Draytek Vigor 2200V, Руководство пользователя

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Firewall Setup
6-25
If you want your kids not to be addicted to on-line gaming, you apply
the URL content filtering facility to your router and you set time
schedule for school days in order to let your kids have good sleep.
Warning Messages
When a HTTP request is denied, an alert page will appear in your browser,
as shown in the following figure.
Also, the warning message will be automatically sent to the syslog client
after you enable the syslog function. The administrator can setup the
syslog client in the
Syslog Setup by using Web Configurator. Thus, the
administrator can view the warning messages from the URL Content
Filtering functionality through the DrayTek Sylsog daemon. The format for
this kind of the warning messages is similar to those in the IP
Filter/Firewall except for the preamble keyword “ CF ”, followed by a name
to indicate what kind of the HTTP request is blocked.