User manual TP-LINK TD-W8970

[. . . ] These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: · · · Reorient or relocate the receiving antenna. [. . . ] Enter the External Port Start, External Port End, Internal Port Start and Internal Port End in the table, and then select the protocol used for this Virtual Server, TCP, UDP or All. Click the Save/Apply button to enable virtual server. Note: If you select the service from the drop-down list, the External Port Start, External Port End, Internal Port Start, Internal Port End and the Protocol will be added in the table automatically. You 33 TD-W8970 54M Wireless ADSL2+ Router User Guide only need to enter the Server IP Address for the Virtual Server. Port Triggering Choose "Advanced Setup" "NAT" "Port Triggering", you can set Port Triggering on the screen (shown in Figure 5-18). Some applications require that specific ports in the Router's firewall should be opened for access by remote devices. Port Trigger dynamically opens up the 'Open Ports' in the firewall when an application on the LAN initiates a TCP/UDP connection to a remote device using the triggering ports. The Router allows the remote party from the WAN side to establish new connections back to the application on the LAN side using the open ports. A maximum 32 entries can be configured. Figure 5-18 Port Triggering Table: The table indicates the information about the Port Triggering entries. Trigger: It includes the Protocol and the Start and End value of the Trigger Ports. Open: It includes the Protocol and the Start and End value of the Open Ports Add: Click the button to add a new entry. Remove: Select the check box in the table (shown in Figure 5-18) and then click the Remove button, then the corresponding entry will be deleted in the table. IP Filtering - Incoming Choose "Advanced Setup" "Security" "IP Filtering" "Incoming", you can configure Incoming Filtering rules on the screen (shown in Figure 5-25). The Incoming IP Filtering 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. 6. 38 TD-W8970 54M Wireless ADSL2+ Router User Guide Figure 5-25 Setup an Incoming IP Filtering rule: 1. Click the Add button (pop-up Figure 5-25), and then you will set the new rule in the next screen (shown in Figure 5-26). Figure 5-26 2. Enter the Filter name for the rule, it is exclusive and must be filled in. Select Protocol in the drop-down list, enter Source IP address, Source Subnet Mask, Source Port, Destination IP address, Destination Subnet Mask, and Destination Port for the rule. Select at least one WAN interfaces displayed below to apply this rule. 5. 39 TD-W8970 54M Wireless ADSL2+ Router User Guide Note: When you add a Incoming IP Filtering entry, you must configure at least one condition on the screen above except the Filter name. If you leave 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. MAC Filtering Choose "Advanced Setup" "Security" "MAC Filtering", you can configure MAC Filtering rules on the screen (shown in Figure 5-27). [. . . ] Port - The connection point on a computer or networking device used for plugging in cables or 78 TD-W8970 54M Wireless ADSL2+ Router User Guide adapters. PPPoE (Point to Point Protocol over Ethernet) - PPPoE stands for Point to Point protocol over Ethernet, this protocol is used as a type of broadband connection that provides authentication (username and password) in addition to data transport. PPPoA (Point to Point Protocol over ATM) - PPPoA stands for Point to Point protocol over ATM, this protocol is also used as a type of broadband connection that provides authentication (username and password) in addition to data transport. RADIUS (Remote Authentication Dial-In User Service) - A protocol that uses an authentication server to control network access. [. . . ]