404 pages not working on long querystrings - Using Umbraco And Getting Started

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anthony hall 222 posts 536 karma points

Jun 08, 2017 @ 09:34
0

404 pages not working on long querystrings

Using Umbraco And Getting Started

Umbraco 7
I have set the id in umbracosettings to my "page not found" node.

So the following correct returns page not found
```
www.mysite.local/somepagethatdoesnotexists
```
However... if i enter an insanely long querystring the famous "This page is intentionally left ugly ;-)" is returned.
```
www.mysite.local/search/?keyword=lorem ipsum lorem ipsum lorem ipsum lorem ipsum lorem ipsum lorem ipsum lorem ipsum
```
I have the following in my web.config.
```
<customErrors defaultRedirect="~/errorpage.aspx?" mode="Off" redirectMode="ResponseRewrite">
  <error redirect="/errorpage.aspx" statusCode="500" />
</customErrors>
```
and
```
 <httpErrors existingResponse="PassThrough" />
```
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Manish 373 posts 932 karma points

Jun 08, 2017 @ 10:09

1

Well it is good to use _404iLastChanceFinder

Here is link to set up

Link 1

and Link 2

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anthony hall 222 posts 536 karma points

Jun 13, 2017 @ 08:23

0

Thanks Manish, Interesting approach ( using IContentFinder ). However when I have really long querystring the handler is not evoked. It goes straight to "This page is intentionally left ugly".

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Michael Latouche 504 posts 819 karma points MVP 3x c-trib

Jun 13, 2017 @ 11:47
1
Hi Anthony,

This might indicate that somehow, very long query strings are actually blocked at IIS level without even entering your application. Could it be that somewhere in your web.config (or at machine.config for that matter) you have a maximum allowed request length specified that is lower than your "very long query string" length?

In your web.config it would look like something like this:
```
<configuration>
    <system.web>
        <httpRuntime maxRequestLength="1048576" />
    </system.web>
</configuration>
```
Hope this helps...

Cheers,

Michael.
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anthony hall 222 posts 536 karma points

Jun 13, 2017 @ 13:16

0

Thanks Michael, increasing this value enables the 404 page i specified in my umbraco.settings.

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Michael Latouche 504 posts 819 karma points MVP 3x c-trib

Jun 13, 2017 @ 23:15

0

Great!

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