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关于Access denied的说明及解决办法

Posted by Dzx at 2009-01-24 03:20:21
如果一个用户的ip在最近一段时间内多次由于密码错误登录失败,那么系统就会把这个用户封掉,submit或者mail就会提示access denied

这本是一个安全措施,但是没想到poj开通所谓的"公网加速"之后对却正常用户造成了不便

当公网用户通过acm.pku.edu.cn访问时会先连到北大计算中心的服务器上,然后再转发给poj。这就造成大量用户集中在一些ip(例如202.112.41.234)上,导致一些正常的密码错误累积起来超出系统的允许范围...

解决方法就是直接通过162.105.81.212访问poj,代价是访问速度可能会变慢...

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