Authentication Cookie

From MgmtWiki
Revision as of 11:08, 17 March 2019 by Tom (talk | contribs) (Problems)

Jump to: navigation, search

Full Title or Meme

An Authentication Cookie is a compact collection of data provided to a User Agent by a Web Site to be retrieved later as proof that an Authentication has be successful with this session on this device.

Context

Cookies were introduced to Web Sites to enable a continuity of

Problems

  • The use of Cookies on various devices and User Agents has be restricted in ever more severe ways. These restrictions have limited the functionality of the Authentication Cookie.
  • In particular Apple introduced a restriction on same-site cookies that caused common implementations of OAuth 2.0 to fail. Brock Allen decode that issue on his site[1] The basic problem is OAuth front channel Authentication is determining which site is the "same site". So, while the authentication works, the redirect to the client code is not considered, by iOS 12) to be a same site operation.

Solution

Reverences

  1. Brock Allen, Same-site cookies, ASP.NET Core, and external authentication providers. (2019-01-11) https://brockallen.com/2019/01/11/same-site-cookies-asp-net-core-and-external-authentication-providers/