requirements, and policy exemption risksKeywords: AKS zero-trust, Azure Arc Kubernetes, OPA Gatekeeper interview, on-prem to AKS security, Azure private endpoint AKS🎧 Listen, then go deeper — DevOps & Cloud interview-prep ebooks at DevOpsInterview.Cloud
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AKS Zero-Trust Access: Arc, OPA Gatekeeper & On-Prem
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