Icidu NI-707539, Руководство пользователя

Страница: 117 / 141

108
Here are descriptions of every setup items:
Client PC Please input any text to describe this IP
Description (a): address, up to 16 alphanumerical characters.
Client PC IP
Please input the starting IP address in the left
address (b): field, and input the end IP address in the right field to
define a range of IP addresses, or just input the IP
address in the left field to define a single IP address.
Client PC
Please check all services you want to allow or
Service (c): deny this IP address to use, you can check multiple
services.
Protocol (d):
If the service you need is not listed above, you can
create a new service on your own. Please select TCP
or UDP, if you’re not sure, please select ‘Both’.
Port Range (e):
Please input the port range of new service here. If you
want to specify port 80 to 90, please input ’80-90’; if
you want to apply this rule on a single port, just input
the port number, like ‘80’.
Add (f):
When you finish with all settings, please click ‘Add’ to
save settings, you’ll be brought back to previous menu,
and the rule you just set will appear in current IP
filtering table.
If you want to remove all settings in this page, click ‘Reset’ button.
3-3-2 URL Blocking
If you want to prevent computers in local network from accessing certain
website (like pornography, violence, or anything you want to block), you can
use this function to stop computers in local network from accessing the site
you defined here.