When you create a form to be used by a web server that supports FrontPage Server Extensions (for example Microsoft IIS or Apache), follow these steps:
Place it on an HTTPS:-site and password protect it. How to password protect depends on which type of webserver you are using.
If you are using SpreadsheetConverter/ExcelEverywhere to HTML and want your users to login before they can use the calculator, the solution is to use the authentification of the web server to handle this. Both Internet Information Server (IIS) and Apache handles this.
If you use IIS, you can create normal Windows users and deny guest access to your web server.
If you use Apache, here is an article describing it: Protect Web sites with Apache Server’s HTTP authentication system. Alternatively, you can program the authentification yourself. Secure your Web pages with custom authentication Or, you can use ASP.NET’s form authentification. A simple solution is to store name + password in web.config. ASP.NET Form Authenticiation tutorial The SpreadsheetServer also handles logins.
For Windows XP, see
For Windows Vista, see
Here are a number of good tutorials: