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网站建设的安全性

时间:

  网站程序的安全是系统开发人员必须考虑的重要因素之一,因为这涉及到网站的建设者、网站用户的诸多安全问题,如果不处理好,可能会给系统的使用者和管理者带来严重问题。同时Web应用程序的安全解决方案不仅是技术问题,还涉及到管理等多个方面。


  技术开发人员都可能使用过其中一种或者都使用过,但是有时我们在开发的过程中并没有特意的引起重视,在每一个细节的处理时未注意网站的安全性,结果可能导致一些安全漏洞。希望通过此文使开发人员能够更加注重系统安全性,尤其测试人员能够通过监督去保证系统的安全性,提高产品质量。


  防止SQL注入技术


  为什么必须防止SQL注入?相当大一部分程序员在编写代码的时候,没有对用户输入数据的合法性进行判断,使应用程序存在安全隐患。新手最容易忽略的问题就是SQL注入漏洞的问题。用NBSI2.0对网上的网站扫描,就能发现部分网站存在SQL注入漏洞,用户可以提交一段数据库查询代码,根据程序返回的结果,获得某些他想得知的数据。


  怎样防止SQL注入?


  比如URL、表单等提交信息时,通过一段防止SQL注入的过滤代码即可防止出错信息暴露,或者通过转向,当系统出错时转到一个提示出错的页面等。同时服务器权限设置是一个非常重要的方面,由于涉及到服务器的配置比较多,本文不介绍。


  对于文本型输入,如果要进行检查,就得根据字段本身的性质进行。例如如果是年龄,就得限定必须是数字,大小必须限定在一个范围之间,比如说18-120之间。对于用户名,应该建立一个集合,这个集电子商务资料库$"9.#+.+4&;7,9合里存放有被允许的字符,或被禁止的字符。这里特别需要说明的一点是关于检查程序的问题。目前,程序对输入数据的检查是在前台通过客户端脚本完成的,这样攻击者很容易就可以绕过检查程序。建议采用前后台结合的方法,既可以保证效率,又可以提高安全性。

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基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2025-09-27 14:12:03 HTTP/2.0 GET : https://m.gzwzjs51.com/news/1699
  2. 运行时间 : 0.264176s [ 吞吐率:3.79req/s ] 内存消耗:4,231.26kb 文件加载:138
  3. 缓存信息 : 0 reads,0 writes
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  1. CONNECT:[ UseTime:0.035001s ] mysql:host=47.107.117.224;port=3306;dbname=gzwzjs51_com;charset=utf8
  2. SHOW FULL COLUMNS FROM `news_lm` [ RunTime:0.024295s ]
  3. SELECT * FROM `news_lm` WHERE `pass` = 1 ORDER BY `px` DESC,`id_lm` DESC [ RunTime:0.023643s ]
  4. SHOW FULL COLUMNS FROM `news_co` [ RunTime:0.024666s ]
  5. SELECT * FROM `news_co` WHERE `id` = 1699 LIMIT 1 [ RunTime:0.024015s ]
0.265053s