The agent provides full secure VPN access out of the box. We install the qbee agent on any Raspberry Pi, odroid, BeagleBoard or other Linux device that we have OS access to and bootstrap it to the qbee cloud platform. There is a free 30 day trial available.īut the same concept can be implemented with any other open source software as well.įirst a VPN into the local network needs to be created. There we use qbee to provide the on device VPN, the tunnel and qbee-connect to abstract it to a desktop device outside the firewall.įor this tutorial we use a software called qbee.io to show the concept because the VPN is already included and configured in the agent. Please see how a system diagram looks in the drawing below. Then on the local desktop machine ssh is used to make the specific port accessible. So any secure or non-secure port (80, 443 or any port) can be tunnelled through the secure VPN of the second device. This device usually needs to provide a VPN to be reachable from the outside. What is ssh port forwarding through VPN? SSH port forwarding is a mechanism for tunnelling application ports from a remote machine that we do not have access to via a local device with external ssh access in the same remote network. Then an ssh port forwarding is created that forwards the original device's service on the specific port to the second device and this is accessed with the virtual private network and another mapped port. The idea is to have another device in the local network that can be accessed through a virtual private network with ssh. But these applications also run behind your router firewall.īut there is a technique called ssh port forwarding that can resolve this. This also applies to hobbyist applications such as a Node-Red instance, your Wifi router or a pi-hole installation in your local network that you might want to have access to from anywhere. Therefore these devices are isolated from the outside by firewall and NAT. Often that makes sense as they operate an open web server on port 80 (http) or they have a low security web application setup with only basic login. Many industrial IoT applications have parameters that need to be configured or they contain interesting information but the device they are running on is not accessible in terms of OS (operating system) and it is protected from external access through firewalls. Using ssh port forwarding to remotely connect to a closed device running a web server behind a firewall
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