The moment you start a web server at your site, you open a window into your local network that the entire Internet can peer through. Filtering user access to different parts of the site is important. Access to the main page and other public pages of the site is normally made available to everybody; but on the other hand, all sensitive information should be protected. 4D v11 SQL has a built in web security system, but also it allows developers to use their own customized system.

This technical note explains and demonstrates how to create a custom web security system. A component is included that will help users build their security realms.

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