diff --git a/ansible/readme.md b/ansible/readme.md
index 2cbafef..84a3890 100644
--- a/ansible/readme.md
+++ b/ansible/readme.md
@@ -16,7 +16,8 @@ Launch playbooks from present folder in order to use [default config file](ansib
 
 **Site** playbook launches them all.
 **Bootstrap** is to be run first on new installations.
-
+**NameServer** configures a BIND DNS
+**OPNSense** configure a OPNSense edge node
 
 ### Site 
 This playbook recalls all the following playbooks in the stated order.
@@ -40,6 +41,20 @@ Creates sudoer user ansible, necessitates of sudoer user.
 Use `ansible-playbook -i inventories playbooks/bootstrap.yml -l [TARGET_HOST] -e 'ansible_user=[REMOTE_USER]' -K`
 
 
+### NameServer ### 
+Configures a BIND DNS. Uses collection bodsch.dns. 
+NB DNS configuration comes from variable file.
+
+### OPNSense ### 
+Configures a OPNSense edge node features : 
+
+- BIND DNS
+- FIREWALL
+- Wireguard VPN
+
+NB runs locally so python intepreter needs to be specified 
+E.g. `ansible-playbook -i inventories/sifi.yaml playbooks/opnsense.yaml --extra-vars="ansible_python_interpreter=$(which python)"`
+
 ## Inventories
 
 ### Main Lab
@@ -54,6 +69,10 @@ Management of production services, beware!
 Hosts are commented by default
 
 
+### Sifi
+Macchine per il gruppo di lavoro Sistemi Fiscali 
+
+
 ### Prox1_lab
 Prox mox laboratory