Why is HTTPS Important: Creating a Simple Flask Server
This lesson introduces you to `Flask`, a web framework. `Flask` is used to build an application to host a secret message for your friends. A non-standard port is used to try and hide the service.
With the server running, the command-line `lsof` and `nmap` tools are used to demonstrate just how not secret this web application is. The tools expose what port the application is running on and even what version of Python is in use. The network analyzer, Wireshark, is then shown, displaying the full content of the no-longer-secret message.
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