Hi All,    Seeking help on an issue on a cluster which has Knox configured for authentication to most services ( Hive, Ambari, Name Node, Resource Manager, Yarn, Oozie).    I hit an issue reflected in logs that when UI is initiated, knox redirect for LDAP login , login successful , but UI shows    "This site can't be reached   hostname's server IP address could not be found DNS_PROBE_FINISHED_NXDOMAIN   In the logs it seems to redirect back to Knox for authentication again as a loop   Appreciate any insights on how this could be resolved.    Thanks everyone in advance ... View more