Check if port 68 is open
On the server, see what is listening:
sudo ss -tulpn | grep ':68 'From another machine, test reachability:
nc -zv your-server.example.com 68Port 68 (UDP) — DHCP client
DHCP client receives offers here.
🔒 Runs locally — your input never leaves this browser tab
- Port
68- Protocol
- UDP
- Service
- DHCP client
- Internet exposure risk
- Low
LAN only.