You already can add hosts on the fly, using the io.undertow.server.handlers.proxy.LoadBalancingProxyClient#addHost(java.net.URI, java.lang.String, org.xnio.ssl.XnioSsl) method. Stuart On Wed, Apr 19, 2017 at 4:41 PM, anurag singhal <anurags.dreams(a)gmail.com&gt; wrote: