Windows 2003 operating system introduction

                                                                                                                                                                                         

Windows Server 2003 is Microsoft's server operating system. Originally called "Windows .NET Server", it was changed to "Windows .NET Server 2003", and was eventually changed to "Windows Server 2003", which was released on March 28, 2003 and was listed at the end of April of the same year. Many improvements have been made to Windows 2000, such as: improved Active Directory (such as the ability to remove classes from the schema); improved Group Policy operations and management; improved disk management, such as from Shadow Backup files in Copy (shadow copy). In particular, the improved scripting and command-line tools are an innovation for Microsoft: bringing a complete command shell into the next version of Windows——.
Windows Server 2003 Web Edition

Standard English Name: Windows Server 2003 Web Edition

Used to build and store web applications, web pages and XMLWeb Services. It mainly uses IIS6.0 web server and provides rapid development and deployment using ASP. XML Web services and applications for .NET technology. Support for dual processors, minimum support for 256MB of memory. It supports up to 2GB of memory.
Windows Server 2003 Standard Edition

Standard English Name: Windows Server 2003 Standard Edition

The sales target is for small and medium-sized businesses, supporting file and printer sharing, providing a secure Internet connection, allowing Centralized application deployment. Support 4 processors; support up to 256MB of memory, up to 4GB of memory.
Windows Server 2003 Enterprise Edition

Standard English Name: Windows Server 2003 Enterprise Edition

The main difference between Windows Server 2003 Enterprise Edition and Windows Server 2003 Standard Edition is: Windows Server 2003 Enterprise The version supports high-performance servers and can cluster servers to handle larger loads. Reliability is achieved with these features to help ensure that the system is available even in the event of a problem. Supports up to eight processors in a single system or partition, an eight-node cluster with up to 32GB of memory.
Windows Server 2003 Data Center Edition

Standard English Name: Windows 2003 Datacenter Edition

For large enterprises or national organizations that require the highest levels of scalability, availability and reliability, etc. And designed. It is the most powerful server operating system. Divided into 32-bit version and 64-bit version: 32-bit version supports 32 processors, supports 8-point cluster; minimum requirements 128MB memory, up to 512GB of memory. The 64-bit version supports both Itanium and Itanium2 processors, supports 64 processors and supports 8-point clusters; supports up to 1GB of memory and supports up to 512GB of memory.
sp1

Microsoft released the first service pack (Service Pack 1) for Windows Server 2003 on March 30, 2005. This upgrade provides many Windows Server 2003 users with features similar to Windows XP Service Pack 2. These features include:

Security Setup Wizard: This tool makes it easier for administrators to change security settings. Hot Patching: This feature allows Windows Server 2003 to install DLLs, drivers, and non-kernel updates without rebooting. IIS 6.0 database check: Allows tracking of database modifications. Windows Firewall: Many of the improvements in Windows XP Service Pack 2 have been added to Windows Server 2003, including the Security Setup Wizard, which makes it easier for administrators to manage open input ports, it automatically detects

and selects The default role. Other
network improvements include support for wireless provisioning services, better IPv6 support, and new protection against TCP SYN attacks.

After Installation Security Upgrade: A default mode is turned on when the Service Pack 1 server is first rebooted after the installation is complete. It sets the firewall to block all access requests and guides the user to install the upgrade package. Data Execution Prevention (DEP): Supports the prohibition of execution bits and helps prevent buffer overflow attacks. It is one of the commonly used attacks in Windows Server intrusion.
Windows Media Player, version 10. The full SP1 update project is available on the Microsoft website. Sp2

Windows Server 2003 Service Pack 2 was officially released in the first half of 2007. The release date was originally set for the first half of 2006. Note: Microsoft did not update the last modified date on the Windows Service Pack Road Map website. On June 19, 2006, Microsoft provided the initial beta version of Service Pack 2 for Microsoft Connect users with an internal build number of 2721. The latest internal version is 2725 (Beta 1). Microsoft described Service Pack 2 as a "standard" service pack that includes previously released security updates, patches, and improvements in reliability and performance. In addition, Service Pack 2 includes Microsoft Management Control Panel 3.0, Windows Development Services (instead of Remote Installation Services), support for WPA2, and improvements to IPSec and System Configuration Utilities.
R2

R2 is an improved version of Windows Server 2003, which was released in December 2005, but older users cannot update to the new version for free, but need to pay for updates. However, R2 is currently on the market. In addition to Win2K3 SP1, the R2 attribute has another CD that contains more new features.

Additional new features for R2

-Branch office server management

--Document and printer central management tools

- - Enhanced Distributed File System (DFS) Namespace Management Interface

--More efficient WAN data replication using remote differential compression

-Identity and Rights Management

--External network single sign-on and identity federation

--Centralized management of external network application access

--Automatically prohibit external network access based on Active Directory account information

--User Access Log

--Multi-platform web single sign-on and password synchronization, using Network Information Service (NIS)

-Storage Management

--Document Server Storage utilization reporting

--enhanced quota management

-virtual server

--The new copyright agreement allows up to 4 virtual instances (in the enterprise) Versions and above)

- UNIX-based add-on utilities and development tools provide a relatively complete Unix development environment.

--Basic Utilities

--SVR-5 Utilities

--Basic Development Tools

--GNU Development Tools

--GNU utility

--UNIX Perl

--Visual Studio Debugger add-on program

- Integrated Print Manager: For companies that need to manage a large number of printers, The new plug-in allows administrators to manage all of the company's printers and their respective print tables on a single screen.

The Windows Server 2003 family follows the advanced technology of Windows 2000 Server and makes it easier to deploy, manage, and use. The result: an efficient structure that helps make the user's network a strategic asset for the unit. All of the business-critical features that customers need are all included in Windows Server 2003, such as security, reliability, availability, and scalability. In addition, Microsoft has improved and extended the Windows Server operating system to enable your organization to experience the benefits of Microsoft .NET, the software used to connect information, people, systems and devices.

General security regular win2003 security configuration includes the following items:

1, close the unneeded port

2, close the unneeded service to open the corresponding audit policy

3, closed air link shared by default

4, disk permissions

5, firewalls, anti-virus software installed configuration