A while ago I was part of a project team with the task to intodruce Oracle Application Express in our company. This tool is used to simply present database querys graphically in a browser application. While most installation and administration steps are well documented, we couldn’t find anything to have an authorization within an APEX app based on LDAP groups. And that’s why I want to present with which solution we came up. In this article I’m referring to APEX in version 5.1.