← All Kali Issues
Wireguard
Cannot establish tunnel
N Network
High
🔴 Error Message
Wireguard peer not connecting
📖 What This Means
Key mismatch or firewall blocking.
🔧 Step-by-Step Fix
- Check keys match between peers
- Allow UDP port: sudo ufw allow 51820/udp
- Check: sudo wg show for handshake status