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Old 12-15-2004   #31 (permalink)
King_Ice_Flash
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First of all, it has two antenna connectors on it that you could use with more powerful antennas. Second, the device is actually in monitor mode. This would eliminate the need for a windows driver for monitor mode, so, you could in theory run kismet on windows.
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Old 12-16-2004   #32 (permalink)
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Quote:
Originally Posted by kevincadogan30
i was thinking of getting it and trying to run it on xandros.thanks
Don't be thinking about running your favourite linux ditribution on the WRT54G: You can't download the latest redhat for linksys or anything like that (although I was surprised the NetBSD 2.0 didn't feature a WRT54G port ).

There are, however, various suppliers (for want of a better word) or WRT54G linux available. Have a look through this thread, rendermans excellant guide and search for "WRT54G" here. This article also recently appeared on the netstumbler.com front page. There's loads of stuff on the internet about linux on this blue box; all the information in readilly available. I've got a bookmarks folder stuffed full of it all, but, I got bored copy and pasteing it to you. Half the fun of accumulating it was doing it myself.
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Old 12-16-2004   #33 (permalink)
kevincadogan30
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bios

so which os do u run it under?anyone have the hacked bios for the 250mw upgrade?
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Old 12-16-2004   #34 (permalink)
renderman
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Quote:
Originally Posted by kevincadogan30
so which os do u run it under?anyone have the hacked bios for the 250mw upgrade?
Oy. Google a bit will ya.

The WRT54G runs linux itself. You can connect to it with Kismet running on any Linux flavor (personally, it's Slackware).

Most, if not all the hacked firmwares can crank the transmit power. (the actual limit is 84mw, BTW)
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Old 12-16-2004   #35 (permalink)
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Ver 0.2 Posted

I got impatient.

I wrote out instructions for installing/running the Kismet Drone on OpenWRT and all the 'gotchas' you need to work over.

http://www.renderlab.net/projects/wrt54g/

Now covers Sveasoft and OpenWRT firmwares.

TODO:
Guide to building custom firmware
Guide to other firmware variations
Guide to building drone binaries yourself
Proper perl scripts for uploading/running drone
Build OpenWRT Ipkg with Kismet Drone from Current Kismet Release

If anyone feels up to adding more instructions or guides, please do. I don't want this to be a one man show.

Last edited by renderman : 08-15-2005 at 02:07 PM.
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Old 12-16-2004   #36 (permalink)
kevincadogan30
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thanks

thanks for the help
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Old 12-17-2004   #37 (permalink)
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Quote:
Originally Posted by renderman
Oy. Google a bit will ya.

The WRT54G runs linux itself. You can connect to it with Kismet running on any Linux flavor (personally, it's Slackware).

Most, if not all the hacked firmwares can crank the transmit power. (the actual limit is 84mw, BTW)
The actual limit is 251mw. Most of the 3rd party firmwares have a limit of 84mw on the web interface, but if you use the CLI and wl utility you can bring it up to 251.

See this: http://explorer.cyberstreet.com/wrt5...raloutput.html
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Old 12-17-2004   #38 (permalink)
kevincadogan30
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firmware

i just found a site where u can get those firmwares for free: http://wrt54g.thermoman.de/
anyone else know about this place?thanks
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Old 12-17-2004   #39 (permalink)
renderman
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Quote:
Originally Posted by grcore
The actual limit is 251mw. Most of the 3rd party firmwares have a limit of 84mw on the web interface, but if you use the CLI and wl utility you can bring it up to 251.

See this: http://explorer.cyberstreet.com/wrt5...raloutput.html

I stand corrected. I was using the SeattleWireless archive as reference and it lists up to 84, but your quite right, the WL driver allows up to 251.

I do remember reading hower that things got particularly noisy on WAP11's when you tinkered with the power output.(http://www.maokhian.com/wireless/wap11.html) Lots of noise bleeding into other channels and other badness.

People alot smarter than I design these things and I've learned that there's usually a reason for things being as they are. One would assume that the WRT54G was not designed to run at 250mw otherwise they would have made it so.

I guess it's one of those 'use at your own discression' type things.

Personally I prefer an elegant antenna based solution rather than the brute force of just adding more power

Last edited by renderman : 12-17-2004 at 11:09 AM.
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Old 12-17-2004   #40 (permalink)
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Quote:
Originally Posted by renderman
Personally I prefer an elegant antenna based solution rather than the brute force of just adding more power
I agree 100%. Its best to keep the clean and use a proper antenna for the application. The pictures in the link show how noisey the signal gets as the ouput gets higher.
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Old 12-18-2004   #41 (permalink)
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Kiss

What's the old Army saying? "It it's stupid and it works, it ain't stupid."

I built one of these. It seems to boost the signal strength, but even better, it rejects the OTHER 5 AP's in my neighborhood that XP tries to automatically lock on to. Not bad for 20 minutes, a piece of cardboard, and some aluminum foil. There is even a place that'll sell you one.
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Old 12-22-2004   #42 (permalink)
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I having some problem getting kismet_drone working on my wrt54gs the drives HyperWRT (openWRT was to much configure for me ). I'm getting this error:

# ./kismet_drone -f kismet_drone.conf
Using alternate config file: kismet_drone.conf
Suid priv-dropping disabled. This may not be secure.
No specific sources given to be enabled, all will be enabled.
Enabling channel hopping.
Disabling channel splitting.
Source 0 (wrt54g): Enabling monitor mode for wrt54g source interface eth1 channel 6...
Source 0 (wrt54g): Opening wrt54g source interface eth1...
FATAL: pcap reported netlink type 1 (EN10MB) for eth1. This probably means you're not in RFMON mode or your drivers are reporting a bad value. Make sure you have the correct drivers and that entering monitor mode succeeded.
#

what could the problem me? Maybe I need pcap... Wellm tell me if I do, i'm not realy into Linux and this advanced stuff. :-) But the router works great! Just want some more tools in the firmware. Like sniffers and such. Is there any for that works great with wrt54gs and hyerwrt? A

regards
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Old 12-22-2004   #43 (permalink)
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Quote:
Originally Posted by ph33r_j0
I having some problem getting kismet_drone working on my wrt54gs the drives HyperWRT (openWRT was to much configure for me ). I'm getting this error:

# ./kismet_drone -f kismet_drone.conf
Blah, Blah, Blah
Source 0 (wrt54g): Opening wrt54g source interface eth1...
FATAL: pcap reported netlink type 1 (EN10MB) for eth1. This probably means you're not in RFMON mode or your drivers are reporting a bad value. Make sure you have the correct drivers and that entering monitor mode succeeded.
#

regards
I have had the same problem with more recent versions of the Sveasoft firmware. It looks like you have to set the AP into monitor mode first. I haven't hade any time to figure out how to do this.
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Old 12-22-2004   #44 (permalink)
renderman
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Quote:
Originally Posted by King_Ice_Flash
I have had the same problem with more recent versions of the Sveasoft firmware. It looks like you have to set the AP into monitor mode first. I haven't hade any time to figure out how to do this.
It all depends on what driver they are using in /whatever/ firmware if it supports it and what the command is.

In OpenWRT and easlier Sveasoft ones (not sure about current) they are using the 'wl' driver from broadcom/linksys.

Try running 'wl monitor 1' , then running the drone and report back what happens.

Also, just for giggles, try setting the interface in kismet_drone.conf to eth0 or bc0 and try it with and with the monitor command above.


Hmm, HyperWRT. There goes my weekend

Last edited by renderman : 12-22-2004 at 11:53 PM.
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Old 12-23-2004   #45 (permalink)
ph33r_j0
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Exclamation

Quote:
Originally Posted by renderman
It all depends on what driver they are using in /whatever/ firmware if it supports it and what the command is.

In OpenWRT and easlier Sveasoft ones (not sure about current) they are using the 'wl' driver from broadcom/linksys.

Try running 'wl monitor 1' , then running the drone and report back what happens.

Also, just for giggles, try setting the interface in kismet_drone.conf to eth0 or bc0 and try it with and with the monitor command above.


Hmm, HyperWRT. There goes my weekend

Thank you for the reply. But 'wl monotor 1' did not make my kismet_drone working.'


I will also mention using the wl scan I cant get any data back!

# wl scan
eth1: Invalid argument
scan Initiate a scan.
Default an active scan across all channels for any SSID.
Optional arg: SSID, the SSID to scan.
Options:
-s S, --ssid=S SSID to scan
-t ST, --scan_type=ST [active|passive] scan type
--bss_type=BT [bss/infra|ibss/adhoc] bss type to scan
-b MAC, --bssid=MAC particular BSSID MAC address to scan, xx:xx:xx:xx:xx:xx
-n N, --nprobes=N number of probes per scanned channel
-a N, --active=N dwell time per channel for active scanning
-p N, --passive=N dwell time per channel for passive scanning
-h N, --home=N dwell time for the home channel between channel scans
-c L, --channels=L comma or space separated list of channels to scan

#


some more:

# wl ver
wl: 3.60 RC13.0
wl0: Aug 2 2004 14:32:51 version 3.60.13.0




And, someone who knows if there is a pico or nano for wrt54gs linux dist. :P I dontlike vi or vim...


Happy christmas!
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