Wondering about these log events on our elected master node: [2020-03-03T08:46:57,125][WARN ][o.e.x.s.t.n.SecurityNetty4HttpServerTransport] [es-mst2] received plaintext http traffic on an https channel, closing connection Netty4HttpChannel{localAddress=/<redacted>:9200, remoteAddress=/<redacted>:3…

Never managed to capture other than metricbeat connecting to master nodes port 9200, only metricbeat are using TLS. But I then found old running logstash instances blast from the past when nodes were used to also run Cassandra and they were not using TLS back in those days :slight_smile: They came…

7.6.0 still attempting plaintext http

Elastic Stack Elasticsearch

system (system) Closed April 10, 2020, 5:25pm 6

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Topic		Replies	Views
Received plaintext http traffic on an https channel Elasticsearch	2	879	June 30, 2020
Failed to authenticate user [elastic] AND received plaintext http traffic on an https channel, closing connection Elasticsearch elastic-stack-security	3	571	October 15, 2021
Received plaintext http traffic on an https channel Elasticsearch elastic-stack-security	3	1414	November 16, 2021
SecurityNetty4HttpServerTransport received plaintext http traffic on an https channel Elasticsearch	1	1108	August 4, 2022
Received plaintext http traffic on an https channel Elasticsearch	4	11475	February 24, 2023

7.6.0 still attempting plaintext http

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