idebar-toggler title="Toggle the navigation bar"><svg class="icon pull"><use xlink:href="/v1.9/img/icons.svg#pull"/></svg></button><nav aria-label=Breadcrumb><ol><li><a href=/v1.9/ title="Connect, secure, control, and observe services.">Istio</a></li><li><a href=/v1.9/blog/ title="Posts about using Istio.">Blog</a></li><li><a href=/v1.9/blog/2021/ title="Blog posts for 2021.">2021 Posts</a></li><li>Better External Authorization</li></ol></nav><article aria-labelledby=title><div class=title-area><div style=w