g the providers used by clients is discussed in <a href="task-enablemesec4appclients.html">To Enable Message Security for Application Clients</a>.</p>
<p>To enable message security for web service invocations originating from deployed endpoints, you must specify a default client provider. If you enabled a default client provider for GlassFish Server, you must ensure that any services invoked from endpoints deployed in GlassFish Server are compatibly configured for message layer security.</p>
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<p>In