auth_memcookie.conf

<Location />
        # This is a list of memcache servers which Auth MemCookie
        # should use. It is a ','-separated list of
        # host:port-pairs.
        # Note that this list must list the same servers as the
        # 'authmemcookie.servers'-option in config.php in the
        # configuration for simpleSAMLphp.
        Auth_memCookie_Memcached_AddrPort "127.0.0.1:11211"

        # This must be set to 'on' to enable Auth MemCookie for
        # this directory.
        Auth_memCookie_Authoritative on

        # This adjusts the maximum number of data elements in the
        # session data. The default is 10, which can be to low.
        Auth_memCookie_SessionTableSize "40"

        # These two commands are required to enable access control
        # in Apache.
        AuthType Cookie
        AuthName "My Login"

        # This command causes apache to redirect to the given
        # URL when we receive a '401 Authorization Required'
        # error. We redirect to "/simplesaml/authmemcookie.php",
        # which initializes a login to the IdP.
        ErrorDocument 401 "/simplesaml/authmemcookie.php"

</Location>

<Location /secret>
        # This allows all authenticated users to access the
        # directory. To learn more about the 'Require' command,
        # please look at:
        # http://httpd.apache.org/docs/2.0/mod/core.html#require
        Require valid-user
</Location>