通过强调Microsoft承诺提供技术创新来帮助用户改善系统的整体安全性，Microsoft公司主席兼首席软件设计师Bill Gates在COMDEX Las Vegas 2003上展示了下一代的Microsoft Internet Security and Acceleration (ISA) Server 。ISA Server 2004将于2004年初向公共发放Beta测试版本。
Microsoft ISA Server 2004是一种什么产品？
ISA Server 2004 是Microsoft公司下一代的企业防火墙、虚拟专用网（VPN）和Web缓存解决方案。ISA Server 2004将应用层过滤、得到简化的管理集成以及快速的Web访问带入到了一个新的水平，使它成为了希望改进现有安全基础架构的组织的当然之选。
Microsoft ISA Server 2004有哪些新增内容？
Microsoft ISA Server 2004 构建在一个经过升级的体系结构之上，该架构经过特殊设计，以抵御最新类型的Internet攻击和带有某些功能（诸如签名阻止）的蠕虫病毒的破坏。此外，它还提供了一个更为简洁的新用户界面，可以避免用户错误配置防火墙??导致网络安全漏洞的一个常见原因。此外，ISA Server 2004包括了一个经过极大扩充的工具集合，以及能够保护企业网络的VPN访问的其它功能特性。
谁应该考虑使用Microsoft ISA Server 2004？
所有网络安全放在第一位的公司都应该考虑使用Microsoft ISA Server 2004。ISA Server 2004适合从寻求简单但是具有集成化的先进安全性的产品小型企业到部署复杂安全环境的大型企业的各种用户使用。对于中型企业，ISA Server 2004尤其是上佳之选，因为它满足了它们对易于使用和管理的先进应用层安全性解决方案的需要。利用ISA Server 2004，用户不必花费时间购买、部署和管理各种异类系统。
我对于现有的防火墙十分满意，我还应该考虑使用ISA Server 2004吗？
Microsoft 相信，深度防卫策略对于今天的任何企业都是最佳选择。在很多情况下，ISA Server 2004可以经济、有效地独自担当起保护网络的重任。在其它情况下，特别是对于大型企业和组织，ISA Server的应用层安全功能将有助于为传统的现有数据包过滤和状态检测提供更多保护。
Microsoft ISA Server 2004将于何时发布？
通过参阅公众Beta测试计划（预定于2004年初启动），用户和合作伙伴可以立即体验到ISA Server 2004的各项优点。
Microsoft ISA Server 2004 is a multi-layer firewall, VPN and Web cache which introduces multi-networking support, easy-to-use and highly-integrated virtual private networking, integrated load balancing, high end application layer filtering capabilities, extended and extensible user and authentication models, and vastly improved UI and management features, including configuration import and export.
安装需求:
1. A personal computer with a 300 megahertz (MHz) or higher Pentium II-compatible CPU.
2. For the operating system, the computer must run Windows Server 2003 or Microsoft Windows?2000 Server.
Quote Content:Note If you install ISA Server on a Windows Server 2000 operating system, note the following additional requirements: Windows 2000 Service Pack 4 or later must be installed; Internet Explorer 6 or later must be installed; If you are using the Windows 2000 SP4 slipstream, you must also install the hot fix specified in article 821887, "Events for Authorization Roles Are Not Logged in the Security Log When You Configure Auditing for Windows 2000 Authorization Manager Runtime," in the Microsoft Knowledge Base. For more up-to-date information about setup and system requirements for ISA Server 2004, see http://go.microsoft.com/fwlink/?LinkId=20538.
3. 256 megabytes (MB) of memory.
4. 150 MB of available hard disk space. This is exclusive of hard disk space you want to use for caching.
5. One network adapter that is compatible with the computer's operating system, for communication with the Internal network.
6. An additional network adapter for each network connected to the ISA Server computer.
7. One local hard disk partition that is formatted with the NTFS file system.
Quote Content:Note You can use ISA Server on a computer that has only one network adapter. Typically, you will do so when another firewall is located on the edge of the network, connecting your corporate resources to the Internet. In this single-adapter scenario, ISA Server typically functions to provide an additional layer of application-filtering protection to published servers, or to cache content from the Internet. For more information, see ISA Server computers with a single network adapter.
Warning Do not install ISA Server on a multi-processor computer with more than four processors.
网络需求:
ISA Server requires both a Domain Name System (DNS) Server and Dynamic Host Configuration Protocol (DHCP) server. We recommend that you have both a DHCP and DNS Server installed on a Windows 2000 Server or Windows Server 2003 computer in your internal network. If necessary, you can host the DNS and DHCP Servers on the ISA Server computer.
1 DNS Server
DNS is the name resolution protocol for TCP/IP networks, such as the Internet. A DNS server hosts the information that enables client computers to resolve memorable, alphanumeric DNS names to the IP addresses that computers use to communicate with each other.
2 DHCP Server
DHCP servers centrally manage IP addresses and related information and provide it to clients automatically. This allows you to configure client network settings at a server, instead of configuring them on each client computer.
3 Configuring the DNS and DHCP Servers
To open the Configure Your Server Wizard, click Start, point to All Programs, point to Administrative Tools, and then click Configure Your Server Wizard. You will have to run the wizard twice: once to configure the DNS server, and once to configure the DHCP server.
When you configure your server to include a DNS server, when the Configure Your Server Wizard completes, the COnfigure a DNS Server Wizard appears. REview the DNS checklists by clicking DNS Checklists, then follow the wizard instructions to configure the DNS server.
When you configure your server to include a DHCP server, the Configure Your Server Wizard launches the New Scope Wizard. Follow the instructions of the New Scope Wizard to define the scope for the DHCP server 大家如有需要请给个ftp我上传,此文件大小是105M 我晕，自己到microsoft去下撒，干嘛还要这么浪费FTP?
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