If you have installed any Vigor router with Wireless LAN capability (it will have aerial sockets on the back) then the wireless facility is enabled by default. Therefore, as soon as you turn it on, and plug it in, your Internet connection is available to any PC or other device within range. That makes it very easy to use, but also means neighbours or passers by could also use your Internet connection. In some instances you might actually want that or not care, but all wireless users also have access to your PCs, as if they were plugged into the router directly. If you do not have PC Peer-to-peer networking enabled, this may provide minimal security risk, but we would still recommend that you add some security to your wireless connection.
For best security advice for your particular circumstances, we recommend you consult someone who can assess your specific risks and environment, but this general advice is provided as a good starting point :
If you need to identify the client specifically (to make sure it is yours!) you can use the 'ipconfig /all' command from the Windows Command prompt on a PC to view its MAC (Physical) address:
It is possible for an attacker to by-pass mac address locking by cloning a legitimate mac address and assigning that to wireless device they are using, so in isolation this method does not provide security but it does present an additional hurdle for a potential attacker
In the screen show below, SSID1 has been put into the same subnet (LAN1) as the LAN ports and SSID2 has been put in a different subnet (LAN2). The [LAN] > [General Setup] > "Inter-LAN Routing" table then controls if the two subnets are able to communicate with each other - this is useful for scenarios where a guest WLAN is being offered.
WLAN clients can be isolated from each other by ticking the "Isolate Member" check box.
Ticking the "Isolate VPN" will prevent WLAN clients from communicating with VPN dial-in user or accessing LAN-to-LAN VPN's
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