diff --git a/README.md b/README.md
index af650db..3e4bec5 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,6 @@ For VoIP and video conferencing a TURN server is also installed and configured.
 
 ```
 sudo yunohost app setting galene turnserver_port
-sudo yunohost app setting galene turnserver_alt_port
 ```
 
 The TURN server will also choose a port dynamically when a new call starts. The range is between 49152 - 65535.
diff --git a/README_fr.md b/README_fr.md
index 4881046..a866fd6 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -33,7 +33,6 @@ Pour la VoIP et la visioconférence, un serveur TURN est également installé et
 
 ```
 sudo yunohost app setting galene turnserver_port
-sudo yunohost app setting galene turnserver_alt_port
 ``` 
 
 Le serveur TURN choisira également un port de manière dynamique lors du démarrage d'une nouvelle visioconférence. La plage est comprise entre 49152 et 65535.
diff --git a/conf/coturn/turnserver.conf b/conf/coturn/turnserver.conf
index a6af887..f24738a 100644
--- a/conf/coturn/turnserver.conf
+++ b/conf/coturn/turnserver.conf
@@ -1,10 +1,8 @@
 lt-cred-mech
-use-auth-secret
-static-auth-secret=__TURNSERVER_PWD__
+listening-port=__TURNSERVER_PORT__
+user=__APP__:__TURNSERVER_PWD__
 realm=__DOMAIN__
 
-listening-port=__TURNSERVER_PORT__
-alt-listening-port=__TURNSERVER_ALT_PORT__
 min-port=49152
 max-port=65535
 
diff --git a/conf/ice-servers.json b/conf/ice-servers.json
index 98f9e02..cc898a2 100644
--- a/conf/ice-servers.json
+++ b/conf/ice-servers.json
@@ -2,11 +2,8 @@
     {
         "urls": [
             "turn:__DOMAIN__:__TURNSERVER_PORT__",
-            "turn:__DOMAIN__:__TURNSERVER_ALT_PORT__",
             "turn:__DOMAIN__:__TURNSERVER_PORT__?transport=tcp",
-            "turn:__DOMAIN__:__TURNSERVER_ALT_PORT__?transport=tcp",
-            "turn:__DOMAIN__:__TURNSERVER_PORT__?transport=udp",
-            "turn:__DOMAIN__:__TURNSERVER_ALT_PORT__?transport=udp"
+            "turn:__DOMAIN__:__TURNSERVER_PORT__?transport=udp"
         ],
         "username": "__APP__",
         "credential": "__TURNSERVER_PWD__",
diff --git a/scripts/install b/scripts/install
index e0bf0f9..6cec5d8 100755
--- a/scripts/install
+++ b/scripts/install
@@ -27,10 +27,7 @@ domain=$YNH_APP_ARG_DOMAIN
 path_url="/"
 admin=$YNH_APP_ARG_ADMIN
 is_public=$YNH_APP_ARG_IS_PUBLIC
-email=$(ynh_user_get_info --username=$admin --key=mail)
-ynh_print_OFF
 password=$YNH_APP_ARG_PASSWORD
-ynh_print_ON
 group_name=$YNH_APP_ARG_GROUP_NAME
 architecture=$(ynh_detect_arch)
 
@@ -84,17 +81,14 @@ ynh_script_progression --message="Finding an available port..." --weight=3
 # Find an available port
 port=$(ynh_find_port --port=8443)
 turnserver_port=$(ynh_find_port --port=1194)
-turnserver_alt_port=$(ynh_find_port --port=$((turnserver_port+1)))
 
 # Open the ports
 ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $port
 ynh_exec_warn_less yunohost firewall allow Both $turnserver_port
-ynh_exec_warn_less yunohost firewall allow Both $turnserver_alt_port
 
 # Store opened ports
 ynh_app_setting_set --app=$app --key=port --value=$port
 ynh_app_setting_set --app=$app --key=turnserver_port --value=$turnserver_port
-ynh_app_setting_set --app=$app --key=turnserver_alt_port --value=$turnserver_alt_port
 
 #=================================================
 # INSTALL DEPENDENCIES
diff --git a/scripts/remove b/scripts/remove
index 5b4490c..78cdef0 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -20,7 +20,6 @@ domain=$(ynh_app_setting_get --app=$app --key=domain)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 port=$(ynh_app_setting_get --app=$app --key=port)
 turnserver_port=$(ynh_app_setting_get --app=$app --key=turnserver_port)
-turnserver_alt_port=$(ynh_app_setting_get --app=$app --key=turnserver_alt_port)
 
 #=================================================
 # STANDARD REMOVE
@@ -98,11 +97,6 @@ then
     ynh_exec_warn_less yunohost firewall disallow Both $turnserver_port 
 fi
 
-if yunohost firewall list | grep -q "\- $turnserver_alt_port$"
-then
-    ynh_exec_warn_less yunohost firewall disallow Both $turnserver_alt_port
-fi
-
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 12f4966..f344407 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -33,10 +33,7 @@ final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 group_name=$(ynh_app_setting_get --app=$app --key=group_name)
 port=$(ynh_app_setting_get --app=$app --key=port)
 turnserver_port=$(ynh_app_setting_get --app=$app --key=turnserver_port)
-turnserver_alt_port=$(ynh_app_setting_get --app=$app --key=turnserver_alt_port)
-ynh_print_OFF
 turnserver_pwd=$(ynh_app_setting_get --app=$app --key=turnserver_pwd)
-ynh_print_ON
 
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
@@ -132,7 +129,6 @@ fi
 # Ouvre le port dans le firewall
 ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $port
 ynh_exec_warn_less yunohost firewall allow Both $turnserver_port
-ynh_exec_warn_less yunohost firewall allow Both $turnserver_alt_port
 
 #=================================================
 # RESTORE USER RIGHTS
diff --git a/scripts/upgrade b/scripts/upgrade
index 4fbac23..82c402e 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -24,7 +24,6 @@ password=$(ynh_app_setting_get --app=$app --key=password)
 group_name=$(ynh_app_setting_get --app=$app --key=group_name)
 port=$(ynh_app_setting_get --app=$app --key=port)
 turnserver_port=$(ynh_app_setting_get --app=$app --key=turnserver_port)
-turnserver_alt_port=$(ynh_app_setting_get --app=$app --key=turnserver_alt_port)
 turnserver_pwd=$(ynh_app_setting_get --app=$app --key=turnserver_pwd)
 architecture=$(ynh_detect_arch)
 
@@ -135,11 +134,11 @@ then
     ynh_replace_string --match_string="TURNSERVER_ENABLED=1" --replace_string="TURNSERVER_ENABLED=0" --target_file=/etc/default/coturn
 
     # Set a port for each service in turnserver
-    turnserver_alt_port=$(ynh_find_port --port=$((turnserver_port+1)))
+    turnserver_port=$(ynh_find_port --port=1194)
 
-    ynh_app_setting_set --app=$app --key=turnserver_alt_port --value=$turnserver_alt_port
+    ynh_app_setting_set --app=$app --key=turnserver_alt_port --value=$turnserver_port
 
-    yunohost firewall allow Both $turnserver_alt_port > /dev/null 2>&1
+    ynh_exec_warn_less yunohost firewall allow Both $turnserver_port
 
     #=================================================
     # MAKE A CLEAN LOGROTATE CONFIG