diff --git a/modoboa_installer/config_dict_template.py b/modoboa_installer/config_dict_template.py
index a18437d..73256d6 100644
--- a/modoboa_installer/config_dict_template.py
+++ b/modoboa_installer/config_dict_template.py
@@ -118,6 +118,31 @@ ConfigDictTemplate = [
             }
         ]
     },
+    {
+        "name": "fail2ban",
+        "values": [
+            {
+                "option": "enabled",
+                "default": "true",
+            },
+            {
+                "option": "config_dir",
+                "default": "/etc/fail2ban"
+            },
+            {
+                "option": "max_retry",
+                "default": "20"
+            },
+            {
+                "option": "ban_time",
+                "default": "3600"
+            },
+            {
+                "option": "find_time",
+                "default": "30"
+            },
+        ]
+    },
     {
         "name": "modoboa",
         "values": [
diff --git a/run.py b/run.py
index 88c7ed6..edd5720 100755
--- a/run.py
+++ b/run.py
@@ -22,6 +22,7 @@ from modoboa_installer import utils
 
 PRIMARY_APPS = [
     "amavis",
+    "fail2ban",
     "modoboa",
     "automx",
     "radicale",