ElasticSearch设置用户名密码访问

版本号:7.3.1

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1.需要在配置文件中开启x-pack验证, 修改config目录下面的elasticsearch.yml文件，在里面添加如下内容,并重启.

xpack.security.enabled: true
xpack.license.self_generated.type: basic
xpack.security.transport.ssl.enabled: true

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2，执行设置用户名和密码的命令,这里需要为4个用户分别设置密码，elastic, kibana, logstash_system,beats_system

bin/elasticsearch-setup-passwords interactive

Initiating the setup of passwords for reserved users elastic,kibana,logstash_system,beats_system.
You will be prompted to enter passwords as the process progresses.
Please confirm that you would like to continue [y/N]y
Enter password for [elastic]:
passwords must be at least [6] characters long
Try again.
Enter password for [elastic]:
Reenter password for [elastic]:
Passwords do not match.
Try again.
Enter password for [elastic]:
Reenter password for [elastic]:
Enter password for [kibana]:
Reenter password for [kibana]:
Enter password for [logstash_system]:
Reenter password for [logstash_system]:
Enter password for [beats_system]:
Reenter password for [beats_system]:
Changed password for user [kibana]
Changed password for user [logstash_system]
Changed password for user [beats_system]
Changed password for user [elastic]

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3，修改密码命令如下

curl -H "Content-Type:application/json" -XPOST -u elastic 'http://127.0.0.1:9200/_xpack/security/user/elastic/_password' -d '{ "password" : "123456" }'