... TWiki User Authentication . Changed: . TWiki does not authenticate users internally, it depends on the REMOTE_USER environment variable. ... Use Basic Authentication for the edit and attach scripts. ... There is a way to tell TWiki to remember the user for the scripts that are not authenticated, ex: in case the REMOTE_USER environment variable is not set. TWiki can be configured to remember the IP address/username pair whenever an authentication happens (edit topic, attach file). ...