diff --git a/defaults/main.yml b/defaults/main.yml
index c73e297..6a1a70a 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -2,6 +2,14 @@
 # enable option if know that your ssh-server version is over 8.0
 # sshd__version_is_above_eight: true
 
+# define users for ssh whitelist
+users: {}
+# l3d:
+#   - l3d
+# ottojo:
+#  - ottojo@uni
+#  - ottojo@home
+
 # set the ssh server port
 sshd__port: 22
 
diff --git a/vars/main.yml b/vars/main.yml
index d6b27c1..cecdd1c 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -1,5 +1,5 @@
 ---
-playbook_version_number: 4123  # should be int
+playbook_version_number: 4124  # should be int
 playbook_version_path: 'role-sshd_chaos-bodensee_github.com.version'
 
 sshd__service_var_path: