Improving Web Application Security: Threats and - CGISecurity

How To: Use Code Access Security Policy to Constrain an Assembly 8312. Rebuild the solution.3. Run Iisreset.exe from a command line to force the ASP.NET process to be recycled.This forces the permission grant for the FileIO assembly to be recomputed. If theASP.NET application domain is still active from the last time you ran the Webapplication, the assembly could still be cached by ASP.NET.4. Run the Web application, and then click Read File.The contents of the text file should be successfully displayed. The policy that youcreated allows the FileIO assembly to read files from C:\Temp and below.5. Enter C:\somefile.txt in the text box, and then click Read File.A SecurityException should be generated because the code access security policythat you configured does not allow file I/O outside of the C:\Temp directory.The exception details indicate that a request for the FileIOPermission has failed, asshown below:System.Security.SecurityException: Request for the permission of typeSystem.Security.Permissions.FileIOPermission, mscorlib, Version=1.0.5000.0,Culture=neutral, PublicKeyToken=b77a5c561934e089 failed.