Dealing with IO in ASP.NET envirenment

d When your code is excuted by IIS, it executes under the context of ASP.NET Worker Process user account (ASP.NET) , therefore, your application may be restricted by that account's security rights.

d By deafult, the ASP.NET Worker Process does not have rights to write to the local disk.

^ What the ASP.NET Worker Process is allowed to do inside of the IO namespace?