tailieunhanh - Microsoft ISA Server 2004 Firewall phần 3

To perform remote administration of ISA Server 2004 firewalls using the management console, the management workstation must be added to the Enterprise Remote Management Computers (to manage all firewalls in the enterprise) | Figure 8-4. ISA Server 2004 Management Console View full size image To perform remote administration of ISA Server 2004 firewalls using the management console the management workstation must be added to the Enterprise Remote Management Computers to manage all firewalls in the enterprise or the Remote Management Computers to manage a single firewall in the enterprise computer set and then remote management must be enabled. The easiest way to do this is to right-click the Firewall Policy object in the management console and choose Edit System Policy. Under the Remote Management configuration group select Microsoft Management Console and ensure that Enable is checked on the General tab. Next click the From tab and choose the appropriate group that you want to update as shown in Figure 8-5 and then click Edit. Figure 8-5. Modifying Remote Management Rules View full size image At the Properties screen add edit or delete systems that will be allowed to perform remote management on the firewalls. When you have finished click OK to close any open windows returning to the management console. Before any configuration changes are actually performed on the ISA servers the last task is to select to either apply or discard the changes as shown in Figure 8-6. Figure 8-6. Applying Configuration Changes View full size image Note Keep in mind that any time you are applying or discarding changes you make if you have made multiple changes then you are selecting to apply or discard all of the changes or in the event of firewall policy changes you are selecting to apply or discard the entire firewall policy. Make sure you are comfortable with any and all changes you have opted to make before you decide to click Apply. To understand how the Microsoft ISA Server 2004 firewall works it is important to identify the specific functions that an ISA Server 2004 firewall can perform Filter outbound access Publish internal resources Perform application filtering Configure system policy rules .