HTTP AWS user authentication from RADIUS server

Using basic authentication with HTTP AWS (NET+OS 6.0). User access and password information is stored in the device flash memory. Would like to move all access management to a central RADIUS server and configure device as a RADIUS client. Got a radius client library ported and working. Documents mention enabling RADIUS using external password authentication with the use of opaque variables. Need details how to do this? Documentation or any example ?

Found an example in NET+OS 7.1(examples/nahttp_spwd) user authorization using LDAP. Guess AWS works same with 6.0 and 7.1.

The code has been made more robust in later revisions of NET+OS, however the basic functionality of the AWS hasn’t changed much.