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Does my wireless card support network monitoring
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jeanluca
Apprentice
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Joined: 08 Jan 2005
Posts: 179

PostPosted: Sat Aug 07, 2010 9:27 pm    Post subject: Does my wireless card support network monitoring Reply with quote

Hi All

I'm trying to use aireplay. But it doesn't return anything useful (waiting for beacon, and nothing happens). I might be doing something wrong, but I'm more concerned right now about the fact that my card might not support this network monitoring

I can set the mode of my wifi card, which is an Ralink RT3090, to 'monitor'. But if you can do this, does this also mean the card supports network sniffing/monitoring ?

What can I do to find this out ?

thanks a lot
Luca
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Ant P.
Watchman
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Joined: 18 Apr 2009
Posts: 6715

PostPosted: Sat Aug 07, 2010 9:32 pm    Post subject: Reply with quote

Yes, monitor mode means it can do network monitoring. You still need to have it on the right channel though.
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jeanluca
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Joined: 08 Jan 2005
Posts: 179

PostPosted: Sun Aug 08, 2010 5:36 am    Post subject: Reply with quote

it seems the firmware/driver needs to support injection, found this link: http://forum.aircrack-ng.org/index.php?topic=7029.0

Furthermore, if I change the mode to monitor

Code:
$> iwconfig ra0 mode monitor

I cannot change it back to Auto like
Code:
$> iwconfig ra0 mode Auto

Any suggestions ?
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bus_drivr
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Joined: 20 Feb 2003
Posts: 48
Location: Florida

PostPosted: Sun Aug 08, 2010 5:10 pm    Post subject: Reply with quote

recent changes in wireless have wireless-tools as a candidate for emerge --depclean
and emerge --unmerge

Try emerge iw wireless-regdb crda

these are listed at http://linuxwireless.org/en/users/Documentation
as is aircrack-ng

You can create an account and subscribe to feeds as well
Current Gentoo docs should be recommending what the kernel does.
wpa_supplicant, iw and pointing to wireless.kernel.org for getting users involved in making
wireless support better.

In other words wireless-tools is outdated.
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jordanwb
l33t
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Joined: 10 Jul 2008
Posts: 642
Location: Ottawa, Canada

PostPosted: Sun Aug 08, 2010 7:13 pm    Post subject: Reply with quote

I believe the command to put a wifi chip into monitor mode is "airmon-ng start wlan0". If possible buy an Atheros wireless chip. Atheros is God tier for wireless support under Linux.
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cwr
Veteran
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Joined: 17 Dec 2005
Posts: 1969

PostPosted: Mon Aug 09, 2010 8:14 am    Post subject: Reply with quote

It might be worth checking out Kismet; it seems to cover most cards.

Will
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