如何保持整个ASP.NET中的多个Web应用程序相同的会话ID [英] How to maintain the same session id across multiple web applications in ASP.NET

问题描述

我有不同的虚拟目录在IIS上两个相同的应用程序设置（我做了一些解决办法，以确保它们都具有相同的应用程序名称）。是否有跨两个asp.net web应用程序共享会话ID的方法吗？

I have two identical applications setup on IIS on different virtual directories (I have done some workaround to ensure that they both have the same application name). Is there a way to share session id across two asp.net web applications?

由于我存储的StateServer会话，他们都应该得到同样的会话数据，但是，不同的会话ID创建每次我从应用程序到applicatino湾这是不是发生在一个负载均衡的情况呢？在那里，当我去www.test.com，它会重定向请求服务器，然后如果我再次打它，它会去到服务器B，但因为它是一个不同的Web应用程序，它会创建一个新的会话ID ？

Since I'm storing the session in StateServer, they should both be getting the same session data, however, a different session id is created everytime I go from application a to applicatino b. Wouldn't this happen in a load balancing scenario as well? Where when I go to www.test.com, it would redirect that request to server a, and then if I hit it again, it would go to server b, but since it's a different web application, it would create a new session id?

推荐答案

首先，在你的web.config在这两个应用程序使用cookieName =SOME_COOKIE_NAME_HERE配置sessionState元素。

First, configure the sessionState element in your web.config to use cookieName="SOME_COOKIE_NAME_HERE" in both apps.

然后，只需确保网址具有相同的TLD（顶级域名），即app1.mydomain.com和app2.mydomain.com，你应该能够处理在Global.asax中在session_start事件，并把这个code：

Then, just make sure the urls have the same TLD (top-level domain), i.e. app1.mydomain.com and app2.mydomain.com and you should be able to handle the Session_Start event in Global.asax and put this code:

    HttpCookie cookie = new HttpCookie("SOME_COOKIE_NAME_HERE", Session.SessionID.ToString());
    cookie.Expires = DateTime.Now.AddMinutes(20);
    cookie.Domain = "*.mydomain.com";
    cookie.HttpOnly = true;
    Response.SetCookie(cookie);

另外，我建议你去与SqlServer的SessionState会模式。

Also, I would recommend that you go with the SqlServer SessionState Mode.

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