diff --git a/scripts/install b/scripts/install
index e1d9ec5..10a1496 100644
--- a/scripts/install
+++ b/scripts/install
@@ -162,7 +162,7 @@ chown -R $app: $final_path
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..."
 
-yunohost service add $app --description "$app daemon for Syncthing"
+yunohost service add $app --description "$app daemon for Syncthing" --needs_exposed_ports $sync_port
 
 #=================================================
 # START SYSTEMD SERVICE
diff --git a/scripts/restore b/scripts/restore
index bbb0233..b51c5ca 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -31,6 +31,7 @@ domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 sync_home=$(ynh_app_setting_get --app=$app --key=sync_home)
+sync_port=$(ynh_app_setting_get --app=$app --key=sync_port)
 
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
@@ -44,6 +45,14 @@ test ! -d $final_path \
 
 #=================================================
 # STANDARD RESTORATION STEPS
+#=================================================
+# OPEN A PORT
+#=================================================
+ynh_script_progression --message="Configuring firewall..."
+
+# Open the port
+ynh_exec_warn_less yunohost firewall allow TCP $sync_port
+
 #=================================================
 # RESTORE THE NGINX CONFIGURATION
 #=================================================
@@ -98,7 +107,7 @@ systemctl enable $app.service --quiet
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..."
 
-yunohost service add $app --description "$app daemon for Syncthing"
+yunohost service add $app --description "$app daemon for Syncthing" --needs_exposed_ports $sync_port
 
 #=================================================
 # START SYSTEMD SERVICE
diff --git a/scripts/upgrade b/scripts/upgrade
index 00a379a..96ad24e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -180,7 +180,7 @@ ynh_add_systemd_config
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..."
 
-yunohost service add $app --description "$app daemon for Syncthing"
+yunohost service add $app --description "$app daemon for Syncthing" --needs_exposed_ports $sync_port
 
 #=================================================
 # GENERIC FINALIZATION