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Bad Request Error In Asp.net

With routing, this is a bug. To reproduce this error, I had created the MaxFieldLength registry key and given it a value of 2. All rights reserved. It is possible that HTTP.sys can be configured to allow the request (although doing so may lower the security level of your IIS server), so check KB820129 to verify. have a peek here

The folder name and path are all correct. Limit involving exponentials and arctangent without L'Hôpital Meaning of Guns and ghee How to make different social classes look quite different? Summary When troubleshooting HTTP 400 conditions, first remember that the client has sent a request to IIS that breaks one or more rules that HTTP.sys is enforcing. Security is an important feature for any application.

Particularly in MVC, URLs have no relation to actual files. venkatx5 - Thursday, October 21, 2010 12:14:19 PM This is a great article on why we run into this problem. Fourth, yes its really annoying! It could also happen if an entity between the client and the server, such as a proxy server or other network device, intercepts a response from IIS and overrides it with

  • Before proceeding with troubleshooting, double-check to see whether you have entered the correct URL.
  • Why?
  • Developers can then expand or reduce the set of invalid characters as appropriate for their application's needs.
  • My girlfriend has mentioned disowning her 14 y/o transgender daughter Force Microsoft Word to NEVER auto-capitalize the name of my company How does Gandalf get informed of Bilbo's 111st birthday party?
  • Do you know if it's possible to alter the registry settings of Http.sys on Windows Azure?
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Note also that previous restriction of http.sys is applied on individual path and maxRequestPathLength is applied on the complete path (the portion of the URL that does not include protocol, server The final stage of troubleshooting this example is to use the following article to see the HTTP.sys registry keys and default settings for IIS: Http.sys registry settings for IIS http://support.microsoft.com/kb/820129/en-us You can download Ccleaner from the following URL: http://www.piriform.com/ccleaner. The reason is that %25 is the % character which is invalid URL path character in ASP.NET.

How to Use Ccleaner to Fix Registry Errors After installing Ccleaner, open it and navigate to your registry area and select ‘Scan for Issues’. When a client such as a web browser requests a http resource, it goes through the following process: The client receives the IP address for the respective domain as you request, The Woz Monitor How does Gandalf get informed of Bilbo's 111st birthday party? Hot Network Questions Train ride from Copenhagen to Malmo How do "que" and "qué" work as “what” in Spanish?

Embed Embed this gist in your website. asp.net webforms asp.net-4.0 share|improve this question asked Aug 23 '11 at 19:23 ProfK 12.4k63251493 add a comment| 3 Answers 3 active oldest votes up vote 1 down vote accepted So from A HTTP 400 Bad Request can also occur when the client terminates request headers improperly. The reason for these restrictions are due to security, for example with the help of % you can double encode the URL path portion and : is used to get some

more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science Follow any comments here with the RSS feed for this post. ← But don’t worry, WebForms is not going away… Latest Docu builds available → benb to me this is a I am base 64 encoding some of the parameters. Sign up for free to join this conversation on GitHub.

I'm merely providing info on 2 different ways to deal with it (by changing the framework behavior, or working around it). http://gatoisland.com/bad-request/bad-request-error-404.php Video displays in Star Wars Why write an entire bash script in functions? If you're testing from localhost, you won't see this. Header Line Too Long The requests and responses which run between the client and web server include header lines that denote the nature of the data being sent.  There is no

The problem is, when one is trying to make a RESTful service (as an example), ALL valid characters as defined by the standard should be acceptable. Then HTTP data stream is sent as a request through that socket by the client.  This request is obtained by the web server, which sends a relevant reply as a HTTP What could cause the throttle to stick in my Ford Ranger? Check This Out Summary: Hopefully this will helps you to know how some of initial security features comes in to play, but i also recommend that you should read (at least first chapter called

http://support.microsoft.com/kb/932552 in it found in IIS,then.... Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the Add the following setting in Web.config inside : For production deployment, take into account the security considerations mentioned in other answers.

Microsoft has since released a service pack for the .NET Framework 1.1 which corrects these issues.

What I found is, basically any character that is not valid for a Windows file name causes this issue. Join them; it only takes a minute: Sign up How do I return an HTTP 400 - Bad Request error from a web form request? Proceed at your own risk My first instinct was to suspect URLScan, or the IIS 7.0 equivalent. This means that if you have long paths containing 261 characters then you will get the Bad Request exception.

asked 4 years ago viewed 3388 times active 2 years ago Related 40How to remove IIS/ASP.NET Response Headers0Responses from IIS have http header information inserted “randomly” in the middle0How to get Were slings used for throwing hand grenades? Sign in to comment Contact GitHub API Training Shop Blog About © 2016 GitHub, Inc. this contact form These characters are invalid because these are invalid URL characters as defined in RFC 2396 of the IETF.

All rights reserved. stackoverflow.com/a/11505401/991267 –Der_Meister Feb 24 '15 at 11:54 add a comment| up vote 0 down vote Change the HttpResponse.Status property. Is the empty set homeomorphic to itself? Then, gather a network trace of the request/response, to see the raw data the client is sending to the server, and the error data the server sends back to the client.

But I'm still confused as to why this Url would not be accepted. Any MSFT IIS/ ASP.Net folks who can shed some light on if this limitation is present in the code base? –mat3 Jun 4 '09 at 3:47 Spencer, Thanks for Fortunately ASP.net MVC automatically maps both /api/persons/xxxx and /api/persons?id=xxxx equally in the default mapping, so that is what I ended up doing. It suddenly started to make sense why there was not a whole lot of information on this error, and why the little information that was available seemed to be related to

Try deploying to IIS and see if it works. Files or folders cannot be empty strings nor they contain only '.' or have any of the following characters..... Embed Share Copy sharable URL for this gist. Is 8:00 AM an unreasonable time to meet with my graduate students and post-doc?

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