如果您需要auhtenticate翻过不同的域

If you need to auhtenticate accross different domains:

您可以实现自己的安全令牌服务（如Facebook，谷歌确实）下面是一些准备使用的实施：的 http://thinktecture.github.io/Thinktecture.IdentityServer.v2/

You can implement your own security token service (like facebook, google does) Here is some ready to use implementation: http://thinktecture.github.io/Thinktecture.IdentityServer.v2/

如果该站点上的相同的域（子）运行，然后你可以尝试这些领域内共享验证cookie。

If the sites are running on the same domain (subdomain), then you can try to share an authentication cookie within these domains.

这是解释文章：http://www.$c$cproject.com/Articles/106439/Single-Sign-On-SSO-for-cross-domain-ASP-NET-applic