You would recognize a self signed certificate by the fact that subject and issuer fields contain the same string while there is no certificateattribute set indicating this is a ca certificate.
自签署证书的特征是，主题和颁发者字段包含相同的字符串，而且没有设置表示这是ca证书的证书属性。
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The administrator can force the client to present a certificate (keeping in mind that "client" in this case can be another queue manager) by setting the channel's SSLCAUTH attribute to REQUIRED.
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。