Open the panel
LetCore is the LetSecure web control panel. After installation, open:
http://YOUR_SERVER_IP:3789Enter the UI password printed by the installer.
First setup checklist
Section titled “First setup checklist”- Open Settings.
- Confirm the Network interface name.
- Save your License key.
- Optional: set a new UI password.
- Optional: set Control panel source to limit who can open the panel.
- Open Services and confirm LetCore and LetXDP are active and LetGeo is installed.
- Open Network configuration and enable one protection.
- Open Analytics and watch traffic after the change.
What the password does
Section titled “What the password does”The UI password unlocks the dashboard and allows the dashboard to make changes. If someone else gets this password, they can change protections from the panel.
You can change it in Settings > Security > UI password.
If the panel does not open
Section titled “If the panel does not open”Check these first:
- The URL includes port
3789. - The server firewall allows access to
3789. - LetCore is running.
- You are connecting from an allowed source if you already configured Control panel source.
On the server, check:
sudo systemctl status letcoreRecommended first protection
Section titled “Recommended first protection”If you are protecting a public server, start with a simple profile that matches your use case:
- Website behind Cloudflare: Only Cloudflare proxy.
- SSH service: SSH Anti-brute-force.
- Minecraft server: Minecraft.
Enable only one thing first, confirm everything still works, then continue.