and-the-egress-gateway>Case 4: Mutual TLS between sidecars and the egress gateway</h3><p>In this case, there is an extra layer of security between the sidecars and the gateway, so some impact in performance is expected.</p><figure style=width:70%><div class=wrapper-with-intrinsic-ratio style=padding-bottom:63.968957871396896%><a data-skipendnotes=true href=/v1.5/pt-br/blog/2019/egress-performance/case4_egressgw_mtls3.png title="Enabling mutual TLS between sidecars and the egress gateway"><img class=element-