3Com OfficeConnect 3CR856-95, Руководство пользователя

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Enter 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 text
box.
4
Check the box of a service to authorise it. Clear the box to deny
the service. See
Figure 42 .
Figure 42 PC Privileges Setup Screen
5
Either:
■
Enter the additional services that you wish to allow in the
except (specify ports) box and set the drop down box to
Allow .
■
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 services
across the Gateway’s firewall:
■
Ensure that the Control PC Access to the Internet radio button
is selected.
■ Click on All PCs to pop up the PC Privileges window.
■
Ensure that the Email (110,25) and Web (80) boxes are
checked and that other check-boxes are left cleared.
■
Set the Block or Allow other services: drop-down box to Block
other services.
For the purposes of this example, your users also need to access
a 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 Privileges
window.
dua08569-5aaa01.book Page 46 Wednesday, March 13, 2002 10:39 AM