[MLB-WIRELESS] [2600-HW] [Syd-Wireless] 10 x Cabletron/Enterasys cards for sale in Sydney, $130 ea. (fwd)

[sanbar]

Contact Grant off-list at gbayley at ausmac.net if you're interested.
- Barry

-- 
barry park
http://members.optushome.com.au/barrypark
-=all your http_get are belong to us=-

---------- Forwarded message ----------
Date: Fri, 22 Feb 2002 01:35:42 +1100 (EST)
From: Grant Bayley <gbayley at ausmac.net>
Reply-To: 2600-hardware at wiretapped.net
To: 2600-hardware at wiretapped.net
Subject: [2600-HW] [Syd-Wireless] 10 x Cabletron/Enterasys cards for sale
    in Sydney, $130 ea. (fwd)


(You guys all know me on this list so ignore the last paragraph...)

---------- Forwarded message ----------
Date: Fri, 22 Feb 2002 01:26:05 +1100 (EST)
From: Grant Bayley <gbayley at ausmac.net>
Reply-To: syd-wireless at sydney.air.net.au
To: syd-wireless at sydney.air.net.au
Subject: [Syd-Wireless] 10 x Cabletron/Enterasys cards for sale in Sydney,
     $130 ea.

10 x Cabletron/Enterasys RoamAbout CSIBD-AB 802.11b 11Mbit/sec PCMCIA
wireless ethernet cards for sale in Sydney, $130 a throw, perhaps a bit
cheaper if you want a couple.  The cards are new, packaged in bubblewrap.
They have an external antenna socket.

Having cut to the chase on what they are, I might as well answer a few of
the questions you'll probably be asking about now...

These cards are pretty much compatible with any operating system you might
happen to run.  The manufacturer (Enterasys (nee Cabletron)) supplies
drivers for Windows 3.1 through to Windows 2000, Windows CE, Linux
(binary driver) and Mac OS 9 here:

http://www.enterasys.com/software/RoamAbout/

Other drivers are available:

Linux:
http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Linux.Wireless.drivers.html

Mac OS X:
(won't do ad-hoc or PCI-PCMCIA adaptor yet, but will do WEP)
http://wirelessdriver.sourceforge.net/

BSD:
(it's basically the same driver on all three, but here's the specific
manual pages for each)
http://www.openbsd.org/cgi-bin/man.cgi?query=wi  (OpenBSD)
http://www.tac.eu.org/cgi-bin/man-cgi?wi  (NetBSD)
http://www.FreeBSD.org/cgi/man.cgi?query=wi (FreeBSD)

The cards will do 40-bit WEP, though history shows that WEP in any form
is basically useless for anything other than a few hours protection
against passive interception.

If you're interested in the cards and are wondering whether it's worth
paying more for a card capable of doing 128-bit WEP, it's honestly not.  A
much better solution is to have insanely strict firewalling rules on the
Access Point (which we'll assume for arguments' sake is a Linux/BSD
machine with a PCI-PCMCIA adaptor + card running in ad-hoc mode).  If
you're wondering how insane, how does only allowing ESP/AH (IPSEC) traffic
through and literally nothing else?  It won't matter if Joe Pornhacker can
see the AP and scan the name of the network - his traffic just won't get
past the gateway unless he's a) using IPSEC b) authenticates with the
gatway.

There's a good tutorial on doing this exact thing with OpenBSD here:

http://rt.fm/~jcs/ipsec_wep.html

Not running OpenBSD on the AP and your client?  No worries.  Check here:
http://www.allard.nu/openbsd/
http://www.wiretapped.net/~fyre/ipsec/

(If you're wondering at this point why I've posted so much information
about the things, it's because I mirror a bunch of both the crypto tools
that you'll probably end up using with them (PGPNet, FreeS/WAN, OpenBSD
etc) and also a number of the tools you might want to use to verify you
built your network securely (Ethereal, tcpdump, libnet, libpcap etc) on a
site I run at Wiretapped.  Any money I actually make on selling these
things will be going towards a ~$1000 colocation access bill we've had for
some time now.  Check the site out at www.wiretapped.net if you're
interested...)

Grant
(Wiretapped admin dude)

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Syd-Wireless at sydney.air.net.au
http://sydney.air.net.au/mailman/listinfo/syd-wireless
IRC channel at: #swag on Austnet (try au.austnet.org)


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