diff --git a/conf/ice-servers.json b/conf/ice-servers.json
index a63da38..e283063 100644
--- a/conf/ice-servers.json
+++ b/conf/ice-servers.json
@@ -8,4 +8,4 @@
         "credential": "secret",
         "credentialType": "hmac-sha1"
     }
-]
\ No newline at end of file
+]
diff --git a/conf/nginx.conf b/conf/nginx.conf
index cfc3e41..6a3b9a8 100755
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,5 +1,5 @@
 location / {
-  
+
   # Force usage of https
   if ($scheme = http) {
     rewrite ^ https://$server_name$request_uri? permanent;
diff --git a/conf/systemd.service b/conf/systemd.service
index d804274..c98bb78 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -10,6 +10,8 @@ User=__APP__
 Group=__APP__
 ExecStart=__FINALPATH__/galene -turn __PUBLIC_IP4__:__TURN_PORT__ -udp-range 49152-65535 -groups /home/yunohost.app/__APP__/groups -recordings /home/yunohost.app/__APP__/recordings
 LimitNOFILE=65536
+StandardOutput=append:/var/log/__APP__/__APP__.log
+StandardError=inherit
 
 [Install]
 WantedBy=multi-user.target
diff --git a/scripts/install b/scripts/install
index e2ab403..fe5d7f6 100755
--- a/scripts/install
+++ b/scripts/install
@@ -140,7 +140,7 @@ public_ip4="$(curl -s ip.yunohost.org)" || true
 ynh_add_systemd_config
 
 #=================================================
-# MODIFY A CONFIG FILE
+# MODIFY A CONFIG FILES
 #=================================================
 
 # Create a group name config
diff --git a/scripts/upgrade b/scripts/upgrade
index 2035586..509475f 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -50,6 +50,12 @@ ynh_abort_if_errors
 #=================================================
 ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
 
+# If open, close direct access to $port in firewall
+if yunohost firewall list | grep -q "\- $port$"
+then
+    ynh_exec_warn_less yunohost firewall disallow TCP $port
+fi
+
 # If final_path doesn't exist, create it
 if [ -z "$final_path" ]; then
 	final_path=/opt/yunohost/$app