hardening systemd unit

support/systemd/peertube.service

@@ -15,5 +15,19 @@ StandardError=syslog
 SyslogIdentifier=peertube
 Restart=always
 
+; Some security directives.
+; Use private /tmp and /var/tmp folders inside a new file system namespace,
+; which are discarded after the process stops.
+PrivateTmp=true
+; Mount /usr, /boot, and /etc as read-only for processes invoked by this service.
+ProtectSystem=full
+; Sets up a new /dev mount for the process and only adds API pseudo devices
+; like /dev/null, /dev/zero or /dev/random but not physical devices. Disabled
+; by default because it may not work on devices like the Raspberry Pi.
+PrivateDevices=false
+; Ensures that the service process and all its children can never gain new
+; privileges through execve().
+NoNewPrivileges=true
+
 [Install]
 WantedBy=multi-user.target