diff --git a/distribution/src/main/resources/moquette.conf b/distribution/src/main/resources/moquette.conf
index b072766a..00b2e0d2 100644
--- a/distribution/src/main/resources/moquette.conf
+++ b/distribution/src/main/resources/moquette.conf
@@ -17,16 +17,28 @@ websocket_port 8080
 
 #*********************************************************************
 # SSL tcp part
+#  ssl_provider: defines the SSL implementation to use, default to "JDK"
+#            supported values are "JDK", "OPENSSL" and "OPENSSL_REFCNT"
+#            By choosing one of the OpenSSL implementations the crypto
+#            operations will be performed by a native Open SSL library.
+#
 #  jks_path: define the file that contains the Java Key Store,
 #            relative to the current broker home
 #
+#  key_store_type: defines the key store container type, default to "jks"
+#            supported values are "jceks", "jks" and "pkcs12"
+#            The "jceks" and "jks" key stores are a propietary SUN
+#            implementations. "pkcs12" is defined in PKCS#12 standard.
+#
 #  key_store_password: is the password used to open the keystore
 #
 #  key_manager_password: is the password used to manage the alias in the
 #            keystore
 #*********************************************************************
-# ssl_port 8883
+#ssl_provider JDK
+#ssl_port 8883
 #jks_path serverkeystore.jks
+#key_store_type jks
 #key_store_password passw0rdsrv
 #key_manager_password passw0rdsrv