href="/v0.7/docs/reference/writing-config.html">Writing Configuration</a></li></ul></div></div></div></div></nav></div><div class="col-12 col-md-9 col-lg-7 col-xl-8"><p class="d-md-none"> <label class="sidebar-toggler" data-toggle="offcanvas"> <i class="fa fa-chevron-right"></i> </label></p><main role="main"><h1>Rules Configuration</h1><p>Istio provides a simple Domain-specific language (DSL) to control how API calls and layer-4 traffic flow across various services in the application deployment. The DSL all