Redirect /urlpath/to/TWiki/index.html http://your.domain.com/urlpath/to/TWiki/bin/view
AuthUserFile /filepath/to/TWiki/data/.htpasswd
AuthName ByPassword
AuthType Basic
SetHandler cgi-script
ErrorDocument 401 /urlpath/to/TWiki/bin/view/TWiki/TWikiRegistration
SetHandler blabla
allow from all
require valid-user
require valid-user
require valid-user
require valid-user
require valid-user
allow from all