diff --git a/README.md b/README.md
index 4ad74d3..6a680e7 100644
--- a/README.md
+++ b/README.md
@@ -11,8 +11,28 @@ Password and other usefull information will be sent to you after installation.
 #### Maintainers & history
 ----------------
 
-2014: Package creation was maid by [matlink]](https://github.com/Matlink)
+* 2014: Package creation was maid by [matlink]](https://github.com/Matlink)
+* 2016: improved and maintained by [Moul](https://github.com/M5oul)
+* 2018: full rewrite and now maintained by [Jibec](https://github.com/Jibec)
 
-2016: improved and maintained by [Moul](https://github.com/M5oul)
+**Shipped version:** 1.2.8 (source package provided by Debian) 
 
-2018: full rewrote and now maintained by [Jibec](https://github.com/Jibec)
+# State of this package
+
+* works fine:
+
+  * [x] install/remove/backup/remove/upgrade/multi-instance with x86_64
+
+* to be confirmed
+  * [x] ARM support
+  * [x] Improve systemd protection
+
+* to be added:
+  * [ ] Improve log file and add logrotate
+
+## Links
+
+ * Report a bug about this package: https://github.com/YunoHost-Apps/mumbleserver_ynh
+ * Report a bug about Mumble itself: https://github.com/mumble-voip/mumble
+ * Mumble website: https://mumble.info
+ * YunoHost website: https://yunohost.org
diff --git a/conf/systemd.service b/conf/systemd.service
index 7f0e148..2ccf9d4 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -10,6 +10,13 @@ Type=forking
 ExecStart=/usr/sbin/murmurd -ini __FINALPATH__/mumble-server.ini
 PIDFile=/var/run/mumble-server/__APP__.pid
 ExecReload=/bin/kill -s HUP $MAINPID
+PrivateDevices=true
+PrivateTmp=true
+ProtectHome=true
+ProtectSystem=strict
+ProtectControlGroups=yes
+ProtectKernelModules=yes
+ReadWritePaths=__FINALPATH__ /var/log/mumble-server /var/run/mumble-server
 
 [Install]
 WantedBy=multi-user.target
diff --git a/manifest.json b/manifest.json
index 3f377c7..c8cb7e0 100644
--- a/manifest.json
+++ b/manifest.json
@@ -15,7 +15,7 @@
     "requirements": {
         "yunohost": ">= 3.1.0"
     },
-    "version": "1.2.8~ynh4",
+    "version": "1.2.8~ynh5",
     "multi_instance": true,
     "services": [
     ],