https://solr.apache.org/guide/solr/latest/deployment-guide/authentication-and-authorization-plugins.html#securing-inter-node-requests

Jan

> 3. apr. 2023 kl. 05:21 skrev Shawn Heisey <[email protected]>:
> 
> On 4/2/23 15:17, Jan Høydahl wrote:
>> Shawn, the PKI auth that requires these special properties during rolling 
>> upgrade has nothing with SSL cert auth.
>> It is needed for Solr’s internal traffic between nodes regardless of SSL. We 
>> call that PKI auth and it changed formats. So even with basic auth enabled 
>> in your cluster Solr may decide to use PKI for certain calls between nodes, 
>> and even search calls in case of a sharper collection.
> 
> Interesting.  I was not aware that anything like this existed.  Is that a 
> SolrCloud feature?  Where can I find more info about it?
> 
> Thanks,
> Shawn

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