WPA2 - RSN Information Element
Within certain WLAN management frames (Beacons, Probe Response, Association Request, and Reassociation Request), there is the Robust Security Network Information Elements (RSN IE) in Wi-Fi Protect Access 2 (WPA2) capable networks. It sits in the Tagged Parameters part of the frame and displays the security capabilities of its associated Basic Service Set (BSS). Robust Secure Network (RNS) was created within the 802.11i amendment, Wired Equivalent Privacy (WEP) is not considered a valid Robust Secure Network (RSN) due to security vulnerabilities which is one of the main reasons for 802.11i being created in the first place and a result will not contain any RSN information. There are three sections that we are going to look at today those being the Pairwise Cipher Suite, Group Cipher Suite, and the Authenticated Key Management (AKM) suite with the overall layout of all three shown below from a packet capture I did. Depending on the configuration of the BSS (Personal and Enterprise) t...