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Martin,

Martin Mkrtchian wrote:
> Is there a scanning tool out there that can determine if there are
> unauthorized Linksys (type) routers in a specific VLAN?

You can use the Nessus plugin 11026 (find_ap.nasl) to scan your network
for open HTTP, SNMP and FTP servers. Using Nmap fingerprinting and
banner grabbing, this plugin does a decent job at finding rogue AP's
that don't mind being found (e.g. they haven't been specifically
configured to hide from administrators).

Alternatively, wireless-side analysis is the way to go to locate rogue
AP's! Kismet (www.kismetwireless.net), or a commercial tool will be
helpful there.

- -Josh
- --
- -Joshua Wright
jwright (at) hasborg (dot) com [email concealed]

2005-2006 pgpkey: http://802.11ninja.net/pgpkey.htm
fingerprint: F00E 7A42 8375 0C55 964F E5A4 4D2F 22F6 3658 A4BF

Today I stumbled across the world's largest hotspot. The SSID is "linksys".
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