Overview: If using public IP addresses on Teltonika router you can lock down your security if your head office has a public IP.
To lock down Web GUI access to the Teltonika
Navigate to Network > Firewall > Traffic rules: edit the HTTP/HTTPS WAN rule
In this example our rule is called "ENABLE_HTTPS_WAN" and we restrict to IP 11.22.33.44; be careful, since once you apply this rule nobody will be able to access your Teltonika EXECPT from that IP address.
To lock down any port forwarding to Teltonika LAN devices
Navigate to Network > Firewall > Port Forwards: edit the forwarding rule
In this example our forwarding rule is called "RDP-TEST-WAN" and we restrict to IP 99.88.77.66; be careful, since once you apply this rule nobody will be able to access device (LAN IP 192.168.1.99) on this port (3389) EXECPT from that IP address (99.88.77.66).
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