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save the list. A success message will appear. Click Continue, wait for the
MAC Address Filter List to reappear, and click Close to return to the Wireless
Network Access panel.
Wireless Client MAC List
Click this button to auto-detect wireless clients in the vicinity. For each, the
computer name, IP address, and MAC address are displayed, as well as a box
marked Enable MAC Filter. Click Refresh to scan again for wireless clients. To
block a client, put a check mark in its Enable MAC Filter box and click Update
Filter List.
9
Security
Firewall
VPN Passthrough
Virtual Private Network (VPN) passthrough lets authorised remote clients
log onto VPN servers on your LAN and join the LAN as though they were
locally connected. Strong encryption is normally used to make the remote
link secure. Your broadband gateway is set by default to allow four types of
VPN connections: IP Security (IPSec), Point-to-Point Protocol over Ethernet
(PPPoE), Point-to-Point Tunneling Protocol (PPTP), and Layer 2 Tunneling
Protocol (L2TP). You can leave passthrough of each enabled, or disable it,
according to your needs.
Firewall
Several kinds of additional dangers and annoyances can be blocked by
putting a check in the corresponding check box.
◘ Proxy servers on the Internet are sometimes used by attackers to hide their
location and identity.
◘ Cookies are records that some Web sites place on a user's computer and
read back when the user again visits the site. They usually contain viewing
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