I am getting error Untrusted proxy CN=rang2, OU=NIFI while trying to log into NiFi UI . Follow this page I enable SSL for Nifi ,but meet one mistake as he say and can't solve it by myself. https://community.hortonworks.com/articles/58009/hdf-20-enable-ssl-for-apache-nifi-from-ambari.html In Ambari UI, I've set Node Identities in Advanced nifi-ambari-ssl-config: <!-- Provide the identity (typically a DN) of each node when clustered (see tool tip for detailed description of Node Identity). Must be specified when Ranger Nifi plugin will not be used for authorization. --> <property name="Node Identity 1">CN=rang2, OU=NIFI</property> And in authorizers.xml, it seems to work: <authorizer> <identifier>ranger-provider</identifier> <class>org.apache.nifi.ranger.authorization.RangerNiFiAuthorizer</class> <property name="Ranger Audit Config Path">/usr/hdf/current/nifi/conf/ranger-nifi-audit.xml</property> <property name="Ranger Security Config Path">/usr/hdf/current/nifi/conf/ranger-nifi-security.xml</property> <property name="Ranger Service Type">nifi</property> <property name="Ranger Application Id">nifi</property> <property name="Ranger Admin Identity">CN=mytest, OU=NIFI</property> <property name="Ranger Kerberos Enabled">true</property> <!-- Provide the identity (typically a DN) of each node when clustered (see tool tip for detailed description of Node Identity). Must be specified when Ranger Nifi plugin will not be used for authorization. --> <property name="Node Identity 1">CN=rang2, OU=NIFI</property> </authorizer> </authorizers> But this error happened when I set policies by Ranger UI and try to login nifi. Any suggestions? ... View more