=item C<CookieSecret>
-The secret cookie which should be set along with whatever response is
-sent to the client. The value in the hash is the actual secret value
+The login cookie which should be set along with whatever response is
+sent to the client. The value in the hash is the actual value
of the cookie as a string. C<undef> means no cookie setting header
should be sent; C<''> means the cookie should be cleared.