Wi‑Fi Quiz Challenge: Test Your Wi-Fi Knowledge
I’ve put together a series of Wi‑Fi quizzes to challenge what you actually know, whether you’re just getting started or have years of real-world experience under your belt. Whether you’re new to Wi‑Fi...
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Wi-Fi 7 & Enhanced Open : Does MLO work?
Public Wi‑Fi is finally growing up. The era of wide‑open networks exposing your data is ending, thanks to mandatory security standards in the 6 GHz band. As we move into Wi‑Fi 7, we’re also...
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Want a Career in Wi-Fi? Start Here
I still feel a lot of people aren’t aware of the learning paths available for those who want to pursue a career in Wi-Fi. So in this post, I’m outlining some of those paths to help anyone considering...
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Rockstar WLAN Analysis
I am excited to announce my recent digital course development for WiFi Training – Rockstar WLAN Analysis. It is developed for anyone to begin WiFi frame analysis & become a master of the subject....
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Fast Roaming Lessons
To continue the development of digital-courses for WiFi Traning, I have developed my 2nd digital course named “Fast Roaming Lessons“. It is around 5hrs of video training that covers all grounds of...
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WPA3 Lessons
If you follow my recent blog posts, you are aware that I posted series of blog posts about new security enhancements like Enhanced Open, WPA3. I have to do one more post about WPA3-Enterprise to...
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WPA3-SAE Transition Mode
In this post we will look at WPA3-SAE Transition Mode implementation. Here is WiFi Alliance specification for WPA3-SAE Transition Mode requirement. • When WPA2-PSK and WPA3-SAE are configured on the...
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WPA3-SAE Mode
In this post, we will look at WiFi Alliance WPA3-SAE (also known as WPA3-Personal) to replace WPA2-Personal which is susceptible to offline dictionary attack. It is based on SAE – Simultaneous...
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Enhanced Open – Part 2
In this post we will look at “Enhanced Open – Transition Mode“. It is designed to increase adaptability of Enhanced Open network even all devices in a network not supporting it. As of today all client...
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Enhanced Open – Part 1
In this post we will look at WiFi Alliance (WFA) new certification called “Enhanced Open” for Wireless networks. WFA introduced it in June 2018 (Read public announcement from here) & meant to...
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WLC Client Debug – Part 3
Here is the final part of WLC client debug series. Yes it took very long time for me to publish it (many of you asked for it & I could not ignore your request) I have used Cisco 3702 AP (managed...
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Story of CWNE-153
After one month of wait, finally I got my CWNE result today & become CWNE#153. In this post I would like to summarize my CWNE journey as it may give some inspirations for future CWNEs. Even though...
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CWSP-SOHO 802.11 Security
Here is my notes on Chapter 6 – SOHO 802.11 Security of CWSP Official Study Guide. * WPA/WPA2-Personal is the most common security method used in SOHO environment. * WPA2-Personal use CCMP/AES where as...
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How to Study for CWSP ?
In this post I am going to describe the way I am studying for CWSP (Certified Wireless Security Professional) certification. I used only self-study method by going through the CWSP Official Study Guide...
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CWSP – TKIP Encryption Method
Here is my notes about Chapter 3 (Encryption Ciphers & Methods) of CWSP Study Guide. Symmetric & Asymmetric Algorithms In symmetric algorithm, both the encrypting & decrypting parties share...
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CWSP – 802.11k AP Assisted Roaming
IEEE 802.11k-2008 defines Radio Resource Management (RRM) mechanism that enable 802.11k capable client’s radio to better understand the RF environment that they exist which will help clients to have...
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CWSP – PMK Caching & Preauthentication
PMK Caching & Preauthentication are two different methods defined in IEEE 802.11-2007 to allow fast secure roaming. PMK Caching: In PMK Caching AP & client station maintain PMKSA for a period...
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CWSP-802.11r Over-the-DS FT
In this post we will see how “Over-the-DS Fast BSS Transition” works. We will use the same topology as shown below. Originally Client is associated to LAP2 & then roam to LAP1.One thing you have to...
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CWSP-802.11r Over-the-Air FT
In this post we will see how 802.11r Over-the-Air Fast BSS Transition works. We will use same topology & base configuration used for the previous post. First I have to disable “Over-the-DS” feature...
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CWSP-802.11r FT Association
In this post we will see how 802.11r supported client first associate to an SSID configured for 802.11r FT support. I have used 3850 (running on IOS-XE 3.6) as my WLC. Not all wireless clients support...
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