<ul><li>Access control is a critical aspect of securing Kubernetes applications.</li><li>Whitelisting in Ingress-Nginx allows restricting access based on IP addresses or CIDR ranges.</li><li>Steps to add a whitelist include verifying Ingress-Nginx installation, identifying IPs to whitelist, configuring the Ingress Nginx Controller, configuring the Ingress resource, applying the configuration, and testing the whitelist.</li><li>Best practices for whitelisting include combining it with HTTPS, using ConfigMaps or Secrets for sensitive configurations, and regularly reviewing and updating the whitelist.</li></ul>

How To Add The Whitelist for Your Ingress-Nginx Controller of K8S?

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