[Unit] Description=Open Source EchoLink Proxy After=network.target nss-lookup.target ConditionPathExists=/etc/ELProxy.conf [Service] PrivateTmp=true PrivateUsers=true ProtectSystem=strict ProtectHome=true PrivateDevices=true ProtectKernelTunables=true ProtectKernelModules=true ProtectKernelLogs=true ProtectControlGroups=true RestrictNamespaces=true NoNewPrivileges=true MemoryDenyWriteExecute=true LockPersonality=true SystemCallFilter=@system-service RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6 ProtectHostname=true Type=forking User=openelp Group=openelp ExecStart=/usr/bin/openelpd -S /etc/ELProxy.conf [Install] WantedBy=multi-user.target