I beleive you can set some Access Points to not allow traffic between 
clients.

Roy...

>From: "Robert Bialecki" <robert at mpiwifi dot com>
>To: <m0n0wall at lists dot m0n0 dot ch>
>Subject: Re: [m0n0wall] Firewall Quiestion
>Date: Wed, 26 Jan 2005 13:28:44 -0700
>
>My config is:
>
>      (Internet)
>           |
>      WAN     (m0n0wall)
>      LAN (lan is on wireless card not Ethernet)
>        //|\\
>Wireless Clients
>
>
>----- Original Message ----- From: "James W. McKeand" <james at mckeand dot biz>
>To: <m0n0wall at lists dot m0n0 dot ch>
>Sent: Wednesday, January 26, 2005 1:01 PM
>Subject: RE: [m0n0wall] Firewall Quiestion
>
>
>>Robert Bialecki wrote:
>>>What about if monowall LAN is as wireless AP then you should be able
>>>to control traffic using monowall`s firewall ?
>>>
>>>
>>>----- Original Message -----
>>>From: "Peter Curran" <lists at closeconsultants dot com>
>>>To: "Robert Bialecki" <robert at mpiwifi dot com>; <m0n0wall at lists dot m0n0 dot ch>
>>>Sent: Wednesday, January 26, 2005 12:11 PM
>>>Subject: Re: [m0n0wall] Firewall Quiestion
>>>
>>>
>>>>OK - I am on a roll and will give Chris a rest for tonight :-)
>>>>
>>>>On Wednesday 26 January 2005 18:43, Robert Bialecki wrote:
>>>>>Hi,
>>>>>
>>>>>What rule should I use to stop comunication between clients on
>>lan?
>>>>>A client should only be able to go to the gateway (monowall) and
>>>>>not be able to comunicate on any port with any other client on
>>lan.
>>>>>
>>>>You can't.  If all your clients are on the same LAN then they can
>>>>chatter away to each other and there is not a damn thing m0n0wall
>>>>can do about it.
>>>>
>>>>In order to impose a security policy any firewall must be placed
>>>>between the communicating systems to filter the traffic.
>>>>
>>>>Peter
>>
>>If this is your config:
>>
>>   (Internet)
>>       |
>>      WAN     (m0n0wall)
>>      LAN
>>       |
>>     (APs)
>>     //|\\
>>Wireless Clients
>>
>>How would the m0n0wall affect traffic between Clients? The traffic
>>exists before the m0n0wall.
>>
>>_________________________________
>>James W. McKeand
>>
>>
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>>
>
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