【摘要】 图文验证码是一种最流行的防止网站被恶意攻击的网络安全技术。利用图文验证码可以有效阻止通过恶意软件自动登录的行为,也能用于论坛防止大规模匿名回帖的发生,减轻爆破性攻击,避免网站数据库崩溃。重点对如何使用ASP.NET实现图片验证码的过程进行了详细阐述,为在asp.net web项目实现图文验证提供了一个编程框架。更多还原

【Abstract】 Graphic character verification code is one of the most popular network security technologies preventing a website by malicious attack.Use of the graphic character code can be effectively prevented by malicious software to automatically login behavior,can also be used to prevent the occurrence of large-scale forum anonymous postings,reduce blast attack,and avoid web database crash.In this paper,it is elaborated the process of how to implement graphic character verification code with asp.net,and provides a programming framework for the implementation of graphic verification in the asp.net web project.更多还原