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+# Utilisateurs et Permissions (ACL)
+Documentation pour la gestion des [utilisateurs](https://docs.ntfy.sh/config/#users-and-roles) et [permissions](https://docs.ntfy.sh/config/#access-control-list-acl).  
+
+Pour lancer ntfy en interactif dans l'environnement `podman`, préfixer les commandes par `podman exec -it podman-ntfy` :
+
+```
+$ podman exec -it podman-ntfy ntfy access 
+user * (anonymous)
+- no topic-specific permissions
+- read-write access to all (other) topics (server config)
+
+$ podman exec -it podman-ntfy ntfy user add didier
+user didier added with role user
+
+$ podman exec -it podman-ntfy ntfy access didier prefix_* rw
+granted read-write access to topic prefix_*
+
+user didier (user)
+- read-write access to topic prefix_*
+
+$ podman exec -it podman-ntfy ntfy access everyone prefix_* deny
+revoked all access to topic prefix_*
+
+user * (anonymous)
+- no access to topic prefix_*
+- read-write access to all (other) topics (server config)
+
+```