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总结asp.net的身份验证方式

2010-07-31 17:19 387 查看

asp.net提供了3种认证方式: windows身份验证, Forms验证和Passport验证
.

windows身份验证: IIS根据应用程序的设置执行身份验证.要使用这种验证方式,在IIS中必须禁用匿名访问.

Forms验证:用Cookie来保存用户凭证,并将未经身份验证的用户重定向到自定义的登录页.

Passport验证:通过Microsoft的集中身份验证服务执行的,他为成员站点提供单独登录和核心配置文件服务.

一. 配置windows身份验证

1)配置IIS设置

2)设置Web.config

<system.web>

<authentication mode = "Windows">



<authorization>



<deny users = "?"/>

</authorization>

</system.web>

二.配置Forms身份认证

1)配置web.config

<?xml version="1.0"?>
<!--
Note: As an alternative to hand editing this file you can use the
web admin tool to configure settings for your application. Use
the Website->Asp.Net Configuration option in Visual Studio.
A full list of settings and comments can be found in
machine.config.comments usually located in
/Windows/Microsoft.Net/Framework/v2.x/Config
-->
<configuration>
<appSettings/>
<connectionStrings/>
<!--允许匿名用户登录register.aspx页-->
<location path="register.aspx">
<system.web>
<authorization>
<allow users="?" />
</authorization>
</system.web>
</location>
<system.web>
<!--
Set compilation debug="true" to insert debugging
symbols into the compiled page. Because this
affects performance, set this value to true only
during development.
-->
<compilation debug="true"/>
<!--
The <authentication> section enables configuration
of the security authentication mode used by
ASP.NET to identify an incoming user.
-->
<authentication mode="Forms">
<forms name="auth" loginUrl="login.aspx" timeout="30" protection="All" path="/"></forms>
</authentication>
<!--禁止匿名用户登录-->
<authorization>
<deny users="?"/>
</authorization>
<!--
The <customErrors> section enables configuration
of what to do if/when an unhandled error occurs
during the execution of a request. Specifically,
it enables developers to configure html error pages
to be displayed in place of a error stack trace.
<customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm">
<error statusCode="403" redirect="NoAccess.htm" />
<error statusCode="404" redirect="FileNotFound.htm" />
</customErrors>
-->
</system.web>
</configuration>

2)登录页面代码

login.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="login.aspx.cs" Inherits="login" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="登陆" /></div>
</form>
</body>
</html>

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class login : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
FormsAuthentication.RedirectFromLoginPage(this.TextBox1.Text, false);
}
}

三.配置Passport身份认证

需要安装Passport Software Developer Kit.这种认证方式适合于跨站之间的应用,用户只有一个用户名和密码可以访问任何成员站。

附msdn文章:

Expain Windows Authorization http://msdn.microsoft.com/library/en-us/dnpag2/html/PAGExplained0001.asp

Expain Form Authorization http://msdn.microsoft.com/library/en-us/dnpag2/html/PAGExplained0002.asp

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