diff --git a/playbook.yml b/playbook.yml
index ec63a85..3155275 100644
--- a/playbook.yml
+++ b/playbook.yml
@@ -1,3 +1,10 @@
 - hosts: pp.visio.nereide.fr
+  vars_prompt:
+    - name: username
+      prompt: "Saisir le nom d'utilisateur"
+      private: no
+    - name: password
+      prompt: "Saisir le mot de passe"
   roles:
     - role: common
+    - role: auth
diff --git a/roles/auth/tasks/main.yml b/roles/auth/tasks/main.yml
new file mode 100644
index 0000000..39adbb5
--- /dev/null
+++ b/roles/auth/tasks/main.yml
@@ -0,0 +1,9 @@
+
+- name: Conf Jitsi - Activation de l'authentification prosody
+  replace:
+    path: /etc/prosody/conf.d/{{ inventory_hostname }}.cfg.lua
+    regexp: 'authentication = "anonymous"'
+    replace: 'authentication = "internal_plain"'
+
+- name: Conf Jitsi - Création de l'utilisateur prosody
+  shell: prosodyctl register {{ username }} {{ inventory_hostname }} {{ password }}