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O'Reilly Platform
book
Presto实战
by
Matt Fuller
,
Manfred Moser
,
Martin Traverso
March 2021
Intermediate to advanced
265 pages
6h 50m
Chinese
Posts & Telecom Press
Content preview from
Presto实战
安全
|
199
的所在位置,而不是默认的
/etc/krb5.conf
:
http.server.authentication.krb5.principal-hostname=presto.example.com
http.authentication.krb5.config=/etc/presto/krb5.conf
为了保证集群内部通信的安全,你需要为内部通信指定有效的
Kerberos
凭证并启用它:
internal-communication.kerberos.enabled=true
确保你也在工作节点上设置了
Kerberos
。用于内部通信的
Kerberos
安全主体是由
http.
server.authentication.krb5.service-name
建立的,其后追加了
Presto
运行节点的主机名
和
Kerberos
配置的默认
realm
。
10.7
数据源访问和安全配置
在图
10-10
中可以看到
Presto
数据安全的另一个方面。在
Presto
中配置的每个
catalog
都包
括连接字符串以及用于连接到数据源的用户凭证。不同的连接器和目标数据源系统允许不
同的访问配置。
用户首先向协调器进行认证。
Presto
连接器向数据源发出请求,这通常也需要认证。
工作节点
工作节点
协调器
图
10-10
:影响用户数据的数据源安全配置
从连接器到数据源的认证取决于连接器的实现。在许多连接器实现中,
Presto
以服务用户
的身份进行认证。因此,对于这类连接器来说,无论执行查询的用户是谁,查询都是以服
务用户的身份在底层系统中执行的。 ...
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Publisher Resources
ISBN: 9787115560056