eout><div class=content><p>Istio 1.19.4 is now available! Click here to learn more</p></div><div class=frame></div></a></div><article class=post itemscope itemtype=http://schema.org/BlogPosting><div class=header-content><h1>Better External Authorization</h1><p>AuthorizationPolicy now supports CUSTOM action to delegate the authorization to external system.</p></div><p class=post-author>Feb 9, 2021 <span>|</span> By Yangmin Zhu - Google</p><div><h2 id=background>Background</h2><p>Istio&rsquo;s authorization p