diff --git a/check_process b/check_process
index 6751fa1..804548a 100644
--- a/check_process
+++ b/check_process
@@ -15,7 +15,7 @@
 		setup_public=1
 		upgrade=1
 		backup_restore=1
-		multi_instance=0
+		multi_instance=1
 		port_already_use=1
 		change_url=1
 ;;; Levels
@@ -26,4 +26,4 @@ Notification=none
 ;;; Upgrade options
 	; commit=CommitHash
 		name=Name and date of the commit.
-		manifest_arg=domain=DOMAIN&path=PATH&admin=USER&language=fr&is_public=1&password=pass&port=666&
\ No newline at end of file
+		manifest_arg=domain=DOMAIN&path=PATH&admin=USER&language=fr&is_public=1&password=pass&port=4533&
\ No newline at end of file
diff --git a/conf/config.default.json b/conf/config.default.json
index 5fffa5a..fe73148 100644
--- a/conf/config.default.json
+++ b/conf/config.default.json
@@ -3,8 +3,8 @@
   "enginedebug": false,
   "MuteEngineLog": true,
   "donecmd": "",
-  "SeedRatio": 1.5,
-  "uploadrate": "High",
+  "SeedRatio": "",
+  "uploadrate": "",
   "donecmdthreshold": "30s",
   "watchdirectory": "/home/yunohost.__APP__/torrents",
   "downloaddirectory": "/home/yunohost.__APP__/downloads",
@@ -17,5 +17,4 @@
   "scraperurl": "https://raw.githubusercontent.com/boypt/simple-torrent/master/scraper-config.json",
   "seedratio": 0,
   "trackerlisturl": "https://raw.githubusercontent.com/ngosang/trackerslist/master/trackers_best.txt"
-
 }
\ No newline at end of file
diff --git a/conf/systemd.service b/conf/systemd.service
index c655fe7..d1c6743 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -8,7 +8,7 @@ User=__APP__
 Group=__APP__
 Environment=PORT=__PORT__
 WorkingDirectory=__FINAL_PATH__
-ExecStart=__FINAL_PATH__/__APP__ -c __FINAL_PATH__/config.json --host 127.0.0.1 --auth __ADMIN__:__PASSWORD__
+ExecStart=__FINAL_PATH__/__APP__ -c __FINAL_PATH__/config.json --host 127.0.0.1
 Restart=always
 RestartSec=3
 
diff --git a/manifest.json b/manifest.json
index 58c155a..9aa91a4 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Self-hosted remote torrent client",
         "fr": "Client torrent distant auto-hébergé"
     },
-    "version": "1.2.11~ynh1",
+    "version": "1.2.11~ynh2",
     "url": "https://github.com/boypt/simple-torrent",
     "license": "AGPL-3.0-only",
     "maintainer": {
@@ -15,7 +15,7 @@
     "requirements": {
         "yunohost": ">= 3.8.1"
     },
-    "multi_instance": false,
+    "multi_instance": true,
     "services": [
         "nginx"
     ],
@@ -47,25 +47,11 @@
                     "en": "Is it a public site?",
                     "fr": "Est-ce un site public ?"
                 },
+                "help": {
+                    "en": "If enabled, Simple Torrent will be accessible by people who do not have an account. This can be changed later via the webadmin.",
+                    "fr": "Si cette case est cochée, Simple Torrent sera accessible aux personnes n’ayant pas de compte. Vous pourrez changer ceci plus tard via la webadmin."
+                },
                 "default": true
-            },
-            {
-                "name": "admin",
-                "type": "user",
-                "ask": {
-                    "en": "Choose an admin user",
-                    "fr": "Choisissez l'administrateur"
-                },
-                "example": "johndoe"
-            },
-            {
-                "name": "password",
-                "type": "password",
-                "ask": {
-                    "en": "Set the administrator password",
-                    "fr": "Définissez le mot de passe administrateur"
-                },
-                "example": "Choose a password"
             }
         ]
     }
diff --git a/scripts/backup b/scripts/backup
index 74ada43..50cf3c9 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -13,10 +13,6 @@ source /usr/share/yunohost/helpers
 # MANAGE SCRIPT FAILURE
 #=================================================
 
-ynh_clean_setup () {
-	### Remove this function if there's nothing to clean before calling the remove script.
-	true
-}
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
diff --git a/scripts/install b/scripts/install
index 73064cd..1769e24 100644
--- a/scripts/install
+++ b/scripts/install
@@ -23,8 +23,6 @@ ynh_abort_if_errors
 domain=$YNH_APP_ARG_DOMAIN
 path_url=$YNH_APP_ARG_PATH
 is_public=$YNH_APP_ARG_IS_PUBLIC
-password=$YNH_APP_ARG_PASSWORD
-admin=$YNH_APP_ARG_ADMIN
 architecture=$(ynh_detect_arch)
 
 app=$YNH_APP_INSTANCE_NAME
@@ -47,7 +45,6 @@ ynh_script_progression --message="Storing installation settings..." --weight=2
 
 ynh_app_setting_set --app=$app --key=domain    --value=$domain
 ynh_app_setting_set --app=$app --key=path      --value=$path_url
-ynh_app_setting_set --app=$app --key=admin     --value=$admin
 ynh_app_setting_set --app=$app --key=is_public --value=$is_public
 
 #=================================================
@@ -125,8 +122,6 @@ ynh_script_progression --message="Configuring a systemd service..." --weight=1
 ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="../conf/systemd.service"
 ynh_replace_string --match_string="__FINAL_PATH__" --replace_string="$final_path" --target_file="../conf/systemd.service"
 ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="../conf/systemd.service"
-ynh_replace_string --match_string="__ADMIN__" --replace_string="$admin" --target_file="../conf/systemd.service"
-ynh_replace_string --match_string="__PASSWORD__" --replace_string="$password" --target_file="../conf/systemd.service"
 
 ynh_add_systemd_config
 
@@ -141,7 +136,7 @@ ynh_script_progression --message="Securing files and directories..." --weight=1
 chown -R $app: $final_path
 chown -R $app: /home/yunohost.$app
 chmod +x $final_path/$app
-chmod -R 777 /home/yunohost.$app/{torrents,downloads}
+chmod -R 755 /home/yunohost.$app/{torrents,downloads}
 
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
diff --git a/scripts/restore b/scripts/restore
index 57b6e6d..168adae 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -86,7 +86,7 @@ ynh_script_progression --message="Restoring user rights..."
 chown -R $app: $final_path
 chown -R $app: /home/yunohost.$app
 chmod +x $final_path/$app
-chmod -R 777 /home/yunohost.$app/{torrents,downloads}
+chmod -R 755 /home/yunohost.$app/{torrents,downloads}
 
 #=================================================
 # RESTORE SYSTEMD
diff --git a/scripts/upgrade b/scripts/upgrade
index 37997ce..ab2eb3c 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -18,12 +18,10 @@ app=$YNH_APP_INSTANCE_NAME
 
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
-admin=$(ynh_app_setting_get --app=$app --key=admin)
 is_public=$(ynh_app_setting_get --app=$app --key=is_public)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 port=$(ynh_app_setting_get --app=$app --key=port)
 peer_port=$(ynh_app_setting_get --app=$app --key=peer_port)
-password=$(ynh_app_setting_get --app=$app --key=password)
 architecture=$(ynh_detect_arch)
 
 #=================================================
@@ -80,7 +78,7 @@ fi
 #=================================================
 ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=2
 
-# Create a dedicated nginx config
+# Create a dedicated NGINX config
 ynh_add_nginx_config
 
 #=================================================
@@ -114,10 +112,7 @@ ynh_script_progression --message="Configuring a systemd service..." --weight=2
 ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="../conf/systemd.service"
 ynh_replace_string --match_string="__FINAL_PATH__" --replace_string="$final_path" --target_file="../conf/systemd.service"
 ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="../conf/systemd.service"
-ynh_replace_string --match_string="__ADMIN__" --replace_string="$admin" --target_file="../conf/systemd.service"
-ynh_replace_string --match_string="__PASSWORD__" --replace_string="$password" --target_file="../conf/systemd.service"
 
-# Create a dedicated systemd config
 ynh_add_systemd_config
 
 #=================================================
@@ -130,7 +125,7 @@ ynh_script_progression --message="Securing files and directories..."
 chown -R $app: $final_path
 chown -R $app: /home/yunohost.$app
 chmod +x $final_path/$app
-chmod -R 777 /home/yunohost.$app/{torrents,downloads}
+chmod -R 755 /home/yunohost.$app/{torrents,downloads}
 
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST