https://community.cloudera.com/t5/Support-Questions/Port-range-for-ApplicationMaster-in-YARN/m-p/77352#M34177 <P>Hello,</P><P>&nbsp;</P><P>Everytime we submit a job to YARN, it opens up a new port, it is hard to setup a firewall rule. As there is a need enforcing the security policies in cluster, is there any way to have a port range ApplicationMaster in YARN?</P><P>&nbsp;</P><P>What is the best practices interms of setting up firewall in the cluster?</P><P>&nbsp;</P><P>I'm using CDH enterprise 5.10</P><P>&nbsp;</P><P>Thanks in advance</P><P>Arun</P> Fri, 16 Sep 2022 13:30:20 GMT Arunachalam 2022-09-16T13:30:20Z