Page History: Changing Cookie Names - ASP.NET Security

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Page Revision: Thu, Apr 17, 2014, 10:59 AM

Overview¶

ASP.NET security can use cookies. One part of securing your ASP.NET site is to change the names of these cookies so as to obscure the technology underlying your website. This article explains how.

Procedure¶

Forms Authentication (Legacy)¶

Change or add the following setting in your web.config file: //configuration/system.web/authentication/forms/@name

  
    
      
. . .

Forms Authentication¶

Change or add the following setting in your web.config file: //configuration/system.web/sessionState/@cookieName

  
    
. . .

ASP.NET Identity¶

Add a line to within Startup.Auth.cs

public partial class Startup
{
	public void ConfigureAuth(IAppBuilder app)
	{
		app.UseCookieAuthentication(new CookieAuthenticationOptions
		{
			AuthenticationType = DefaultAuthenticationTypes.ApplicationCookie,
			LoginPath = new PathString("/Account/Login"),

			/* Add the following line */
			CookieName = "tokenB" 

		});

		. . .
	}
}