<Location /bak>
   AuthType Basic
   AuthName "BackupPC login"
   AuthBasicProvider ldap
   AuthzLDAPAuthoritative on
   AuthLDAPURL "ldap://fw.163.net:389/ou=People,dc=163,dc=net?uid?sub?(objectClass=*)"
   require valid-user
   #Setenv REMOTE_USER www
</Location>

直接把上面的添加到 /etc/backuppc/apache.conf 里面, 重启backuppc apache OK