Allow traffic between (some) associtated stations, otherwise deny

Denis Vlasenko vda
Sat Mar 6 12:31:12 PST 2004


On Saturday 06 March 2004 17:46, Jan Rovner wrote:
> Hi everybody,
>
> can someone recommend me how to solve quite simple problem.
>
> Assume simple setup:
> single wireless interface (wlan0), hostap in master mode,
> AP adress is 192.168.1.1,
> stations use 192.168.1.2, 192.168.1.3, 192.168.1.4, 192.168.1.5
>
> I want to by default deny traffic between all stations, i.e:
> iw_priv wlan0 ap_bridge_packets 0
>
> however, I need to allow several stations to communicate together
> (i.e. 192.168.1.3 should be able to talk with 192.168.1.5).
>
> Any solutions?

Assign 4-addr net per each STA:
192.168.1.0
192.168.1.1 AP
192.168.1.2 STA1
192.168.1.3 bcast

192.168.1.4 
192.168.1.5 AP
192.168.1.6 STA2
192.168.1.7 bcast
...

Set up routing between those STAs you want to talk to each other:
on STA1: ip r a 192.168.1.4/30 via 192.168.1.1
on STA2: ip r a 192.168.1.0/30 via 192.168.1.5
--
vda





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