3Com OfficeConnect 3CR856-95 User Manual

Also see for OfficeConnect 3CR856-95: Installation guide User guide

Contents

46Enter multiple ports as either a comma separated list e.g. 101,105, 107, or as a range, e.g. 101-107.5 Click Apply to save the settings.To assign different access rights for different computers:1 Click the Control PC Access to the Internet radio button.2 Click on the New button to display PC Privileges setting screen.3 Enter the IP address of the computer in the PC’s IP Address textbox.4 Check the box of a service to authorise it. Clear the box to denythe service. See Figure 42.Figure 42 PC Privileges Setup Screen5 Either: Enter the additional services that you wish to allow in theexcept (specify ports) box and set the drop down box toAllow. Enter the services that you wish to deny in the except(specify ports) box and set the drop down box to Deny.Enter multiple ports as either a comma separated list e.g. 101,105, 107, or as a range, e.g. 101-107.6 Click Apply to save the settings.Example: Allowing only web and E-mail access.To allow web and E-mail access and block all other servicesacross the Gateway’s firewall: Ensure that the Control PC Access to the Internet radio buttonis selected. Click on All PCs to pop up the PC Privileges window. Ensure that the Email (110,25) and Web (80) boxes arechecked and that other check-boxes are left cleared. Set the Block or Allow other services: drop-down box to Blockother services.For the purposes of this example, your users also need to accessa test web server on port 8080. To allow this: Enter the number 8080 in the except (specify ports): box. Click Apply to save your changes and close the PC Privilegeswindow.dua08569-5aaa01.book Page 46 Wednesday, March 13, 2002 10:39 AM