tailieunhanh - The Best Damn Windows Server 2003 Book Period- P28

The Best Damn Windows Server 2003 Book Period- P28:The latest incarnation of Microsoft’s server product,Windows Server 2003, brings many new features and improvements that make the network administrator’s job chapter will briefly summarize what’s new in 2003 and introduce you to the four members of the Windows Server 2003 family: the Web Edition, the Standard Edition, the Enterprise Edition, and the Datacenter Edition. | 236 Chapter 6 Implementing Windows Cluster Services and Network Load Balancing Host Security Consider tightening the security of the operating system. Limit the number of users permitted to access the hosts. Place a secured PC in front of the NLB cluster and behind a firewall. Use this PC to run NLB Manager and administer the cluster. Application Security Because NLB provides no additional security functions it is imperative to use any security features available in your load-balanced applications. If you are using IIS on an NLB cluster follow the documented procedures and guidelines for securing IIS. Physical Security Like any server an NLB host should be locked behind closed doors for protection and so should the network equipment that the NLB cluster depends on. It is theoretically possible to cause a service disruption by forging cluster heartbeats. Host List If you are using the host list feature of NLB Manager you should secure the host list file on your administrative system. Restrict access to appropriate users. Remote Control Option The remote-control feature of NLB is a known security should avoid using this feature. If you must enable remote control ensure that strong passwords are used. It is also advisable to place the cluster behind a firewall and filter the port traffic going to the remote-control ports. Create A Network Load Balancing Cluster Use the following steps to create a new NLB cluster using the NLB Manager administrative tool. Where appropriate use your own TCP IP addresses. 1. Start NLB Manager by selecting Start Administrative Tools Network Load Balancing Manager. 2. Select Cluster New as shown in Figure . Figure Create a New NLB Cluster Implementing Windows Cluster Services and Network Load Balancing Chapter 6 237 3. You will be presented with the Cluster Parameters window. Enter the IP address Subnet mask and Full Internet name this is the fully qualified domain name of the cluster in the Cluster IP configuration .

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