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 Narendra C (NARENDRACHAGANTI)
Incessant Technologies Pvt Ltd

Incessant Technologies Pvt Ltd
IN
NARENDRACHAGANTI Member since 2010 7 posts
Incessant Technologies Pvt Ltd
Posted: July 5, 2016
Last activity: July 6, 2016
Posted: 5 Jul 2016 22:22 EDT
Last activity: 6 Jul 2016 1:42 EDT
Closed

Question on ports for Hazelcast

In the help (As part of pega 7.1.9 upgrade guide ) for elastic search, we have found out that we need to "open a TCP port in the range 9300-9399 on each node. Should not be externally accessible and it is only for node-to-node communication".

 

For hazelcast apart from the difference in ports 5701-5800, these ports should not be externally accessible as well?
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Posted: 4 years ago
Posted: 6 Jul 2016 1:42 EDT
Harish Gunneri (Harish_GCS)
PEGA
Senior Software Solutions Engineer
Pegasystems Inc.
US

Hi Narendra,


Pega 7 Platform uses Hazelcast distributed clustering technology to share data and send events between server nodes. 


The default port range for Hazelcast communication between nodes in a cluster is 5701 through 5800. I don't see any reason for keeping these ports open for external access. This port range is purely for cluster communications across the nodes and pretty much similar like Elastic search.


BR//


Harish