diff --git a/README.md b/README.md
index f13c3c1..d15aed7 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,7 @@ To check if Galène can connect to the TURN server, connect to Galène as operat
 ## Documentation
 
  * Official documentation: https://galene.org/
- * YunoHost documentation: If specific documentation is needed, feel free to contribute.
+ * YunoHost documentation: https://yunohost.org/#/app_galene
 
 ## YunoHost specific features
 
diff --git a/README_fr.md b/README_fr.md
index 194c926..cb74052 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -55,7 +55,7 @@ Pour vérifier si Galène peut se connecter au serveur TURN, connectez-vous à G
 ## Documentation
 
  * Documentation officielle : https://galene.org/
- * Documentation YunoHost : If specific documentation is needed, feel free to contribute.
+ * Documentation YunoHost : https://yunohost.org/#/app_galene_fr
 
 ## Caractéristiques spécifiques YunoHost
 
diff --git a/conf/nginx.conf b/conf/nginx.conf
index a79f5aa..af8e491 100755
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -14,6 +14,7 @@ location __PATH__/ {
   proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
   proxy_set_header  X-Forwarded-Host $server_name;
   
+  # WebSocket support
   proxy_http_version 1.1;
   proxy_set_header Upgrade $http_upgrade;
   proxy_set_header Connection "upgrade";
diff --git a/conf/systemd.service b/conf/systemd.service
index ddc546d..cff556e 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -1,5 +1,6 @@
 [Unit]
 Description=Galène: videoconferencing server
+Documentation=https://galene.org
 After=network.target
 
 [Service]
diff --git a/manifest.json b/manifest.json
index 274c525..9e441ca 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Videoconferencing server that is easy to deploy",
         "fr": "Serveur de visioconférence facile à déployer"
     },
-    "version": "0.2~ynh4",
+    "version": "0.2~ynh5",
     "url": "https://galene.org/",
     "license": "MIT",
     "maintainer": {
diff --git a/pull_request_template.md b/pull_request_template.md
index ff7ebe8..6c28fc5 100644
--- a/pull_request_template.md
+++ b/pull_request_template.md
@@ -13,6 +13,4 @@
 
 ## Package_check results
 ---
-*If you have access to [App Continuous Integration for packagers](https://yunohost.org/#/packaging_apps_ci) you can provide a link to the package_check results like below, replacing '-NUM-' in this link by the PR number and USERNAME by your username on the ci-apps-dev. Or you provide a screenshot or a pastebin of the results*
-
-[![Build Status](https://ci-apps-dev.yunohost.org/jenkins/job/galene_ynh%20PR-NUM-%20(USERNAME)/badge/icon)](https://ci-apps-dev.yunohost.org/jenkins/job/galene_ynh%20PR-NUM-%20(USERNAME)/)  
+* An automatic package_check will be launch at https://ci-apps-dev.yunohost.org/, when you add a specific comment to your Pull Request: "!testme", "!gogogadgetoci" or "By the power of systemd, I invoke The Great App CI to test this Pull Request!"*
diff --git a/scripts/install b/scripts/install
index 155b2c8..ca8d7b1 100755
--- a/scripts/install
+++ b/scripts/install
@@ -188,14 +188,9 @@ ynh_print_ON
 public_ip4="$(curl ip.yunohost.org)" || true
 public_ip6="$(curl ipv6.yunohost.org)" || true
 
-if [ -n "$public_ip4" ] && ynh_validate_ip4 --ip_address="$public_ip4"
+if ( [[ -n "$public_ip4" ]] && ynh_validate_ip4 --ip_address="$public_ip4" || [[ -n "$public_ip6" ]] && ynh_validate_ip6 --ip_address="$public_ip6" )
 then
-    echo "external-ip=$public_ip4" >> "$coturn_config_path"
-fi
-
-if [ -n "$public_ip6" ] && ynh_validate_ip6 --ip_address="$public_ip6"
-then
-    echo "external-ip=$public_ip6" >> "$coturn_config_path"
+    echo "external-ip=${public_ip4}/${public_ip6}" >> "$coturn_config_path"
 fi
 
 ynh_store_file_checksum --file="$coturn_config_path"
@@ -245,6 +240,8 @@ ynh_use_logrotate --logfile "/var/log/$app"
 # For any update do it in all files
 
 cp ../sources/Coturn_config_rotate.sh $final_path/Coturn_config_rotate.sh
+ynh_replace_string --match_string=__APP__ --replace_string=$app --target_file="$final_path/Coturn_config_rotate.sh"
+chmod +x $final_path/Coturn_config_rotate.sh
 
 #=================================================
 # GENERIC FINALIZATION
@@ -257,6 +254,7 @@ chown -R $app:root $final_path
 chmod -R 755 $final_path
 chown -R $app:root /var/log/$app
 chown -R $app:root /etc/$app
+chown turnserver:root $coturn_config_path
 chmod -R u=rwX,g=rX,o= /etc/$app
 chmod 770 $final_path/Coturn_config_rotate.sh
 setfacl -R -m user:turnserver:rX  /etc/$app
@@ -287,7 +285,7 @@ ynh_script_progression --message="Configuring permissions..." --weight=2
 # Make app public if necessary
 if [ $is_public -eq 1 ]
 then
-	ynh_permission_update --permission "main" --add "visitors"
+	ynh_permission_update --permission="main" --add="visitors"
 fi
 
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index e297f87..220f571 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -87,18 +87,17 @@ ynh_remove_logrotate
 # CLOSE A PORT
 #=================================================
 
-closeport() {
-    local port=$1
-    if yunohost firewall list | grep -q "\- $turnserver_tls_port$"
-    then
-            ynh_script_progression --message="Closing port $turnserver_tls_port port"
-            ynh_exec_warn_less yunohost firewall disallow Both $turnserver_tls_port  
-    elif yunohost firewall list | grep -q "\- $turnserver_alt_tls_port$"
-    then
-    	ynh_script_progression --message="Closing port $turnserver_alt_tls_port port"
-    	ynh_exec_warn_less yunohost firewall disallow Both $turnserver_alt_tls_port
-    fi
-}
+if yunohost firewall list | grep -q "\- $turnserver_tls_port$"
+then
+    ynh_script_progression --message="Closing port $turnserver_tls_port..." --weight=1
+    ynh_exec_warn_less yunohost firewall disallow Both $turnserver_tls_port 
+fi
+
+if yunohost firewall list | grep -q "\- $turnserver_alt_tls_port$"
+then
+    ynh_script_progression --message="Closing port $turnserver_alt_tls_port..." --weight=1
+    ynh_exec_warn_less yunohost firewall disallow Both $turnserver_alt_tls_port
+fi
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/restore b/scripts/restore
index f67b3ab..07af19d 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -76,8 +76,8 @@ ynh_script_progression --message="Recreating the dedicated system user..." --wei
 
 # Create the dedicated user (if not existing)
 ynh_system_user_create --username=$app
-ynh_system_user_create --username=turnserver ssl-cert
-#adduser turnserver ssl-cert
+ynh_system_user_create --username=turnserver
+adduser turnserver ssl-cert
 
 #=================================================
 # RESTORE SYSTEMD
@@ -103,7 +103,7 @@ yunohost service add coturn-$app --needs_exposed_ports $turnserver_tls_port
 #=================================================
 ynh_script_progression --message="Starting a systemd service..." --weight=3
 
-ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name=$app --action=start --log_path="/var/log/$app/$app.log"
 yunohost service add coturn-$app --needs_exposed_ports $turnserver_tls_port
 
 #=================================================
@@ -158,14 +158,9 @@ ynh_print_ON
 public_ip4="$(curl ip.yunohost.org)" || true
 public_ip6="$(curl ipv6.yunohost.org)" || true
 
-if [ -n "$public_ip4" ] && ynh_validate_ip4 --ip_address="$public_ip4"
+if ( [[ -n "$public_ip4" ]] && ynh_validate_ip4 --ip_address="$public_ip4" || [[ -n "$public_ip6" ]] && ynh_validate_ip6 --ip_address="$public_ip6" )
 then
-    echo "external-ip=$public_ip4" >> "$coturn_config_path"
-fi
-
-if [ -n "$public_ip6" ] && ynh_validate_ip6 --ip_address="$public_ip6"
-then
-    echo "external-ip=$public_ip6" >> "$coturn_config_path"
+    echo "external-ip=${public_ip4}/${public_ip6}" >> "$coturn_config_path"
 fi
 
 ynh_store_file_checksum --file="$coturn_config_path"
@@ -189,6 +184,7 @@ chown -R $app:root $final_path
 chmod -R 755 $final_path
 chown -R $app:root /var/log/$app
 chown -R $app:root /etc/$app
+chown turnserver:root $coturn_config_path
 chmod -R u=rwX,g=rX,o= /etc/$app
 chmod 770 $final_path/Coturn_config_rotate.sh
 setfacl -R -m user:turnserver:rX  /etc/$app
diff --git a/scripts/upgrade b/scripts/upgrade
index ab21e12..a872b6e 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -68,7 +68,7 @@ ynh_abort_if_errors
 #=================================================
 ynh_script_progression --message="Stopping a systemd service..." --weight=3
 
-ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name=$app --action=stop --log_path="/var/log/$app/$app.log"
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
@@ -181,14 +181,9 @@ ynh_print_ON
 public_ip4="$(curl ip.yunohost.org)" || true
 public_ip6="$(curl ipv6.yunohost.org)" || true
 
-if [ -n "$public_ip4" ] && ynh_validate_ip4 --ip_address="$public_ip4"
+if ( [[ -n "$public_ip4" ]] && ynh_validate_ip4 --ip_address="$public_ip4" || [[ -n "$public_ip6" ]] && ynh_validate_ip6 --ip_address="$public_ip6" )
 then
-    echo "external-ip=$public_ip4" >> "$coturn_config_path"
-fi
-
-if [ -n "$public_ip6" ] && ynh_validate_ip6 --ip_address="$public_ip6"
-then
-    echo "external-ip=$public_ip6" >> "$coturn_config_path"
+    echo "external-ip=${public_ip4}/${public_ip6}" >> "$coturn_config_path"
 fi
 
 ynh_store_file_checksum --file="$coturn_config_path"
@@ -201,6 +196,8 @@ ynh_store_file_checksum --file="$coturn_config_path"
 # For any update do it in all files
 
 cp ../sources/Coturn_config_rotate.sh $final_path/Coturn_config_rotate.sh
+ynh_replace_string --match_string=__APP__ --replace_string=$app --target_file="$final_path/Coturn_config_rotate.sh"
+chmod +x $final_path/Coturn_config_rotate.sh
 
 #=================================================
 # MODIFY A CONFIG FILE
@@ -262,6 +259,7 @@ chown -R $app:root $final_path
 chmod -R 755 $final_path
 chown -R $app:root /var/log/$app
 chown -R $app:root /etc/$app
+chown turnserver:root $coturn_config_path
 chmod -R u=rwX,g=rX,o= /etc/$app
 chmod 770 $final_path/Coturn_config_rotate.sh
 setfacl -R -m user:turnserver:rX  /etc/$app
diff --git a/sources/Coturn_config_rotate.sh b/sources/Coturn_config_rotate.sh
index 1982f3c..b0c554a 100644
--- a/sources/Coturn_config_rotate.sh
+++ b/sources/Coturn_config_rotate.sh
@@ -1,21 +1,24 @@
 #!/bin/bash
 
-
 source /usr/share/yunohost/helpers
 
-external_IP_line="external-ip=__IPV4__,__IPV6__"
+external_IP_line="external-ip=__IPV4__/__IPV6__"
 
 public_ip4="$(curl ip.yunohost.org)" || true
 public_ip6="$(curl ipv6.yunohost.org)" || true
 
 if [ -n "$public_ip4" ] && ynh_validate_ip4 --ip_address="$public_ip4"
 then
-    echo "external-ip=$public_ip4" >> "$coturn_config_path"
+    external_IP_line="${external_IP_line/'__IPV4__'/$public_ip4}"
+else
+    external_IP_line="${external_IP_line/'__IPV4__/'/}"
 fi
 
 if [ -n "$public_ip6" ] && ynh_validate_ip6 --ip_address="$public_ip6"
 then
-    echo "external-ip=$public_ip6" >> "$coturn_config_path"
+    external_IP_line="${external_IP_line/'__IPV6__'/$public_ip6}"
+else
+    external_IP_line="${external_IP_line/'/__IPV6__'/}"
 fi
 
 old_config_line=$(egrep "^external-ip=.*\$" "/etc/$app/coturn.conf")
@@ -26,7 +29,7 @@ setfacl -R -m user:turnserver:rX  /etc/$app
 
 if [ "$old_config_line" != "$new_config_line" ]
 then
-    systemctl restart coturn-$app.service
+    systemctl restart coturn-__APP__.service
 fi
 
 exit 0