Re: your mail

On Thu, Mar 06, 2003 at 06:38:32PM +0100, Erik Paulsen Skålerud wrote:
> I have the following card:
> 
> wi0 at port 0x240-0x27f irq 7 slot 0 on pccard0
> wi0: 802.11 address: 00:40:05:ae:e3:12
> wi0: using RF:PRISM2.5 MAC:ISL3873
> wi0: Intersil Firmware: Primary 1.00.07, Station 1.03.05
> 
> And I use this ifconfig to set it up:
> 
> /sbin/ifconfig wi0 mediaopt hostap channel 10 stationname firewall ssid
> trollbakken wepmode on \
> wepkey 1:ZHHE7NE0$E0 wepkey 2:tl2rnVG5$3W wepkey 3:Hd67WAv1$z6 wepkey
> 4:lwhH$os1tZB4f media DS/11Mbps
> 
> This works just fine, but suddenly I saw this in ifconfig:
> 
>         channel 10 authmode OPEN powersavemode OFF powersavesleep 100
> 
> 
> I was thinking, "authmode OPEN"? What does this do?
> 
> I looked it up in the ifconfig manpage, and didnt get any smarter. So I
> tried to play around with it. I tried to set it to "channel 10 authmode
> shared".
> 
> And boom, card dead. Channel is now suddenly locked at channel 0, and I cant
> get it back to the setup I had no matter what I do (except rebooting). Is
> this a bug?

That's a bug.  The short answer is until EAP becomes an option, don't
mess with authmode.  Shared mostly just increases the vulnerability of
your WEP key.  There's a writeup in the Cisco AP help at (scroll down to
"Accept Authentication Types"):

http://www.cisco.com/warp/public/779/smbiz/prodconfig/help/eag/air/ap3xx/SetWEP_Keys.shm.htm

-- Brooks

-- 
Any statement of the form "X is the one, true Y" is FALSE.
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