C# is called Windows Firewall system settings, and to achieve change these settings, you can turn off, open the system firewall, open the exception, add its own permits, and to revert to the system firewall default settings.

WindowsFireWall\Form1.cs
...............\Form1.Designer.cs
...............\Form1.resx
...............\obj\Debug\WindowsFireWall.csproj.GenerateResource.Cache
...............\...\.....\WindowsFireWall.csproj.ResolveComReference.cache
...............\...\.....\WindowsFireWall.Form1.resources
...............\...\.....\WindowsFireWall.pdb
...............\...\.....\WindowsFireWall.Properties.Resources.resources
...............\...\WindowsFireWall.csproj.FileList.txt
...............\Program.cs
...............\...perties\AssemblyInfo.cs
...............\..........\Resources.Designer.cs
...............\..........\Resources.resx
...............\..........\Settings.Designer.cs
...............\..........\Settings.settings
...............\WindowsFireWall.csproj
...............\WindowsFireWall.sln
...............\WindowsFireWall.suo
...............\obj\Debug\TempPE
...............\bin\Debug
...............\obj\Debug
...............\bin
...............\obj
...............\Properties
WindowsFireWall

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