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Kubernetes Native FQDN Based Egress Network Policies
Kubernetes Network Policies are powerful, but when it comes to allowing egress access to specific domains, things get tricky. Most real world applications don't connect to fixed IPs, they rely on third-party APIs, cloud services, and CDNs with dynamic DNS records. In this post, I'll take you through the motivation behind building FQDN-Controller, how it works under the hood, and how you can use it to create clean, DNS-aware egress policies natively within Kubernetes.
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