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Encrypt Telerik WebResource Querystring

You can choose to encrypt the querystring parameters that the Telerik WebResource request has in order to make them unreadable for a third party inspecting the network traffic as of Q3 2015.

This feature affects RadScriptManager and RadStyleSheetManager, and the Telerik.Web.UI.WebResoruce.axd handler.

Example 1: Enable Telerik WebResource querystring encryption.

<appSettings>
    <add key="Telerik.ScriptManager.EnableHandlerEncryption" value="true"/>
</appSettings>

You must also ensure that the encrypted URL will not be trimmed which will break the request.

Example 2: Increasing the maximum querystring length and URL length for an application:

. . . .
<httpRuntime maxRequestLength="204800" executionTimeout="36000" maxQueryStringLength="4096"/>
. . . .
<security>
    <requestFiltering>
        <requestLimits maxAllowedContentLength="209715200" maxQueryString="4096" maxUrl="4096" />
    </requestFiltering>
</security>

See Also