Asp.net WEB API：当URL以<结尾时，如何处理400错误的请求错误 [英] Asp.net WEB API : how to handle 400 bad request error when URL ends with <

问题描述

我正在尝试处理我的自定义错误页面的所有HTTP错误，但我发现当有一个<在url的末尾。

示例：http：// localhost /<

响应是：错误请求 - 无效URL HTTP错误400.请求URL无效。



我想返回特定的错误消息这个场景。

任何人都可以告诉我们如何解决这个问题。



提前感谢你们所有人



我尝试了什么：



我试图在google中搜索无法为此找到正确的解决方案

I am trying to handle all HTTP errors to my custom error pages, but I find that when there is a < at the end of url.
Example: http://localhost/<
Response is: Bad Request - Invalid URL HTTP Error 400. The request URL is invalid.

I want to return specific error message in this scenario.
Can anyone tell how to fix this.

Thanking You all in advance

What I have tried:

I tried to search in google not able to find the correct solution for this

推荐答案

可能是因为没有解决方案。在请求到达IIS之前，这些请求在内核级别被阻止：

正确处理IIS请求的百分比登录网址（/％） [ ^ ]

IIS如何阻止URL中的字符 [ ^ ]

使用IIS URL中的'％''和'：'等特殊字符 [ ^ ]



您可能能够通过更改注册表将请求传递到IIS，但这会使您的服务器更容易受到攻击：

Wackiness中的实验：允许ASP.NET / IIS请求URL中的百分比，尖括号和其他顽皮的东西 - Scott Hanselman [ ^ ]

Probably because there isn't a solution. Those requests are blocked at the kernel level, before the request even reaches IIS:
Properly handle IIS request with percent sign in url (/%)[^]
How IIS blocks characters in URLs[^]
Use of special characters like '%' '.' and ':' in an IIS URL[^]

You might be able to get the request through to IIS by changing the registry, but this will leave your server more vulnerable to attack:
Experiments in Wackiness: Allowing percents, angle-brackets, and other naughty things in the ASP.NET/IIS Request URL - Scott Hanselman[^]

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