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ASP.NET Session State, Cookies and Subdomains

/ Published in: C#
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  1. protected  void Application_PreRequestHandlerExecute(Object sender, EventArgs e)
  2.  
  3.     {
  4.  
  5.       /// only apply session cookie persistence to requests requiring session information
  6.  
  7.  
  8.  
  9.       #region session cookie
  10.  
  11.       if (Context.Handler is IRequiresSessionState || Context.Handler is IReadOnlySessionState )
  12.  
  13.       {
  14.  
  15.         /// Ensure ASP.NET Session Cookies are accessible throughout the subdomains.
  16.  
  17.  
  18.  
  19.         if (Request.Cookies["ASP.NET_SessionId"] != null && Session != null && Session.SessionID != null)
  20.  
  21.         {
  22.  
  23.           Response.Cookies["ASP.NET_SessionId"].Value = Session.SessionID;
  24.  
  25.           Response.Cookies["ASP.NET_SessionId"].Domain = ".know24.net"; // the full stop prefix denotes all sub domains
  26.  
  27.           Response.Cookies["ASP.NET_SessionId"].Path = "/"; //default session cookie path root         
  28.  
  29.         }
  30.  
  31.       }
  32.  
  33.       #endregion    
  34.  
  35.     }

URL: http://www.know24.net/blog/ASPNET+Session+State+Cookies+And+Subdomains.aspx

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