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Delphi and Windows Firewall Exceptions list

Posted on 2009-05-07
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Last Modified: 2013-12-03
Hello,

   How to add my Application Executable to Wndows Firewall Exception list automaticly, so that when my application runs on the machine for the first time it will add itself automaticly to windows firewall exception list without asking the user.

  Windows Automaticly blocks any application trying to use the Internet/LAN connections, and asks the user to Unblock ot Keep Blocking the application from accesing the connection.

  Some Users doesn't understand the message and click on KEPP BLOCKING, so that my application will not do its job.
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Question by:i7mad
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5 Comments
 
LVL 3

Expert Comment

by:RemkoEB
ID: 24323454
The Jedi Windows Security Library contains a unit for controlling the Windows Firewall.
See http://blog.delphi-jedi.net/security-library/ and http://jwscldoc.delphi-jedi.net/index.html?frmname=topic&frmfile=JwsclFirewall_pas.html

I think you can use procedure AddToWinFirewall(ApplicationFilename: TJwString; NameOnExeptionlist: TJwString; EnableRule: Boolean);

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Author Comment

by:i7mad
ID: 24323510
I think it is easier than using Outside laibraries.
   Some API functions should solve the story.
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Author Comment

by:i7mad
ID: 24323524
libraries

sorry typo
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LVL 3

Accepted Solution

by:
RemkoEB earned 500 total points
ID: 24323536
Then you need to import the typelib (from %windir%\system32\hnetcfg.dll ) and implement yourself.
Documentation of the interfaces is here: http://msdn.microsoft.com/en-us/library/aa366452(VS.85).aspx
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Author Comment

by:i7mad
ID: 24372112
I found this and it's worked :
uses ActiveX, ComObj;
 
const
   NET_FW_PROFILE_DOMAIN = 0;
   NET_FW_PROFILE_STANDARD = 1;
   NET_FW_IP_VERSION_ANY = 2;
   NET_FW_IP_PROTOCOL_UDP = 17;
   NET_FW_IP_PROTOCOL_TCP = 6;
   NET_FW_SCOPE_ALL = 0;
   NET_FW_SCOPE_LOCAL_SUBNET = 1;
 
 
procedure AddPortToFirewall(EntryName:string;PortNumber:Cardinal);
var
  fwMgr,port:OleVariant;
  profile:OleVariant;
begin
  fwMgr := CreateOLEObject('HNetCfg.FwMgr');
  profile := fwMgr.LocalPolicy.CurrentProfile;
  port := CreateOLEObject('HNetCfg.FWOpenPort');
  port.Name := EntryName;
  port.Protocol := NET_FW_IP_PROTOCOL_TCP;
  port.Port := PortNumber;
  port.Scope := NET_FW_SCOPE_ALL;
  port.Enabled := true;
  profile.GloballyOpenPorts.Add(port);
end;
 
procedure AddApplicationToFirewall(EntryName:string;ApplicationPathAndExe:string);
var
  fwMgr,app:OleVariant;
  profile:OleVariant;
begin
  fwMgr := CreateOLEObject('HNetCfg.FwMgr');
  profile := fwMgr.LocalPolicy.CurrentProfile;
  app := CreateOLEObject('HNetCfg.FwAuthorizedApplication');
  app.ProcessImageFileName := ApplicationPathAndExe;
  app.Name := EntryName;
  app.Scope := NET_FW_SCOPE_ALL;
  app.IpVersion := NET_FW_IP_VERSION_ANY;
  app.Enabled :=true;
  profile.AuthorizedApplications.Add(app);
end;

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