To use this authentication strategy, you will need to start the api-server with the --basic-auth-file=<path_to_auth_file> switch. It should be a csv file with the following entry for each user:
password, user name, userid
You can also specify an optional fourth column containing group names, separated by a comma. If there is more than one group for the user, the whole column contents must be enclosed in double quotes, for example:
password, user, userid,"group1,group2,group3"
If the api-server utilizes the basic auth strategy, it will expect all REST calls to be made with the Authorization header containing username and password encoded in BASE64 (similar to ordinary basic auth protected web calls), for example: