diff --git a/check_process b/check_process
index 4f8e79e..db55109 100644
--- a/check_process
+++ b/check_process
@@ -10,6 +10,9 @@
 		admin="john"	(USER)
 		is_public=1	(PUBLIC|public=1|private=0)
 		language="fr"
+		dav_support=1 (DAV_SUPPORT|dav_support=1|dav_support=0)
+		signup=0  (SIGNUP|signup=1|signup=0)
+		two_factor=0 (TWO_FACTOR|two_factor=1|two_factor=0)
 	; Checks
 		pkg_linter=1
 		setup_sub_dir=0
diff --git a/conf/.env b/conf/.env
index a6e24b0..314e600 100644
--- a/conf/.env
+++ b/conf/.env
@@ -68,7 +68,7 @@ APP_DEFAULT_LOCALE=language
 
 # Ability to disable signups on your instance.
 # Can be true or false. Default to false.
-APP_DISABLE_SIGNUP=false
+APP_DISABLE_SIGNUP=__SIGNUP__
 
 # Enable user email verification.
 APP_SIGNUP_DOUBLE_OPTIN=false
@@ -132,10 +132,10 @@ AWS_BUCKET=
 AWS_SERVER=
 
 # Allow Two Factor Authentication feature on your instance
-MFA_ENABLED=true
+MFA_ENABLED=__TWO_FACTOR__
 
 # Enable DAV support
-DAV_ENABLED=true
+DAV_ENABLED=__DAV__
 
 # CLIENT ID and SECRET used for OAuth authentication
 PASSPORT_PERSONAL_ACCESS_CLIENT_ID=__IDENTITY__
diff --git a/manifest.json b/manifest.json
index 122db16..dd6bcdd 100644
--- a/manifest.json
+++ b/manifest.json
@@ -70,6 +70,30 @@
                 },
                 "choices": ["cs","de","en","es","fr","he","it","nl","pt","ru","zh"],
                 "default": "en"
+            },
+            {
+                "name": "dav_support",
+                "type": "boolean",
+                "ask": {
+                    "en": "Enable DAV support?"
+                },
+                "default": true
+            },
+            {
+                "name": "signup",
+                "type": "boolean",
+                "ask": {
+                    "en": "Enable signup for public users?"
+                },
+                "default": false
+            },
+            {
+                "name": "two_factor",
+                "type": "boolean",
+                "ask": {
+                    "en": "Enable Two Factor Authentication for accounts?"
+                },
+                "default": false
             }
         ]
     }
diff --git a/scripts/install b/scripts/install
index f2dc7ba..d813fc2 100755
--- a/scripts/install
+++ b/scripts/install
@@ -30,6 +30,9 @@ language=$YNH_APP_ARG_LANGUAGE
 random_key=$(ynh_string_random --length=32)
 email=$(ynh_user_get_info $admin 'mail')
 password=$(ynh_string_random --length=8)
+dav_support=$YNH_APP_ARG_DAV_SUPPORT
+signup=$YNH_APP_ARG_SIGNUP
+two_factor=$YNH_APP_ARG_TWO_FACTOR
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -55,6 +58,9 @@ ynh_app_setting_set --app=$app --key=admin --value=$admin
 ynh_app_setting_set --app=$app --key=is_public --value=$is_public
 ynh_app_setting_set --app=$app --key=language --value=$language
 ynh_app_setting_set --app=$app --key=random_key --value=$random_key
+ynh_app_setting_set --app=$app --key=dav_support --value=$dav_support
+ynh_app_setting_set --app=$app --key=signup --value=$signup
+ynh_app_setting_set --app=$app --key=two_factor --value=$two_factor
 
 #=================================================
 # STANDARD MODIFICATIONS
@@ -134,6 +140,30 @@ ynh_replace_string --match_string="yunobase" --replace_string="$db_name" --targe
 ynh_replace_string --match_string="yunomail" --replace_string="$email" --target_file="$config"
 ynh_replace_string --match_string="yunodomain" --replace_string="$domain" --target_file="$config"
 ynh_replace_string --match_string="language" --replace_string="$language" --target_file="$config"
+# Enable or disable DAV support for users
+if [ $dav_support -eq 0 ]
+then
+	ynh_replace_string --match_string="__DAV__" --replace_string="false" --target_file="$config"
+else
+then
+	ynh_replace_string --match_string="__DAV__" --replace_string="true" --target_file="$config"
+fi
+# Enable or disable signup for public users
+if [ $signup -eq 1 ]
+then
+	ynh_replace_string --match_string="__SIGNUP__" --replace_string="false" --target_file="$config"
+else
+then
+	ynh_replace_string --match_string="__SIGNUP__" --replace_string="true" --target_file="$config"
+fi
+# Enable or disable two factor authentication support for  users
+if [ $two_factor -eq 1 ]
+then
+	ynh_replace_string --match_string="__TWO_FACTOR__" --replace_string="true" --target_file="$config"
+else
+then
+	ynh_replace_string --match_string="__TWO_FACTOR__" --replace_string="false" --target_file="$config"
+fi
 
 #=================================================
 # DEPLOY
@@ -141,8 +171,7 @@ ynh_replace_string --match_string="language" --replace_string="$language" --targ
 ynh_script_progression --message="Deploying..."
 
 pushd "$final_path"
-	php$phpversion artisan monica:update --force
-	php$phpversion artisan setup:production --email=$email --password=$password -vvv -n
+	php$phpversion artisan setup:production --email=$email --password=$password -vvv -n --force
 	php$phpversion artisan passport:client --password -n > key.txt
 	mobile_id=$( cd $final_path && tail -2 key.txt | head -1 | cut -c 12- )
 	mobile_key=$( cd $final_path && tail -1 key.txt | cut -c 16- )
diff --git a/scripts/upgrade b/scripts/upgrade
index cd9802e..7f9ecc6 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -28,6 +28,9 @@ db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
 random_key=$(ynh_app_setting_get --app=$app --key=random_key)
 email=$(ynh_user_get_info --username=$admin --key=mail)
+dav_support=$(ynh_app_setting_get --app=$app --key=dav_support)
+signup=$(ynh_app_setting_get --app=$app --key=signup)
+two_factor=$(ynh_app_setting_get --app=$app --key=two_factor)
 
 #=================================================
 # CHECK VERSION
@@ -165,6 +168,29 @@ ynh_replace_string  --match_string="yunomail"   --replace_string="$email"      -
 ynh_replace_string  --match_string="yunodomain" --replace_string="$domain"     --target_file="$config"
 ynh_replace_string  --match_string="language"   --replace_string="$language"   --target_file="$config"
 ynh_replace_string  --match_string="__DOMAIN__" --replace_string="$domain"     --target_file="$config"
+if [ $dav_support -eq 0 ]
+then
+	ynh_replace_string --match_string="__DAV__" --replace_string="false" --target_file="$config"
+else
+then
+	ynh_replace_string --match_string="__DAV__" --replace_string="true" --target_file="$config"
+fi
+# Enable or disable signup for public users
+if [ $signup -eq 1 ]
+then
+	ynh_replace_string --match_string="__SIGNUP__" --replace_string="false" --target_file="$config"
+else
+then
+	ynh_replace_string --match_string="__SIGNUP__" --replace_string="true" --target_file="$config"
+fi
+# Enable or disable two factor authentication support for  users
+if [ $two_factor -eq 1 ]
+then
+	ynh_replace_string --match_string="__TWO_FACTOR__" --replace_string="true" --target_file="$config"
+else
+then
+	ynh_replace_string --match_string="__TWO_FACTOR__" --replace_string="false" --target_file="$config"
+fi
 
 #=================================================
 # DEPLOYMENT