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Packet filtering function enables you to configure your router to check specified
internal/external user (IP address) from Internet access, or you can disable specific service
request (Port number) to /from Internet. This configuration program allows you to set up
different filter rules up to 10 for different users based on their IP addresses or their network
Port number. The relationship among all filters is “or” operation, which means the device
checks these different filter rules one by one, stating from the first rule. As long as one of the
rules is satisfied, the specified action will be taken.
Add:
Click this button to add a new packet filter rule. After click, next figure will appear.
Edit:
Check the Rule No. you want to edit. Then, click the “Edit” button.
Delete:
Check the Rule No. you want to delete. Then, click the “Delete” button.
Outgoing /
Incoming:
Determine whether the rule is for outgoing packets or for
incoming packets.
Active:
Choose “Yes” to enable the rule, or choose “No” to disable the rule.
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Packet Type:
Specify the packet type (TCP, UDP, ICMP or any) that the rule will be
applied to.Select TCP if you want to scope for the connection-based application
service on the remote server using the port number. Or select UDP if you want to
scope for the connectionless application service on the remote server using the port
number.
Log:
Choose “Yes” if you want to generate logs when the filer rule is applied to a
packet.
Action When Matched:
If any packet matches this filter rule, Forward or Drop this
packet.
Source IP Address:
Enter the incoming or outgoing packet’s source IP address(es).
Source Port:
Check the TCP or UDP packet’s source port number(s).
Destination IP Address
: Enter the incoming or outgoing packet’s destination IP
address(es).
Destination Port:
Check the TCP or UDP packet’s destination port number(s).
E.G.
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http(OutGoing/Ingoing):
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POP3 (OutGoing/Ingoing):
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SMTP (OutGoing/Ingoing):

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