Configuration :: Change The Application's Trust Level In File
Sep 27, 2010
I am getting following error message while running ASP.net 2003 application. In login page after providing username and pwd i am getting this error. Error: Server Error " " in Application Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in configuraion file. Exception Details:System.Security.SecurityException: Required registry access is not allowed.
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May 15, 2010
Error Description while browsing the website under IIS "The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file." Initially I deleted the virtual directory, created again, set the permission to anonymous, set the browse and execute permissions, no solution. Then after doing many trials, I found out the basic problem reading the error "not allowed by the security policy". In web configuration file if we set the security policy to Fully Trusted, then problem solved and application working fine. or Set the trust level to the main configuration file in he "C:WINDOWSMicrosoft.NETFrameworkv2.0.50727CONFIGweb.config"
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Aug 19, 2010
How to set Trust level "FULL" in webconfig file.
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Oct 14, 2010
There seems to be an issue with the "Trust" level when executing within a "Cloud" environment. In order for the following app to work it needs a trust level of at least "Medium." This web app is developed using VB.NET 3.5, and Visual Studio 2008. The app works perfectly on my local sever but when deployed/published to the "Cloud" it returns the error: System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. I have added all 4 required values, ConsumerKey, ConsumerSecret, OAuthToken, and OAuthTokenSecret to the web.config file in the "appSettings" section of the "configuration"
[Code]....
If found that by going to [URL] and signing into the account that is using the application, then go to the "Settings" page, go to the bottom of the page and click on the "API" menu option. Once the API page appears you will clik on the button "2", Register An App. On the right side on the new page, you will see a button "View Your Applications." If you have previously registered your app, click this button, If not fill out the appliction for a new app. Now at the View your Applications page, select the app you want to get the authorization keys for where is says "Edit Details". Now click on the button to the right that says, "Application Detail." Here you will find your Consumer Key and your Consumer Secret Key. On the right side of this page you will see the menu option "My Access Token", click it and you will find your oauth_token and your oauth_token_secret keys! Not that you have all the keys, put them in the "appSettings" section of the web.config file. Add "Dim twConn As New TwitterVB2.TwitterAPI" at the top of the page.
I then created a subroutine where I pass in the Tweet:
[Code]....
This code works great in an enviornment that allows at least a "Medium" trust level. However it appears that many of the "new" hosting envrionments such as "Cloud Hosting" and others do not allow this trust level automatically!However if the trust level is less than "Medium" on your host you will likely receive the error message: "Twitter Returned: Request for the permission of type 'System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed." If anyone has found a fix for this "Trust Level"
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Nov 9, 2010
My web application is composed of several Visual Studio projects. It currently runs fine under high trust level (<trust level = "High" />). When I try to run it under medium trust level, I get this error:
Security Exception
Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file.
Exception Details: System.Security.Security
Exception: Request failed.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[SecurityException: Request failed.]
System.RuntimeTypeHandle._GetTypeByName(String name, Boolean throwOnError, Boolean ignoreCase, Boolean reflectionOnly, StackCrawlMark stackMark, Boolean loadTypeFromPartialName) +0
System.RuntimeTypeHandle.GetTypeByName(String name, Boolean throwOnError, Boolean ignoreCase, Boolean reflectionOnly, StackCrawlMark stackMark) +64
System.RuntimeType.PrivateGetType(String typeName, Boolean throwOnError, Boolean ignoreCase, Boolean reflectionOnly, StackCrawlMark stackMark) +58
System.Type.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase) +65
System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase) +342
System.Web.Configuration.ConfigUtil.GetType(String typeName, String propertyName, ConfigurationElement configElement, XmlNode node, Boolean checkAptcaBit, Boolean ignoreCase) +52
Version Information: Microsoft .NET Framework Version:2.0.50727.4952; ASP.NET Version:2.0.50727.4955
What is the best way to identify the problem and convert the application to run properly under medium trust?
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Jan 23, 2011
I found this code:
AspNetHostingPermissionLevel GetCurrentTrustLevel() {
foreach (AspNetHostingPermissionLevel trustLevel in
new AspNetHostingPermissionLevel [] {
AspNetHostingPermissionLevel.Unrestricted,
AspNetHostingPermissionLevel.High,
AspNetHostingPermissionLevel.Medium,
AspNetHostingPermissionLevel.Low,
AspNetHostingPermissionLevel.Minimal
} ) {
try {
new AspNetHostingPermission(trustLevel).Demand();
}
catch (System.Security.SecurityException ) {
continue;
}
return trustLevel;
}
return AspNetHostingPermissionLevel.None;
}
Get current ASP.NET Trust Level programmatically):
but for C#, and would like to have it for VB.NET. Any chance of someone expert in both VB.NET and C# that can translate this to VB code?
I tried myself and got the following VB.NET code but it generates an error inside my VWD:
Private Function GetCurrentTrustLevel() As AspNetHostingPermissionLevel
For Each trustLevel As AspNetHostingPermissionLevel In New _
AspNetHostingPermissionLevel() {AspNetHostingPermissionLevel.Unrestricted, _
AspNetHostingPermissionLevel.High, AspNetHostingPermissionLevel.Medium, _
AspNetHostingPermissionLevel.Low, AspNetHostingPermissionLevel.Minimal}
Try
New AspNetHostingPermission(trustLevel).Demand()
Catch generatedExceptionName As System.Security.SecurityException
Continue Try
End Try
Return trustLevel
Next
Return AspNetHostingPermissionLevel.None
End Function
These parts seems to be wrong:
New AspNetHostingPermission(trustLevel).Demand()
and
Continue Try
Obviously, need to be handled by someone fluent in both C# and VB.NET and can spot the errors in VB.NET
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Dec 29, 2010
My hosting provider just changed the trust level to medium but I cant figureout where to place the configuration on the web.config file! I have spent hours trying to figureout with no luck. here my web.config file
[Code]....
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Aug 25, 2010
<%@ Page Language="VB" MasterPageFile="~/template.admin.master" AspCompat ="true" AutoEventWireup="false" CodeFile="AddNewResumes.aspx.vb" Inherits="AddNewResumes" title="Sarian solutions - Add New Resume" %>
total website with this page runnig in the local system. but when i put in online system it giving error like
Parse Error:The current trust level does not allow use of the 'AspCompat' attribute
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Jan 11, 2011
We had a UAT and Production version of a .NET web application. UAT was taking around 5 seconds to run a particular operation while Prod was taking 35+ seconds.
This even happened when pointing both web applications at the same database and putting them both on the same machine.
The culprit was finally found to be the following entry, which was in the Prod but not UAT web.config
<trust level="High" originUrl="" />
why this would cause such a significant performance degradation??
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Jul 17, 2015
Web hosting provider has set the .net trust level as Medium. so report viewer & crystal reports are not working. it required full trust.so is it possible to execute the reports in medium trust? and how?
ReportDoc.Load(Server.MapPath("~/Reports/Proposal.rpt"));
DataTable dt = cm.DisplayUserInfo("select * from tblProposal_Master where proposal_id='000006'").Tables[0];
ReportDoc.SetDataSource(dt);
CRV.ReportSource = ReportDoc;
CRV.DataBind();
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Nov 10, 2010
I was unable to upload files in a medium trust application and caught security exception.
If I change trust level to full it is working fine, but the hosting environment is set to run only medium trust application.
What are the settings to be done prior to upload files in a medium trust application.
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Sep 4, 2010
what Medium Trust level is ?And what does it mean :
"More and more ASP.NET hosting providers are enforcing a Medium Trust Policy on their servers.Therefore it is important to make your website work (as much as possible) in environments where medium trust is enforced."
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Dec 14, 2010
I am having an issue with caching of a web application while deployment to a webserver. the application require full trust level to be assigned but i am having partial trust level. How can i handle it. I am using Microsoft enterprise lib caching. site is displaying an error if FullTrust used nad for medium code doesn't work.
this is the error message on my website
"The current build operation (build key Build Key[Microsoft.Practices.EnterpriseLibrary.Logging.LogWriter, null]) failed:
Request for the permission of type 'System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. (Strategy type Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ObjectBuilder.ConfiguredObjectStrategy, index 2)"
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Nov 30, 2010
Is it possible to get session cookie name in medium trust level? The code below works in full trust, but throws a security exception in medium trust level.
string sessionCookieName = ((SessionStateSection)WebConfigurationManager.GetSection("system.web/sessionState")).CookieName;
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Aug 24, 2010
I am trying to use SqlCacheDependency in my web site.I got in touch with my hosting compnay and they said that they support cache but they set the trust level to medium and what I try to do needs full trust level whihch they cannot provide for me.
can someone show me a way or a code samples that use SqlCacheDependency with medium level trust?
the broker is enabled in the hosting sql server
this code raise the error that the hosting providers said that they cannot support in medium level:
System.Data.SqlClient.SqlDependency.Start(ConfigurationManager.ConnectionStrings("myConnectionString").ConnectionString)
I have the tables needed in my developer SQL server , but I don't know how or if I can set it in the hosting SQL server db
and this is my code to get the data from cache or from DB that works on my developer station:
If Cache("allitems") Is Nothing Then
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Jul 7, 2010
I download a webchart.dll file and used it in my application. Everything went right on my local machine. But issue came when i uploaded the file on the server. I am getting trust level medium issue. The assesmbly doesnot run on medium trust level. How can i run assembly in medium trust level.
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Apr 11, 2010
My ISP recently has migrated my app to a new platform. The app has now to be parked in a root subfolder, say site1, rather than at the root.
The main page can still be accessed via [URL] is now located at /site1/default.aspx. Subfolder pages however cannot be accessed correctly anymore since the url includes now subfolder name "site1" ie
[URL]
instead of
[URL]
This of course breaks page referencing.
Despite multiple requests, I have not yet obtained an answer so far. Question: Is there a simple way to strip away string "site1" from the url, preferably at the web.config level? I know this can be done programmatically at the page level, to clean up page references (>30 pages). In addition, this could entail further compatibilty problems between the deployment version and the local development site.
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Jan 8, 2010
i wrote all my code on my computer so i had a high trust level, after ftping my site and database to godaddy.com i realized they have a medium level trust enviroment.... i called the tech support and they said they were sorry but they couldnt change it for me... heres my code. any idea how to get it to work in medium level trust? I am trying to create a new directory where all of a users upload goes. The folder is created dynamically when the upload page loads.
string username = User.Identity.Name;
string UpPath;
UpPath = "~\Users\UserUploads\" + username + "\";
if (!Directory.Exists(UpPath))
{
Directory.CreateDirectory("~\Users\UserUploads\" + username + "\");
}
how to get this working in medium level security?
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Sep 2, 2010
I have done project in .NET 1.1. when i am opening that project in vs2005 that through solution explorer and build i am getting error like below.
It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS.
i am configured my local with virtual directory also. i open through local iis it is working fine .but if i run the application then i am getting error above.common thing s i have done are my application has 3 weconfigs in 3 folders and one main config. and i have taken individual authentications and authorisations in main config only. this is not a priblem .actually this problem will occur if we have webconfigs and each have permissions then we will get this right, no problem i seperated.
but why i am getting this error. if i open in vs2008 also i am getting this error,
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Jan 27, 2010
Presently i am working on bulk Sms module in Asp.net.In this i am using a window Api "WinINet"
Cls_StrRptDlrEndUsrBalDtl clsStrRptDlrEndUsrDtl = new Cls_StrRptDlrEndUsrBalDtl();
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Mar 11, 2010
I am using VS 2008, IIS 7, .NET 3.5 on a vista machine. I created a new web-site using "HTTP", thus to use IIS. The application being created by VS 2008 created the virtual directory.
There are only two objects created initially with a new website "Default.aspx" and "web.config" file. I've made no changes and choose to view in browser and receive the following error:
It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS.
I've removed and reinstalled IIS 7. None of the sites previously created work. I've validated that a duplicate webconfig doesn't exist.
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Apr 29, 2010
I want to be able specify to do the following: Specify configuration settings such as appSettings and connectionStrings for multiple web apps in IIS7 No editing Machine.config or the machine-level web.config Web apps are distinct web sites in IIS (not subfolder apps) Is this possible without just duplicating the configs for each app?
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Jan 31, 2011
I have to handle error related to web application. I am not sure how its works. I am thinking that I will add an error page (error.aspx) and in global.asax ,application_onError, I will redirecting the user to error page and that should be enough ! i mean it will handle error automatically.
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Apr 5, 2010
When debugging my application, I m getting an application level error in global.asax file. The Server.GetLastError() reads "File does not exist." but thats it. No more details on the filename or the location where the code is trying to find a file. I commented out the application_error method, with a hope that the exception would be thrown when the debug the application, but no errors were thrown. How do i find the source of the error, cos I want to resolve this issue by either putting the file that the application is looking for or by completely removing the code that is referencing the file.
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Mar 5, 2010
I've developed a dot net website that runs fine on my localhost. When I upload it to my ISP on a shared hosted site, I receive the following: "Required permissions cannot be acquired." I've been informed that I need to change my website to medium trust. Can someone get me started in the right direction on how this is done? When I add <trust level="Medium" originUrl="" /> to the web.config it won't BUILD on my local host and when I add it to the web.config on the shared site, it gives me"This configuration section cannot be used at this path. This happens when the site administrator has locked access to this section using <location allowOverride="false"> from an inherited configuration file."
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