Capturing WLAN Packets using WireShark

If you are studying for CCNP Wireless or CWNP Certification, an essential part of the study process is actually getting to lab it all out so as to understand the concepts. I noticed that my Wireshark output lacked the 802.11 management or control packets while trying to capture Open System Authentication process. This blog will explain … Continue reading Capturing WLAN Packets using WireShark

CWNP’s CWSP-205 Official Study Guide Book Review | Part 1

When I think of the CWNP Program, I think of actual Wireless knowledge that Vendor oriented programs have failed to deliver. I have always used CWNP books to complement information that was missing during my past CCNP Wireless exams (2 more to go). It was therefore only logical that I would turn to their CWSP book … Continue reading CWNP’s CWSP-205 Official Study Guide Book Review | Part 1

CWNA Summary Notes: Legacy 802.11 Security | Legacy Authentication

Legacy Authentication Legacy authentication methods were more of an authentication of capability (verification between two devices that they were valid 802.11 devices) and not so much an authentication of user identity. They are of two types: Open System Authentication It provides authentication without performing any form of user verification Involved a 2 way exchange between … Continue reading CWNA Summary Notes: Legacy 802.11 Security | Legacy Authentication

CWNA Summary Notes: 802.11 Network Security Architecture

Components of a Secure Network Required components when securing a network are: Data Privacy and Integrity Access to Wireless medium is unrestricted hence the use of cipher encryption technologies is needed for proper data privacy. A cipher is an algorithm that is used to perform encryption: RC4 algorithm ( Ron's Code / Rivest Cipher) It encrypts … Continue reading CWNA Summary Notes: 802.11 Network Security Architecture