3com 3CRWE52196 User Guide

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In addition to the four authorised services listed, you can choose to allow 
or block access to other services. You can either:

■

Allow all other services with exceptions, or

■

Block all other services with exceptions

4 To do this, select Allow or Block from the drop down menu and enter the 

exceptions into the text box.

The port numbers are specified using a comma-separated list, with 
hyphens to denote port number ranges. So for example, entering 2, 3, 
5-7 would cause ports 2, 3, 5, 6, and 7 to be activated.

1. Tick the Web(80) check box.

2. Select ‘Block’ all other services.

3. Enter ‘2, 3, 5-7’ in the ‘except (specify ports) box. See 

Figure 54   PC Privileges Setup Screen Example

5 Click Modify to save the settings or Close to discard them.

To assign different access rights for different computers:

1 If not already selected, click PCs access authorized services only.

2 Click New to display the PC Privileges setting screen.

3 Enter the last digit(s) of the IP address of the computer in the PC’s IP 

Address text box.