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For source or destination port, you can define a single port (80) or a range of ports
(1000-1999). Add prefix "T" or "U" to specify TCP or UDP protocol. For example, T80, U53,
U2000-2999, No prefix indicates both TCP and UDP are defined. An empty implies all port
addresses. Packet Filter can work with Scheduling Rules, and give user more flexibility on
Access control. For Detail, please refer to Scheduling Rule.
Each rule can be enabled or disabled individually.
Afterwards, click on "Save" to store your settings or click "Undo" to give up the changes.
3.3.2 Domain Filters
Domain Filter prevents users under this device from accessing specific URLs.
1. Domain Filter: Check if you want to enable Domain Filter.
2. Log DNS Query: Check if you want to log the action when someone accesses the specific
URLs.
3. Privilege IP Address Range: Setting a group of hosts and privilege these hosts to access
network without restriction.
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