[kismac] Re: SSIDs

  • From: Michael Rossberg <mick@xxxxxxxxxxxxxxxx>
  • To: kismac@xxxxxxxxxxxxx
  • Date: Thu, 10 Apr 2003 23:48:32 +0200

Hash: SHA1

> How hard would it be to make those changes?

it was working already. it is just a bug, that the ssid does not stay 
there. consider it fixed.


> On Thursday, April 10, 2003, at 12:05  AM, Bob Cunningham wrote:
>> I'll admit to using the technique described in the article to hide
>> the SSID for several access points I've install.  And -- with
>> KisMAC --  I've seen other access points configured that way.
>> [Why?  As the article points out, not broadcasting the SSID
>> (i.e., removing it from BEACON packets) is not really secure.
>> However, it does a little something discourage casual users.
>> And not all access points can be configured to do it.]
>> But frankly, I don't think KisMAC needs to "go active" in
>> order to discover SSIDs which are hidden this way.
>> When I monitor an access point set up that way with
>> KisMAC what I see most of the time is a blank SSID.
>> However, if I monitor a busy access point for long enough,
>> the SSID will occasionally show.  Only to vanish again quickly.
>> Literally, "in the blink of an eye".
>> I haven't found the logic behind that in the source code yet,
>> but what I think happens is that while SSIDs are being
>> suppressed in the beacons ... occasionally an ASSOCIATE
>> or REASSOCIATE frame shows up.  Which does have the
>> SSID.  KisMAC seems to (correctly) display that, but it quickly
>> goes away.  Probably because a beacon packet (without
>> the SSID) shows up.
>> Perhaps if the logic want changed so that:
>>      If an SSID shows up in in an ASSOCIATE or
>>      REASSOCIATE packet, display it.
>>      if BEACON packets show up afterwards with
>>      zero length SSID, do not change the display.
>> ... in other words:  if a non-zero-length SSID shows up,
>> keep displaying it.  Even if subsequent BEACON frames
>> from that access point have zero-length SSIDs.
>> On Wednesday, Apr 9, 2003, at 12:43 Pacific/Honolulu, Robbie Miller
>> wrote:
>>> I think the next release of kismac should include the ability to
>>> discover the name of hidden SSIDs.
>>> http://www.tisc2002.com/newsletters/416.html
>>> I have found this document, some of the options on the site would
>>> cause
>>> the Kismac to reveal it's self.
>>> So in my opinion I think that there should be a menu option to make
>>> kismac attempt to discover the SSID.
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