Linksys RT31P2-NA User Guide - Page 28
The Security Tab - Filter - dropped wan
UPC - 745883560813
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Broadband Router with 2 Phone Ports The Security Tab - Filter When you click the Security tab, you will see the Filter screen. Filters block specific internal users from accessing the Internet and block anonymous Internet requests and/or multicasting. Filter IP Address Range You can create up to five different IP Address Range filters. To set up a filter using IP addresses, enter the range of IP addresses you wish to filter in the Start and End fields. Users who have filtered IP addresses will not be able to access the Internet at all. If you only want to filter one IP address instead of a range of IP addresses, enter the same value into both fields. For instance, if you wish to filter the PC with the IP address of 192.168.15.5, enter 5 into both fields on one line: 192.168.15.5 ~ 192.168.15.5. Filter Port Range You can create up to five different Port Range filters. To filter users by network port number, select the protocol you want to filter, TCP, UDP, or Both, from the Protocol drop-down menu. Enter the port numbers you want to filter in the Start and End fields. Users connected to the Router will no longer be able to access any port number listed there. Filter MAC Address This feature blocks computers with specific MAC addresses from going out to the Internet. For information on obtaining a MAC address, go to "Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter." To set the MAC filter, click the Edit MAC Filter Setting button. Edit MAC Filter Setting. Click the Edit MAC Filter Setting button. Select the range of MAC address entries in the drop-down box. In each mac field, enter the MAC address you want to filter. Click the Apply button before closing the window. To cancel changes, click the Undo button. Block WAN Requests Use these features to enhance your network's security and filter multicasting. Block Anonymous Internet Requests. This keeps your network from being "pinged" or detected and reinforces your network security by hiding your network ports, so it is more difficult for intruders to work their way into your network. Select Enabled to block anonymous Internet requests, or Disabled to allow anonymous Internet requests. Chapter 5: Configuring the Router The Security Tab - Filter Figure 5-14: Security Tab - Filter Figure 5-15: Filtered MAC Address 22