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AnonymousIdentificationSection.CookieProtection Property

Gets or sets the encryption type used to encrypt the cookie.

Namespace:  System.Web.Configuration
Assembly:  System.Web (in System.Web.dll)

[ConfigurationPropertyAttribute("cookieProtection", DefaultValue = CookieProtection.Validation)]
public CookieProtection CookieProtection { get; set; }

Property Value

Type: System.Web.Security.CookieProtection
One of the CookieProtection values. The default value is All.

To improve the protection of your cookie, you may want also set the CookieRequireSSL property to true.

Be sure to use the default value for this property if you want both data validation and encryption to help protect the cookie. This option uses the configured data-validation algorithm, based on the <machineKey> element. Triple-DES (3DES) is used for encryption, if available and if the key is long enough (48 bytes or more).

The following code example shows how to access the CookieProtection property.

// Get CookieProtection.
System.Web.Security.CookieProtection cookieProtection =
Console.WriteLine("Cookie protection: {0}",

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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