https://community.cloudera.com/t5/Support-Questions/Cannot-connect-to-webhdfs/m-p/42120#M55365 <P>Here is the -v of the curl you gave:</P><PRE>[root@quickstart cloudera]# curl -i -v "http://quickstart.cloudera:50070/webhdfs/v1/user/user.name=cloudera&amp;op=GETFILESTATUS" * About to connect() to quickstart.cloudera port 50070 (#0) * Trying 10.0.2.15... Connection refused * couldn't connect to host * Closing connection #0 curl: (7) couldn't connect to host</PRE> Mon, 20 Jun 2016 10:08:28 GMT Vale 2016-06-20T10:08:28Z