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cannot capture packets from wifi router (Netgear WNDR3700).
From: Philip Anil-QBW348 <anil.philip () motorolasolutions com>
Date: Wed, 30 Nov 2011 17:58:43 -0500
I am connected to my wifi network (Netgear WNDR3700) using ubuntu 10.10. The NIC is Intel Centrino Advanced-N 6200 AGN.The protection is WPA2-auto. I want to capture packets from it. $ sudo iwconfig wlan0 mode monitor $ sudo wireshark I try to capture from wlan0. Am connected to the wifi network with an android phone and browsing websites. However I am unable to see unencrypted http packets. I select Edit|Preferences|Capture|Protocols and select 802.11 and select check box to yes for 'decrypt packets'. Still nothing. I tried again ensuring that I performed the above steps before connecting to the wifi network from my phone. I see only mdns packets. They are unencrypted - perhaps they are being decrypted correctly. In the details pane, I see they are Queries: type PTR, class IN, "QM" question I browse to a web server from my phone on the same network. I bring up the website (http clear, not https). I browse successfully, but do not see any http packets in wireshark. 5 96.017187 10.42.43.1 224.0.0.251 MDNS Standard query PTR _sane-port._tcp.local, "QM" question To troubleshoot, I try switching the channel from 1,2,3 since in Wifi Analyzer on my phone, I can see that the network occupies channels 0-3 sudo iwconfig wlan0 channel 1 Still does not work. Any help appreciated. Anil
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