Category: Networking Topics

Wireless Networking: Understanding Various Wireless LAN Technologies

Wi-Fi is a type of wireless technology that uses radio waves to provide connectivity to a wired network or the Internet. At home, the office, or a cafe, Wi-Fi is responsible for providing connectivity to our wireless devices. This is a type of technology that many take for granted. This post is intended to help ...

VLAN Configurations, Trunk Links, and 802.1q Encapsulation

A "VLAN" is short for a "Virtual Local Area Network." You can think of them just like an ordinary LAN where each LAN is its own subnet and broadcast domain; however, a VLAN is a virtual LAN. Take a look at the network design below. This is a 10.0.0.0/24 network, which gives us 1 subnet ...

PenTest Edition: Create Evil Twin Using dnsmasq and hostapd

As promised in Creating an Evil Twin or Fake Access Point Using Aircrack-ng and Dnsmasq [Part 2 - the Attack], here is another way we can create an evil twin. In this demonstration, I am going to use hostapd instead of Aircrack-ng. I personally think hostapd is better solely due to the fact that we can ...

PenTest Edition: Creating an Evil Twin or Fake Access Point Using Aircrack-ng and Dnsmasq [Part 2 – the Attack]

If you haven't already begun the initial startup, you'll need to go back to PenTest Edition: Creating an Evil Twin or Fake Access Point Using Aircrack-ng and Dnsmasq [Part 1 - Setup] and update Aircrack-ng and configure the dnsmasq configuration file. After that, you can come back here and begin the attack. The information provided ...

PenTest Edition: Creating an Evil Twin or Fake Access Point Using Aircrack-ng and Dnsmasq [Part 1 – Setup]

Before I start, I hope you already have a great understanding of 802.11 networks! A "Fake Access Point (AP)" is a type of wireless network attack in which an attacker uses software to create a malicious AP that is live and broadcasting out to wireless clients. Fake APs are rogue, and often times, the Service ...