t-br/docs/tasks/security/citadel-config/>Citadel Configuration</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Shows how operators can configure Citadel with existing root certificate, signing certificate and key." href=/v1.5/pt-br/docs/tasks/security/citadel-config/plugin-ca-cert/>Plugging in External CA Key and Certificate</a></li><li role=none><a role=treeitem title="Shows how to enable Citadel health checking with Kubernetes." href=/v1.5/pt-br/docs/tasks/se