Owin Change Cookie name

To change the default cookie name generated by Owin add cookiename using the following steps

1) Go to App_Start/Startup.Auth.cs

2) Add CookieName="yourCookieName"

3) Add an expiration date if you want

// For more information on configuring authentication, please visit 

        public void ConfigureAuth(IAppBuilder app)

        {

            // Configure the db context, user manager and signin manager to use a single instance per request

            app.CreatePerOwinContext(ApplicationDbContext.Create);

            app.CreatePerOwinContext<ApplicationUserManager>(ApplicationUserManager.Create);

            app.CreatePerOwinContext<ApplicationSignInManager>(ApplicationSignInManager.Create);

            // Enable the application to use a cookie to store information for the signed in user

            // and to use a cookie to temporarily store information about a user logging in with a third party login provider

            // Configure the sign in cookie

            app.UseCookieAuthentication(new CookieAuthenticationOptions

            {

                AuthenticationType = DefaultAuthenticationTypes.ApplicationCookie,

                LoginPath = new PathString("/Account/Login"),

                Provider = new CookieAuthenticationProvider

                {

                    OnValidateIdentity = SecurityStampValidator.OnValidateIdentity<ApplicationUserManager, ApplicationUser>(

                        validateInterval: TimeSpan.FromMinutes(30),

                        regenerateIdentity: (manager, user) => user.GenerateUserIdentityAsync(manager))

                },

                CookieName="MyCookieName",

                ExpireTimeSpan= System.TimeSpan.FromHours(24)

            });