title: Helm 3 installation error through proxy server
body: <p>Does anyone know why helm 3 install occurs error through proxy server?</p>
  <p><strong>Environment:</strong></p>
  <p>OS:         Ubuntu 18.04</p>
  <p>Kubernetes: v1.19.0</p>
  <p>Helm:       v3.3.4</p>
  <pre><code>root@ecs-k8s-master:~# kubectl cluster-info
  Kubernetes master is running at https://192.168.30.5:6443
  KubeDNS is running at https://192.168.30.5:6443/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy
  
  root@ecs-k8s-master:~# https_proxy=http://172.19.1.222:3128 helm install ingress-nginx ingress-nginx/ingress-nginx
  Error: Kubernetes cluster unreachable: Get &quot;https://192.168.30.5:6443/version?timeout=32s&quot;: Forbidden
  </code></pre>