diff --git a/keycloak/files/server/realms.json b/keycloak/files/server/realms.json
index 704a4ee..35ef4b4 100644
--- a/keycloak/files/server/realms.json
+++ b/keycloak/files/server/realms.json
@@ -6,6 +6,9 @@
   "enabled": {{ realm.get('enabled', true)|json }},
   "sslRequired": "external",
   "requiredCredentials": [ "password" ],
+  {%- for parameter_name, parameter_value in realm.get('additional_params', {}).items() %}
+  "{{ parameter_name }}": {{ parameter_value }},
+  {%- endfor %}
   "clients": [
     {%- for client_name, client in realm.get('client', {}).iteritems() %}
     {
diff --git a/tests/pillar/server_ldap.sls b/tests/pillar/server_ldap.sls
index c1e3549..2601089 100644
--- a/tests/pillar/server_ldap.sls
+++ b/tests/pillar/server_ldap.sls
@@ -5,6 +5,12 @@
       ldap-realm:
         enabled: true
         id: ldap-realm
+        additional_params:
+          registrationAllowed: false
+          registrationEmailAsUsername: false
+          resetPasswordAllowed: false
+          accessTokenLifespan: 60
+          ssoSessionIdleTimeout: 600
         client:
           ldap-app:
             enabled: true