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Cloudera Data Hub security groups

Depending on what you chose during environment creation, Cloudera can create security groups for your Data Hub clusters automatically or it can use your pre-created security groups:

  • If, during environment creation, you provided your own security groups, Cloudera uses these security groups when deploying clusters.

  • If, during environment creation, you chose for Cloudera to create new security groups, new security groups are created for each Cloudera Data Hub cluster according to the following table.

Cloudera Data Hub: master

Azure naming convention: ${hostgroup-name}${dh-name}${numeric-id}sg

Table 1. Cloudera Data Hub: master inbound ports

TCP

22

Your CIDR.

This is an optional port for end-user SSH access to cluster hosts. You should open it to your organization’s CIDR.

TCP

443

Your CIDR and Cloudera CIDR.

This port is used to access the Cloudera Data Hub cluster UIs via Knox gateway. You should open it to your organization’s CIDR in order to access cluster UIs.

When CCM is enabled, you only need to set this to your CIDR.

TCP

9443

Cloudera CIDR.

Cloudera uses this port to maintain management control of clusters and data lakes.

This port is not used when CCM is enabled.

TCP, UDP

0-65535

Your VNet’s CIDR (for example, 10.10.0.0/16) and your subnet’s CIDR (for example, 10.0.2.0/24).

This is required for internal communication within the VNet.

ICMP

N/A

Your internal VNet CIDR (for example, 10.10.0.0/16).

This is required for internal communication within the VNet.

Cloudera Data Hub: worker

Azure naming convention: ${hostgroup-name}${dh-name}${numeric-id}sg

Table 2. Cloudera Data Hub: worker inbound ports
Protocol Port Range Source Description

TCP

22

Your CIDR.

This is an optional port for end-user SSH access to cluster hosts.

TCP, UDP

0-65535

Your VNet’s CIDR (for example, 10.10.0.0/16) and your subnet’s CIDR (for example, 10.0.2.0/24).

This is required for internal communication within the VNet.

ICMP

N/A

Your internal VNet CIDR (for example, 10.10.0.0/16).

This is required for internal communication within the VNet.

Cloudera Data Hub: compute

Azure naming convention: ${hostgroup-name}${dh-name}${numeric-id}sg

Table 3. Cloudera Data Hub: compute inbound ports
Protocol Port Range Source Description

TCP

22

Your CIDR.

This is an optional port for end-user SSH access to cluster hosts.

TCP, UDP

0-65535

Your VNet’s CIDR (for example, 10.10.0.0/16) and your subnet’s CIDR (for example, 10.0.2.0/24).

This is required for internal communication within the VNet.

ICMP

N/A

Your internal VNet CIDR (for example, 10.10.0.0/16).

This is required for internal communication within the VNet.