The following story is fiction. We have an IT security compagny with 1000 employees. In our office, we don’t have a big wired infrastructure, we have high density wifi. Security is based on WPA2-enterprise. To access wifi, internet, intranet, mail and office applications we use one single account…….. Be aware of the man with the […]
Read More →In example below we send a ping from host A to host B. Host A doesn’t have an ARP entry for host B. Host B doesn’t have an ARP entry for host A. Step 1. Host A sends an ARP request for host B. Step 2: Host B stores the MAC – and IP address […]
Read More →In case of no encryption iw dev <device> connect <ssid> [<bssid>] Why bssid? In case you have multiple access points, you can specify a specific accesspoint. If you have just one, there’s no need to specify. i.e. iw dev wlan0 connect Freewifi 40:A5:EF:25:BF:12 In case of WPA/WPA2 apt-get install wpasupplicant wpa_passphrase <ssid> [passphrase] i.e. wpa_passphrase MyWifi Welcome123 Copy output to file wpa_supplicant […]
Read More →With linux we can change the MAC address of an interface via several methods: ifconfig <device> hw ether <mac address> ip link set <device> address <mac address> macchanger <device> <mac address> One disadvantage, we can only configure a unicast MAC address. It’s not possible to configure a non-unicast or bogus address. i.e. ifconfig eth0 hw […]
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