Tp-link TD-W8900GB User Manual download pdf (Page 45)

TD-W8900GB 54M Wireless ADSL2+ Router User Guide

Figure 5-24

2. Enter the Filter name for the rule, it is exclusive and must be filled.

3. Select the protocol: TCP/UDP, TCP, UDP or ICMP in the drop-down list for the connection

between the Source IP address and Destination IP address.

4. Enter a Source IP Address in dotted-decimal notation format and then type the Source

Subnet Mask and Source Port (port or port: port) in the text boxes separately.

5. Enter a Destination IP Address in dotted-decimal notation format and then type the

Destination Subnet Mask and Destination Port (port or port: port) in the text boxes

separately.

6. Click the Save/Apply button to save this entry.

)

Note:

When you add an Outgoing IP Filtering entry, you must configure at least one condition on the

screen above except the Filter name. If you leave the Protocol blank, it means that the rule is

effective to all protocols, if you leave the Source IP Address and/or Destination IP Address blank,

it suggests that all Source IP Addresses and/or Destination IP Addresses are controlled by the

rule, if you leave the Source Port and/or Destination Port blank, it suggests that all Source Ports

and/or Destination Ports are controlled by the rule.

IP Filtering - Incoming

Choose “Advanced Setup”Æ“Security”Æ“IP Filtering”Æ“Incoming”, you can configure

Incoming Filtering rules on the screen (shown in Figure 5-25).

The Incoming IP Filterin

g feature allows some IP traffic from WAN to access some local

addresses. By default, all incoming IP traffic from the WAN is blocked when the firewall is enabled.

However, some IP traffic can be ACCEPTED by setting up filters.

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Tp-link TD-W8900GB User Manual Page 45