Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.
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procedure TMainForm.RegisterFileType; var Reg : TRegistry; Begin Reg := TRegistry.Create; try with Reg do begin RootKey := HKEY_CLASSES_ROOT; OpenKey('\ITKnowledgeBase', True); WriteString('', 'ITKnowledgeBase File'); CloseKey; OpenKey('ITKnowledgeBase\DefaultIcon', True); WriteString('', Application.ExeName + ',0'); CloseKey; OpenKey('ITKnowledgeBase\shell\open\command', True); WriteString('', Application.ExeName + '1'); CloseKey; RootKey := HKEY_CLASSES_ROOT; OpenKey('\.PKD', True); WriteString('', 'ITKnowledgeBase'); CloseKey; end; finally Reg.CloseKey; Reg.Free; end; end;
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