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PORedirecting from Global.asax in Medium Trust
 

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  1. PORedirecting from Global.asax in Medium Trust
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    <p>I am attempting to do a redirect in the Application_Error handler in Global.asax. Nothing fancy at all.</p> <pre><code>private void Application_Error(object sender, EventArgs e) { // ...snip... Server.Transfer(somePath, false); // ...snip... } </code></pre> <p>This works great under Full trust, but I need to get it to work under Medium trust. The code I'm working on here needs to function properly in a shared hosting environment (Unfortunately, I have no control over this requirement).</p> <p>However, when I configure the site as follows in our dev environment (XP Pro / IIS 5.1) for testing purposes:</p> <pre><code>&lt;system.web&gt; &lt;trust level="Medium"/&gt; &lt;/system.web&gt; </code></pre> <p>It fails with the following error:</p> <pre> Request for the permission of type 'System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.** at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) at System.Security.CodeAccessPermission.Demand() at System.Web.HttpWorkerRequest.SendResponseFromMemory(IntPtr data, Int32 length) at System.Web.HttpWorkerRequest.SendResponseFromMemory(IntPtr data, Int32 length, Boolean isBufferFromUnmanagedPool) at System.Web.HttpResponseUnmanagedBufferElement. System.Web.IHttpResponseElement.Send(HttpWorkerRequest wr) at System.Web.HttpWriter.Send(HttpWorkerRequest wr) at System.Web.HttpResponse.Flush(Boolean finalFlush) at System.Web.HttpResponse.Flush() at System.Web.HttpResponse.End() at System.Web.HttpServerUtility.Transfer(String path, Boolean preserveForm) </pre> <p>A couple of other things of note:</p> <ul> <li>This happens whether from Global.asax or from an HttpModule.</li> <li>This also happens with Response.Redirect(somePath).</li> </ul> <p>Appreciate any insight you can provide. I have Googled my a$$ off over this, and no joy.</p> <p>Thanks!</p>
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