Creating a dictionary file (with VSA definitions) with Free RADIUS Procedure Create a dictionary file (for example, dictionary.hp) containing VSA definitions. An example file is: Creating dictionary file Find the location of the dictionary files used by FreeRADIUS (try /usr/local/share/freeradius). Copy dictionary.hp to that location. Open the existing dictionary file and add this entry: $ INCLUDE dictionary.hp You can now use VSAs with other attributes when configuring user entries.