ZyXEL X650 User Guide - Page 123

Port Range e

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Client PC Service (c): Please check all services you want to allow or 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 are not sure, please select 'Both'. Port Range (e): Please input the port range of the 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 (i.e. '80'). Add (f): When you finish with all settings, please click 'Add' to save settings, and you will be brought back to the previous menu, and the rule you just set will appear in the current IP filtering table. If you want to remove all settings on this page, click the 'Reset' button. 9.3.2 URL Blocking If you want to prevent local network computers from accessing certain websites (like pornography, violence, or anything else you want to block), you can use this function to stop computers in local network from accessing the sites you defined here. This function is useful for parents and company managers. Please follow these instructions to set URL blocking parameters: Please click 'Firewall' menu on the left of the web management interface, then click 'URL Blocking', and the following message will be displayed on your web browser: 121

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121
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 are not sure, please select ‘Both’.
Port Range (e):
Please input the port range of the 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 (i.e. ‘80’).
Add (f):
When you finish with all settings, please click ‘Add’ to
save settings, and you will be brought back to the
previous menu, and the rule you just set will appear in
the current IP filtering table.
If you want to remove all settings on this page, click the ‘Reset’ button.
9.3.2 URL Blocking
If you want to prevent local network computers from accessing certain
websites (like pornography, violence, or anything else you want to block), you
can use this function to stop computers in local network from accessing the
sites you defined here.
This function is useful for parents and company managers.
Please follow these instructions to set URL blocking parameters:
Please click ‘Firewall’ menu on the left of the web management interface, then
click ‘URL Blocking’, and the following message will be displayed on your
web browser: