mysqlg高级SQL注入的相关内容

文章 2023-07-09 来自：开发者社区

MYSQLg高级-----SQL注入的理解（初级篇）以及如何防止注入（二）

3.0如何防止SQL注入3.1理论（注入防范）SQL注入攻击的危害很大，而且防火墙很难对攻击行为进行拦截，主要的SQL注入攻击防范方法，具体有以下几个方面。1、分级管理对用户进行分级管理，严格控制用户的权限，对于普通用户，禁止给予数据库建立、删除、修改等相关权限，只有系统管理员才具有增、删、改、查的权限。例如上述实例中用户在查询语句中加入了drop table。肯定是不能让其执行的，否则系统的数....

文章 2023-07-09 来自：开发者社区

MYSQLg高级-----SQL注入的理解（初级篇）以及如何防止注入（一）

1.SQL 注入概念1.1 SQL注入是什么？SQL 存在漏掉，会被攻击导致数据泄漏；SQL注入即是指web应用程序对用户输入数据的合法性没有判断或过滤不严，攻击者可以在web应用程序中事先定义好的查询语句的结尾上添加额外的SQL语句，在管理员不知情的情况下实现非法操作，以此来实现欺骗数据库服务器执行非授权的任意查询，从而进一步得到相应的数据信息1.2 SQL注入定义SQL是操作数据库数据的结构....

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更新时间 2023-07-10 10:22:08

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