nts</a><li role=none aria-label="Ports used by Istio"><a href=#ports-used-by-istio>Ports used by Istio</a><li role=none aria-label="Server First Protocols"><a href=#server-first-protocols>Server First Protocols</a><li role=none aria-label="Outbound traffic"><a href=#outbound-traffic>Outbound traffic</a><li role=none aria-label="See also"><a href=#see-also>See also</a></li></ol><hr></div></nav><p>Istio provides a great deal of functionality to applications with little or no impact on the application code its