IC690CBL714
IC690CBL714
IC690CBL714
IC690CBL714
IC690CBL714
数据库防火墙顾名思义是一款数据(库)安全设备,从防火墙这个词可以看出,其主要作用是做来自于外部的危险隔离。换句话说,数据库防火墙应该在入侵在到达数据库之前将其阻断,至少需要在入侵过程中将其阻断。
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1. 如何定义外部?
至于如何定义外部威胁,则需要对于数据库边界进行明确的界定,而这个数据库边界的界定则具有多变性。第一种定义,从极限的角度来看,由于现在网络边界的模糊,可以把所有来自于数据库之外的访问都定义为外部。如果是这个定义来看,防火墙承载的任务非常繁重,可能不是一个安全设备所能够承担的。第二种定义是数据中心和运维网络可以被定义为内部访问,其他访问定义为外部访问,让防火墙不需要去承载内部运维安全和员工安全,从而更好的工作。
综合看来,我们采用第二种定义,数据库防火墙主要承载数据中心和运维网络之外的数据(库)安全工作。
2. 如何定义数据库防火墙?
一旦准确的定义了什么是外部之后,什么是数据库防火墙就比较清楚了。运维网络之外的访问我们都可以定义为业务访问。
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