Security :: "Request For The Permission Of Type 'System.Security.Permissions.FileIOPermission" Error?
Feb 22, 2011
Here is my code
"fileUpload" is the FileUpload ASP.NET control. The SaveAs method writes the user uploaded file to a specified location on the server. IT WORKS. That tells me that the ASP.NET process has the proper write permission to write to the file.The next line uses an assembly called PdfSharp which you can use to open PDF files and manipulate them. In this case, the line simply opens up the user uploaded file. That is where the error occurs. WTH?
It works on my production machine. It does not work on my local machine. It USED TO. It was never a problem before.So why would it be fine to WRITE to the server, but trying to open a file give an error? Makes no sense. Googling yields a suggestion to put <trust level="Full" originUrl="" /> under <system.web> in web.config. It does not work.
in my web project i got an error that i couldnt find any solution. the error says: System.Security.SecurityException: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=188.8.131.52, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. when i work in local there were no problem i put files to our server and i changed the database also. when i work in server in web application in Default.aspx i can connect db and get values without any problem using my DataLibrary
BUT the problem in my web service i also use my DataLibrary in webservice but when i try to run a method in web service it gives me the error which is : System.Security.SecurityException: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=184.108.40.206, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
I have a web site that is using windows authentication. 'Enable anonymous access' is unchecked. It works when I call it through Visual Studio but when I put the site on the server I get the following error:
Unable to cast object of type 'System.Security.Principal.GenericPrincipal' to type 'System.Web.Security.RolePrincipal'.
I am trying to implement the Ajax HtmlEditor into my application. I currently am using a regular TextBox to load and save some data to some EMail template files and had to do some work-arounds to get it to accept the HTML Input. I am trying to upgrade it to use the Editor, but as soon as I insert the Editor and do a PostBack, I receive the Security Exception below. There is absolutely no change to the code-behind, so I don't understand the issue. There is so little on Google for the Version 3.5 Editor that I'm stumped. I have Debugging enabled, but it won't give me the Soruce Error either.
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.SecurityException: Request failed. Source Error:
currently, I am working on the project where I have to configure Application on IIS7 with network drive and doing this I am getting the error regarding security. Let me explain in detail. We have two production server, both having Windows 2008. now one server acting as the storage server and other server will work as web server which having the IIS (here IIS7). Now, I have to deploy the application on the storage server and in web server I have to configure the application in IIS with the path of network drive (here network drive means path of the folder at storage server). At here I had provide the full path like \ servernamedrivename$foldername, and also provide the credential at "connect at" button.Now when I open the page it will display the page but with the following error.
Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=220.127.116.11, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. Now new question that Credential is proper or not? Here my both production server having the user : username1 and password: Password1 but the domain is different. So, what I do that enter only the username1 in user name and password1 in password box.
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=18.104.22.168, 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"
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:
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=22.214.171.124, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed." If anyone has found a fix for this "Trust Level"
I have asp.net application, using LINQ to connecto to SQL Server 2008 R2 databse. My connection string: Data Source=[SqlServerIp];Initial Catalog=[databaseName]User Id=newLogin;Password=newPassword; When I deploy application on my local IIS (which is not the same machine as database server)
it works fine, but when I deploy application on other IIS (the same machine as sqlServer) it throws an exception: System.Security.SecurityException: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=126.96.36.199, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. how to fix it? Maybe it is due to some bad configuration of IIS?
It's a ?/$%/$%"!$ mess ... My webpage contains a winform user control. That user control send text to LPT1.It acts like an ActiveX. I set my website (on localmachine) as a trust one in IE and set all properties for ActiveX under security tab. The user control is showed under IE but I got a System.Security.Permissions.SecurityPermission when execute it.When I sign my control, IE can't display it ! I registered the dll in the .Net Framework Configuration tool
I am having trouble running a commercial ASP.NET application on a client machine. On most client machines this runs as intended, but for one machine I am getting a security exception as follows: Server Error in '/ElasSelfService' Application. Required permissions cannot be acquired. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Security.Policy.PolicyException: Required permissions cannot be acquired. 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:
The website has a separate application pool defined for it running under the Network Service account. I have checked the settings for the virtual directory for the application but nothing seems wrong. I have tried defining the trust level in web.config to full trust but this does not fix the issue. I have looked into defining the trust level for the application through the machine.config file but I am unsure of how to proceed with this.
I wrote an asp.net application that I'm trying to run on a godaddy domain I bought. I need to read a file in a folder that I did not give read access to so that your average user cannot see in the informaion in that folder. I assumed that the asp.net program would have the same credentials as myself because server-side code. Turns out I am wrong. When I go to use the asp.net application it throws an access denied error saying that the ASP.NET user account has to be given permissions to access the folder.
After talking to two different tech support people at godaddy I've come to the realization that they are either dumb or lazy (or a combo of the two).I came across some code that you can put into the web.config file that would allow the asp.net application to impersonate a user, which would work great to use myself as the impersonated user. However it seems that godaddy cannot give me the name of the server that my domain is on (that's understandable) so I don't know what to put in the identity tag to get this to work.
Here is the code I found:
(of course I filled in the username and password with the correct info)
When I went to use it again it threw this error:
System.Web.HttpException: The current identity (PHX3username) does not have write access to 'C:WindowsMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Files'.
"System.Security.SecurityException: Request for the permission of type 'System.Web.AspNetHostingPermission, System, Version=188.8.131.52, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed."
When trying to access my simply aspx form on our local network. It works fine when debugging using Microsoft Visual studio 2008 however, when I deploy the aspx form on IIS 7.0 I get the error above. The form was working fine until I added a ajax calendar extender. I've also reviewed other posts relating to this one, such as changing<trust level="Full"> with no avail. I have listed a portion of my web.config file below.
I have implemented rights based security as I describe here: http://forums.asp.net/p/1380280/2916291.aspxThis has been working well for awhile now, but I am moving the site to IIS 7 and encountering problems. I am able to reach the login screen for my app - but upon login get this error: "Unable to cast object of type 'System.Web.Security.RolePrincipal' to type 'RightsLib.RightPrincipal'."As described in the linked post, I have a "RightsLib.dll" that contains the relevant classes like "RightsHttpModule.cs", "RightPrincipal.cs" etc...My app no longer seems to be able to work with RightsLib.dll. RightsLib.dll resides in the bin directory of my app, and I have a reference to it in my project.me what I'm doing wrong, or what has changed to affect this in IIS 7?The only relevant entry in Web.config I'm aware of.
I am running Windows Server 2008, ASP.NET 3.5, IIS7 i wonder if it's IIS7 problem, or .NET Framework or even security updates problem suddenly all websites do not work, and from event viewer there're two errors
Message: Could not load type 'System.Security.Authentication.ExtendedProtection.ChannelBinding' from assembly 'System, Version=184.108.40.206, Culture=neutral, PublicKeyToken=b77a5c561934e089'.
StackTrace: at System.Web.Hosting.IIS7WorkerRequest.Dispose()
at System.Web.Hosting.PipelineRuntime.DisposeHandlerPrivate(HttpContext context) at System.Web.HttpRuntime.FinishRequestNotification(IIS7WorkerRequest wr, HttpContext context, RequestNotificationStatus& status) at System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) at System.Web.Hosting.PipelineRuntime.ProcessRequestNotificationHelper(IntPtr managedHttpContext, IntPtr nativeRequestContext, IntPtr moduleData, Int32 flags) at System.Web.Hosting.PipelineRuntime.ProcessRequestNotification(IntPtr managedHttpContext, IntPtr nativeRequestContext, IntPtr moduleData, Int32 flags) Faulting application w3wp.exe, version 7.0.6002.18005, time stamp 0x49e023cf, faulting module kernel32.dll, version 6.0.6002.18005, time stamp 0x49e037dd
I am writing an internal web app for a company who wont to use their existing Active Directory Logins (rather than a seperate SQL Database User Login Table).
To do this I have done the following
web.config <authentication mode="Windows"> <identity impersonate="true"/> <authorization> <deny users="?"/> <!-- Allow Public Users to Access --> <allow users="*"/> </authorization> <roleManager enabled="true" defaultProvider="AspNetWindowsTokenRoleProvider"/> End
This seems to work on my localhost but I have a couple of questions for you guys.
1) How does this process know which active directory to authenticate against? I know in code you can do
LdapAuthentication adAuth = new LdapAuthentication("LDAP://Server");
But there seems to be no way to do this in the web.config (I'm guessing it will just use the active directory on current machine it's running on?). Is there away to specify which active directory I'd like it to authenticate against?
2) If a user tries to access this remotely (i.e. not on their native windows account) what will happen, will it just default to a login form or just throw a "Permission Denied" error?
I am doing some testing and want to find out best practice for creating a new user to assign to an appPool. I know that the default ASPNET account, on IIS 6.0, is very low permissions. For experienced folks, what are the bare permissions required to grant this new user? Yes, I am aware that various NTFS rights are required for different operations, such as reading outside of the application path, writing to the NTFS share, etc. I am just looking at a base install.
Dino Esposito wrote in Chapter 15 of Programming Microsoft ASP.NET 2.0 - Core Reference that the following directories would need the respective permissions:
.NET framework root - read/list Temporary ASP.NET folders - full GAC - read Windows System32 - access/read App root - access/read Web site root - scanWhat else would I need to set up beyond this base configuration as far as rights are concerned? If anyone does this regularly, do you have a script to do this automatically?
I am connecting to remote server for web service using ASP.NET 3.5 web site. something like, [URL]. Remote server is providing digest authentication to access the web service. I dont have access to modify authentication on the remote server but I have an windows account on that server. If I try to Access service WSDL through programming I get the following error:
The request failed with HTTP status 401: Unauthorized. Same web service if I try to access through browser, [URL], it asks for user name and password. Entered windows account user name and password, still getting error: You are not authorized to view this page, HTTP Error 401.1 - Unauthorized. How to pass the digest authentication credentials to the web service through visual studio or any other programmatic method?