Archive for the tag 'wifi'

 

 

Dec 09 2009

Atheros Wireless Interface on Linux Ubuntu

Published by under Linux

I was surprised ifconfig wouldn’t return an interface for my Atheros chipset based Netgear wireless card. Unlike Redhat, Madwifi does not seem to compile on Ubuntu, no matter what version is used. Kernel headers installed, I keep getting the same error: /root/madwifi-0.9.4/net80211/ieee80211_power.c: In function ‘ieee80211_pwrsave’: /root/madwifi-0.9.4/net80211/ieee80211_power.c:240: error: implicit declaration of function ‘__skb_append’ make[3]: *** [/root/madwifi-0.9.4/net80211/ieee80211_power.o] […]

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Sep 04 2009

Configure WPA on Linux Howto

Published by under Linux,Security

WPA encryption is not much hassle to set up and is way more secure than WEP if you use a strong pre-shared key.   First off, we’ve got a wifi interface that can be displayed with iwconfig (from the wireless tools): [root@db ~]# iwconfig lo no wireless extensions. eth0 no wireless extensions. ath0 IEEE 802.11g […]

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Aug 09 2009

How to crack a WEP key and decrypt live traffic

Published by under Linux,Security

Cracking a WEP key is extremely easy and is a matter of a few seconds. Truth? Pretty much… We are going to decrypt traffic in real time as well without even needing to connect to the wireless access point.   All steps will be run under root super-user as interfaces state needs to be changed. […]

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