How to encrypt the web.config file in ASP.NET?
It is very easy to encrypt the web.config file thanks to the .NET built-in tool aspnet_regiis.exe. We can run this tool in the command line, pass a few parameters and it will encrypt your web.config file. We will be leveraging the .NET tool aspnet_regiis.exe which can be found in the directory C:\Windows\Microsoft.NET\Framework64\v4.0.30319, the Framework64 and v4.0.30.319 may differ depending on what machine and version of .NET you are running....