Firewalld rules that can be implement in cloudera nodes

[#1]

Hi I've tried to implement firewall using the firewalld of my rhel7 server which is also our datanode, what rules and ports do I need to implement here so that the cloudera services is still functioning and will not block there connection?

firewall-cmd --list-all
public
target: default
icmp-block-inversion: no
interfaces:
sources:
services: dhcpv6-client ssh
ports:
protocols:
masquerade: no
forward-ports:
source-ports:
icmp-blocks:
rich rules:

[#2 · Accepted solution]

Hello,

This topic is described at length in the official documentation - https://docs.cloudera.com/documentation/enterprise/6/6.3/topics/cm_ig_ports.html 

Kind regards,

Julius