[Unit]
Description=OSTP Stealth VPN Server
After=network-online.target
Wants=network-online.target

[Service]
Type=simple
User=root
WorkingDirectory=/etc/ostp
ExecStart=/usr/local/bin/ostp-server -c /etc/ostp/server.json
Restart=on-failure
RestartSec=10s
LimitNOFILE=65536

# Security hardening
NoNewPrivileges=true
PrivateTmp=true
ProtectSystem=strict
ProtectHome=true
ReadWritePaths=/etc/ostp

[Install]
WantedBy=multi-user.target