TeleWell TW-EA200, Руководство пользователя

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Chapter 3 Installation and Configuration
33
3.4.3.4.1 Packet Filter
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.
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.