Accessing JanusEye from the Internet

Accessing JanusEye from the Internet

Control your surveillance from anywhere in the world

External Connection Basics

To reach your Raspberry Pi from your smartphone (using 4G/5G) or from another location, you must pass through your router's protection. This is known as Port Forwarding.

1. VPN (Recommended)

Install WireGuard or Tailscale on your Raspberry Pi. This is the most secure method to access your camera without opening ports on your router. VPN Access Guide.

 

2. Set a Static Local IP for the Server

Before opening a port, you must ensure that the Raspberry Pi's address does not change on your local network.

  • Log in to your Router (often at 192.168.1.1).
  • Go to advanced settings, DHCP or Static Leases section.
  • Identify your Raspberry Pi (using its name or MAC address).
  • Assign it a fixed address (e.g., 192.168.1.50).

Now, even after a power outage, your server will always have the same internal address.

3. Port Forwarding (NAT/PAT)

Think of your Router as a building. The port number is the apartment number.

Look for the Port Forwarding tab and create a rule for JanusEye:

ServiceExternal PortDestination IPInternal Port
JanusEye5000192.168.1.505000

The External Port is the one you will use on the Internet. The Internal Port is the one configured on the Raspberry Pi.

Connection Test: Turn off your phone's Wi-Fi and try to connect via 4G/5G at:

http://your_public_IP:5000

To find your public IP, visit WhatsMyIP.org.

4. Use a Domain Name (DDNS)

Your public IP address often changes. To avoid looking it up constantly, use a free domain name.

  • Sign up for a free service like DuckDNS.org or No-IP.
  • Choose a name (e.g., my-home-cam.duckdns.org or my-home-cam.ddns.net).
  • Configure your Router in the DynDNS / DDNS section with your credentials.
  • Many modern routers (like the Freebox or Livebox) offer their own free domain name service directly in their interface, which saves you from creating an account elsewhere!

Your Router will now automatically report any address changes to your domain name provider.

⚠️ IMPORTANT: Never place your JanusEye server in DMZ on your internet box. This exposes all ports on the system to the public. Only use redirection (NAT/PAT) of the specific port of your VPN (ex: 51820) for maximum security.

 

⚠️ ACTIVE SECURITY: Once you open JanusEye to the Internet, remember that the system monitors access. After 3 failed attempts, the visitor's IP ADDRESS is recorded and blocked.
🚀 Final 4G/5G Test:

http://my-home-cam.duckdns.org:5000/

or

http://my-home-cam.ddns.net:5000/

 
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