martyr Posted March 10, 2015 Share Posted March 10, 2015 Hello everyone,I have ordered Alfa Awus036H (RTL8187 chipset) about 1 week ago and still trying to make it working with Kali.Let me explain the whole issue:I have running Kali in my both desktop & laptop.Kali is working under VMware environment also i have tested with Kali LiveCD to remove VM layer.However, my connection is dropping every 1-2 minutes.Actually connection drops on some actions like:- Running ettercap- Any ARP command- Port scanning My purpose is not dealing with WEP/WPA cracking, i would like to use Ettercap or other tools for ARP poisoning.It looks like device is not responding at all, i have to re-plug it to USB.And also, i have tested it on Windows, connection is really slow. I have a TP-Link TL-WN722N also, trying to download 1000mb test file on both adapters (http://ipv4.download.thinkbroadband.com/1GB.zip) TP-Link downloads with 3.4 MB/s Alfa downloads with 250 kb/sI have changed the USB cable with USB Y-cable, not changing anything.I made further tests and plugged my TP-Link adapter (Atheros chipset) and everything seems fine.There are mixed responses and solutions for my situtation, i have tried all. (Disabling network-manager, setting TX power, trying to install drivers which is unnecessary on Kali)I am willing to order a new adapter if Alfa is really buggy on Kali (or any OS) If you have a brand/model suggestion for ARP poisoning purposes, that would be great. However, i would like to find a solution and the root of issue.Any ideas on my situtation?I can send detailed logs, even enable remote vnc or anything to resolve this.Thank you all. Quote Link to comment Share on other sites More sharing options...
cooper Posted March 10, 2015 Share Posted March 10, 2015 Given the fact that it sort-of works, either you've bought a dud or the antenna isn't connected properly. Quote Link to comment Share on other sites More sharing options...
martyr Posted March 10, 2015 Author Share Posted March 10, 2015 Hello Cooper, All physical connections are ok, i have changed 3 more usb cables to make sure. No luck. Quote Link to comment Share on other sites More sharing options...
cooper Posted March 10, 2015 Share Posted March 10, 2015 I'm thinking dodgy card. Where did you get it from? Quote Link to comment Share on other sites More sharing options...
martyr Posted March 10, 2015 Author Share Posted March 10, 2015 From an authorized seller, i am going to return it and replace it with AWUS036NHA What you think? Quote Link to comment Share on other sites More sharing options...
i8igmac Posted March 11, 2015 Share Posted March 11, 2015 (edited) I own nha and the classic h, and currently looking to replace this device with a more stable usb adapter...I feel I have tried everything...I'm running raspberry pi as a long range repeater...So, range maybe the actual problem, More effected by interference...Dmesg shows usb disconnects after 500 Ms...There are so many threads out there related to this one! I have tried a few drivers -Dwext -Dnl80211 and a few versions of ath9k_htc... I'm now on the hunt for a more stable adapter with a removable antenna Edit, some test/tools i have been using... mtr 192.168.0.1 (testing watch for packet loss with the destination router)a Must watch iperf can test your actual max badwidth with a local machine... you can try this test on the localrouter iperf -c 192.168.0.1 -f M -p 22 10.0 sec 6129496063 MBytes 612924783 MBytes/sec the ssh service running on port 22 will not respond with the actual badwidth, ssh will only respond as quick as the software is capable... if you have another machine on the network, you can then test 2 machines with iperf iperf -s -p 666 iperf -c 192.168.96.100 -f M -p 666 Edited March 11, 2015 by i8igmac Quote Link to comment Share on other sites More sharing options...
digip Posted March 11, 2015 Share Posted March 11, 2015 Can you open wireshark and run a capture from the card in monitor mode and managed mode, capturing both interfaces and check for deauth packets? Maybe someone in your area is knocking you off the network, or you just have weak signal to the AP/interference? Quote Link to comment Share on other sites More sharing options...
cooper Posted March 11, 2015 Share Posted March 11, 2015 If you're considering replacing, check out this post that lists anecdotal evidence of a number of interesting cards and their strengths and weaknesses. Quote Link to comment Share on other sites More sharing options...
martyr Posted March 11, 2015 Author Share Posted March 11, 2015 Hello, @digip: Well this is not a signal issue i guess, because i am testing realtime with my other adapter TL-WN722N which is REALLY small, tiny adapter. Works x5 better than AWUS036H. @Cooper: Thanks for the link. Seems AWUS036NHA is the best choice between Alfa products :) Quote Link to comment Share on other sites More sharing options...
i8igmac Posted March 11, 2015 Share Posted March 11, 2015 Hello, @digip: Well this is not a signal issue i guess, because i am testing realtime with my other adapter TL-WN722N which is REALLY small, tiny adapter. Works x5 better than AWUS036H. @Cooper: Thanks for the link. Seems AWUS036NHA is the best choice between Alfa products :) Nha is a good device, there are reported problems, i experience a large amounts of usb disconnects/500ms... all over Amazon reviews and online forums! Thanks to the link Cooper shared, rnx-600ub maybe my next purchase, I'm looking for long-term connectivity... dissconnects are getting old and frustrating The nha does Show a low signal strength but still has great speeds Quote Link to comment Share on other sites More sharing options...
martyr Posted March 23, 2015 Author Share Posted March 23, 2015 NHA just arrived. Yeah, low signal and less AP detection. but who cares? great speed and stability. you don't have to see unnecessary APs anyway. Quote Link to comment Share on other sites More sharing options...
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