As you move down the tree of nodes, the DN of each parent nodes is included in the DN of its child nodes.
当向下移动节点树时，每个父节点的DN被包含在其子节点的DN中。
2
Narrowing down the scope of that trust requires use of the channel's SSLPEER attribute to specify acceptable values for the Distinguished Name (DN) fields within the certificate.
限制信任范围需要使用通道的SSLPEER属性为这个证书中的Distinguished Name (DN，可分辨名称)字段指定可以接受的值。