access-control,rbac,authorization,custom,opa,oauth,oauth2-proxy"><meta property="og:title" content="External Authorization"><meta property="og:type" content="website"><meta property="og:description" content="Shows how to integrate and delegate access control to an external authorization system."><meta property="og:url" content="/v1.15/docs/tasks/security/authorization/authz-custom/"><meta property="og:image" content="https://raw.githubusercontent.com/istio/istio.io/master/static/img/istio-whitelogo-blueback