Netcookies.zip ✰ <SAFE>

This report summarizes the technical specifications and implementation details for handling cookies within .NET environments, specifically focusing on the 2019 draft standard for attributes and persistent cookie management. 1. SameSite Attribute Implementation

The 2019 IETF draft standard for cookies is natively supported in .NET to mitigate Cross-Site Request Forgery (CSRF). Developers can control this through the HttpCookie.SameSite property. netcookies.zip

: Created by setting the Expires property. Without an expiration date, cookies reside only in the browser's memory and are lost when the browser closes. Developers can control this through the HttpCookie

: Cookies are sent on top-level cross-site navigations and first-party requests. : Cookies are sent on top-level cross-site navigations

: In modern updates, Session State and Forms Authentication cookies default to SameSite=Lax . Property Values : Strict : Cookies are only sent in a first-party context.

: Cookies are sent in all contexts but must be marked as Secure .

: To delete a cookie, its expiration date must be set to a past date (e.g., DateTime.Now.AddDays(-1) ) and then added back to the Response.Cookies collection.