Firewall
Packet Filter
Packet filtering enables you to configure your router to block specified internal/external users (IP address) from Internet access, or you can disable specific service requests (Port number) to / from the Internet. This configuration program allows you to set up different filter rules for different users based on their IP addresses or their network Port number. The relationship among all filters is “or” operation, which means that the router checks these different filter rules one by one, starting from the first rule. As long as one of the rules is satisfied, the specified action will be taken.
Rule Name: User defined description for entry identification. The maximum name length is 32 characters, and then can choose an application that they want from the listbox.
Source IP address / Source Subnet Mask: This is an
Destination IP address / Destination Subnet Mask: This is an
Source Port: This Port or Port Range defines the ports allowed by the Remote/WAN to connect to the application. Default is set from range 0 ~ 65535. It is recommended that only advance user is to configure this feature.
Destination Port: This is the Port or Port Range that defines the port of the application.
Protocol: Specify the packet type (TCP, UDP, TCP/UDP) that the rule applies to. Select TCP if you wish to search for the
Direction: Determine whether the rule is for outgoing packets or for incoming packets.
Add: Click this button to add a new packet filter rule and the added rule will appear at the bottom table.
Edit: Check the Rule No. you wish to edit, and then click “Edit”.
Delete: Check the Rule No. you wish to delete, and then click “Delete”.
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