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From Hannu Kröger <>
Subject Re: Securing cluster communication
Date Fri, 28 Jun 2019 14:05:52 GMT
I would start checking this page:

Then move to this:


> Marc Richter <> kirjoitti 28.6.2019 kello 16.55:
> Hi everyone,
> I'm completely new to Cassandra DB, so please do not roast me for asking obvious stuff.
> I managed to setup one Cassandra node and enter some data to it, successfully. Next,
I installed a second node, which connects to that first one via port 7000 and sync all that
data from it. This worked fine as well.
> But doing so, it leaves me puzzled a bit because of the security aspect of this: Neither
did I need to authenticate to the seeding (first) node, nor did I find a resource which describes
how to secure that cluster communication by implementing some kind of authentication, which
prevents everyone on the same net to connect to the nodes.
> How is this dealt with in Cassandra? Is setting up firewalls the only way to allow only
some nodes to connect to the ports 7000/7001?
> BR,
> Marc
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