The Port numbers below 1024 can only use by the superuser (root, under Unix) and this prevents other users from running programs masquerading as regular services.
But, Under Win32 there is currently no real security beyond what you can provide us using file permissions and no superuser (at least, not as far as port numbers are concerned).
Windows servers deploy scalable server applications using IIS is getting stronger as compared to Apache.
IIS enables developers to host a new generation of dynamic and engaging Web content, IIS fully supports, Microsoft Visual Basic programming system.
VBScript, Microsoft JScript, development software and JAVA components, it also supports Common Gateway Interface (CGI) and WinCGI for web-based programs, and Internet Server Application Programming Interface (ISAPI) extensions and filters. Process isolation allows hosting multiple Web sites safely. If a site stops responding, other sites will not be affected.
Microsoft Visual Basic gives you a complete Windows application development system in one package. Visual Basic lets you write, edit, and test Windows applications. Besides, Visual Basic includes tools you can use to write and compile help files, ActiveX controls, and even Internet applications.