[Unit]
Description=udptunnel service
Requires=udptunnel.socket
ConditionPathExists=!/etc/udptunnel/udptunnel_not_to_be_run

[Service]
Type=notify
Restart=always
ExecStart=/usr/local/bin/udptunnel --server --verbose 127.0.0.1:51820
StandardOutput=journal
StandardError=journal
DynamicUser=yes
NoNewPrivileges=yes
PrivateTmp=yes
PrivateDevices=yes
ProtectSystem=strict
ProtectHome=yes
ProtectKernelTunables=yes
ProtectKernelModules=yes
ProtectControlGroups=yes
RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
RestrictNamespaces=yes
LockPersonality=yes
MemoryDenyWriteExecute=yes
RestrictRealtime=yes
RemoveIPC=yes
SystemCallArchitectures=native

[Install]
WantedBy=multi-user.target