Hello @Cristina_Marletta_Li
As per the post :
In the elasticsearch.yml we need to add below entry :
If it is for testing environment can use below (not secure):
xpack.http.ssl.verification_mode: none
For Prod need to use below :
xpack.http.ssl.certificate_authorities: ["/path/to/http_ca.crt"]
Documentation :
https://www.elastic.co/docs/reference/elasticsearch/configuration-reference/watcher-settings
Thanks!!