s Gateway ，Gateway 代理接收到了资源名为 <code>httpbin-credential-cacert</code> 的 SDS 请求，Ingress Gateway 用这种方式获取根证书。</p></li></ul><h2 id=cleanup>清理</h2><ol><li><p>删除 Gateway 配置、<code>VirtualService</code> 以及 <code>Secret</code>：</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl delete gateway mygateway
$ kubectl delete virtualservice httpbin
$ kubectl delete --ignore-not-found=true -n istio-system secret httpbin-cre