Blocking access to a network

Blocking access to a network

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Subject Author Date
Blocking access to a network shay 05-31-2005
Posted by Duane Arnold on May 31, 2005, 7:23 pm
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@g14g2000cwa.googlegroups.com:

> All you need to do is to set the DHCP to allow only 3 IP addresses,
> since you won't use the 4th one. So you could use 192.168.1.1 as your
> DHCP server and use 192.168.1.100 -192.168.1.102 for your IP addresses.
> You can also filter the traffic by MAC address, so you can input only
> the 3 valid MAC addresses that are allowed to access your network.
> Even if he changes his MAC address, he must know the 3 valid MAC
> addresses, and I doubt it that he has access to this information.

On a Linksys router except for a wireless one blocking a wireless MAC where
you give the MAC of the NIC's you want to have access, MAC filtering on the
Linksys requires that you give te MAC of the machine you don't want to have
Internet access as I recall.
>
> So it's very easy. Limit your network to only 3 IP addresses, and
> specify which MAC address is allowed to access your network, all others
> will be blocked.
>

That may not be true in all cases.

Duane :)



Posted by on June 2, 2005, 10:16 pm
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>All you need to do is to set the DHCP to allow only 3 IP addresses,
>since you won't use the 4th one. So you could use 192.168.1.1 as your
>DHCP server and use 192.168.1.100 -192.168.1.102 for your IP addresses.
> You can also filter the traffic by MAC address, so you can input only
>the 3 valid MAC addresses that are allowed to access your network.
>Even if he changes his MAC address, he must know the 3 valid MAC
>addresses, and I doubt it that he has access to this information.
>
>So it's very easy. Limit your network to only 3 IP addresses, and
>specify which MAC address is allowed to access your network, all others
>will be blocked.
>
>Mike B

I have a linksys and it doesn't have this ability. What router are you using?


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