Adding a rule to the Windows firewall

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Revision as of 14:46, 23 January 2007 by Giulio (Talk | contribs)
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If you want to add you application to the "allowed" list in the Windows firewall (Windows XP SP2, Vista, ...) and, you can make use of the Net.exe application built into Windows:

This is all one line in Inno Setup:

    Filename: "{sys}\netsh.exe"; Parameters: "firewall add allowedprogram ""{app}\app.exe"" ""My App desc"" ENABLE ALL";
    StatusMsg: "My status msg..."; Flags: runhidden; MinVersion: 0,5.01.2600sp2;

MinVersion will take care of running it only for Windows >= WinXP SP2.

Ideally you should use a user selectable task for this:

   [Tasks]
   ; Firewall starting from Windows XP SP2 (5.01.2600sp2)
   Name: Firewall; Description: "Add an exception to Windows firewall"; MinVersion: 0,5.01.2600sp2; 
   ...
   ...
   ...
   [Run]
   Filename: "{sys}\netsh.exe"; .........; Tasks: Firewall;
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