Webdav+Ldapで特定グループからのアクセスを許可する方法

<Location "/webdav">
       Options Indexes MultiViews FollowSymLinks
       DAV On
       SSLRequireSSL
       Order deny,allow
       Deny from All
       AuthName "LDAP Auth"
       AuthType Basic
       AuthBasicProvider ldap
       AuthzLDAPAuthoritative On
       AuthLDAPURL ldap://localhost/dc=yourdomain,dc=com?uid
       AuthLDAPGroupAttribute memberUid
       AuthLDAPGroupAttributeIsDN off

       Require ldap-attribute gidNumber 1001
       Satisfy any
</Location>