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Systematic EAPOL failure #220

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
reaver rev 112
RTL8187L
TL-WR940N
Signal -66dBm

reaver -i mon0 -c 4 -b F8:D1:11:2E:01:02 -N -vv

Trying pin 00195676
[+] Sending EAPOL START request
[!] WARNING: Receive timeout occurred
[+] Sending EAPOL START request
[!] WARNING: Receive timeout occurred
[+] Sending EAPOL START request
[+] Received identity request
[+] Sending identity response
[+] Received M1 message
[+] Sending M2 message
[+] Received M3 message
[+] Sending M4 message
[+] Received WSC NACK
[+] Sending WSC NACK
[+] Trying pin 00205672
[+] Sending EAPOL START request
[!] WARNING: Receive timeout occurred
[+] Sending EAPOL START request
[!] WARNING: Receive timeout occurred
[+] Sending EAPOL START request
[+] Received identity request
[+] Sending identity response
[+] Received M1 message
[+] Sending M2 message
[+] Received M3 message
[+] Sending M4 message
[+] Received WSC NACK
[+] Sending WSC NACK
[+] Trying pin 00215671
...

I know the signal is a bit low but why all pin tries are starting after third 
EAPOL request (1 pin/10+ sec)? Is the router limiting to 1 request per 10 sec ? 
This also happened with another router but that was failing 6 EAPOL requests (1 
pin/60+ sec). Then I managed to get a better signal (also was around -65dBm and 
got -57dBm) and the EAPOL failures disappeared.

If this is because of the signal strength how can it be so systematic ? I mean 
in both cases EVERY pin try was starting after 2 EAPOL failures, respectively 6.

Original issue reported on code.google.com by chrisdb...@gmail.com on 5 Feb 2012 at 6:49

GoogleCodeExporter commented 9 years ago 
[deleted comment]
GoogleCodeExporter commented 9 years ago 
Now I got -63dBm and no more EAPOL failures .. 1 pin/4 sec. So it is the signal 
strength, but why so systematic?

Original comment by chrisdb...@gmail.com on 5 Feb 2012 at 7:12

GoogleCodeExporter commented 9 years ago 
Please read http://sviehb.files.wordpress.com/2011/12/viehboeck_wps.pdf

The hardware of some APs are not very good, low cache, low memory.

In your case, I believe it will have to be patient. Gradually you get it

Original comment by gcarval...@gmail.com on 7 Feb 2012 at 4:31