Filter
Top Products
TD-8817 ADSL2+ Ethernet/USB Modem Router User Guide
45
Note:
If select PVC0~PVC7 as a interface, the filter will match the IP traffic of WAN port with specified
IPs (Source IP Address and Destination IP Address), If select LAN as a interface, the filter will
match the IP traffic of LAN port with specified IPs.
Direction: Select the direction for this IP Filter rule. There are three filtering directions: Both,
Incoming, Outgoing.
Note:
Incoming means that IP traffic which is coming into the router, and the Outgoing means that IP
traffic which is going out the router.
IP/MAC Filter Rule Index: Select the Rule index for the IP Filter entry.
Note:
You should set the IP/MAC Filter Set Index and IP/MAC Filter Rule Index together to appoint
the address (shown in the Filter List) for the IP Filter rule. For example, (1, 2), it means the rule will
be shown in the row 2 IP/MAC Filter Set Index 1.
Rule Type: For IP Filter, please select IP here.
Active: Select “Yes” to make the rule to take effect.
Source IP Address: Enter the source IP address for the rule. You can enter 0.0.0.0; it means
that all IP addresses are controlled by the rule.
Subnet Mask: Enter the Subnet Mask for the rule.
Port Number: Enter the Port Number for the rule. You can enter 0, it means that all ports are
controlled by the rule.
Destination IP Address: Enter the destination IP address for the rule. You can enter 0.0.0.0,
it means that all IP addresses are controlled by the rule. The set of Subnet Mask and Port
Number are same as Source IP Address.
Protocol: Select the protocol: TCP, UDP or ICMP for the filter rule.
Rule Unmatched: If the current rule can not match, and you select Forward, the modem
router will skip the rule and transmit directly. If you select Next, the modem router will find the
next filter rule (show in Filter list) to match.
IP/MAC Filter Listing: This displays the information about the IP Filter rules.
To add an IP Address filtering entry:
For example: If you desire to block E-mail received and sent by the IP address 192.168.1.7 on
your local network; And wish to make the PCs with IP address 192.168.1.8 unable to visit the
website of IP address 202.96.134.12, while other PCs have no limit. You can configure the rules
as follows. Presume the rules are both aimed at the interface PVC0, and their indexes are (1, 1),
(1, 2) and (1, 3).
Step 1: Select the “IP/MAC Filter” as the Filer
Type Selection (show in Figure 4-35).
Select the “IP” as the Rule Type on the Filter screen, then you can configure the specific
rule for the example.