Hello! I need a solution to determine whether a WiFi is using WEP. I know there is a protection flag within MAC frame but do not know how to access. To detect whether a WiFi i protected by WPA2 I found the following solution: Scan with nl_sock* socket = nl_socket_alloc(); genl_connect(socket); struct nl_msg* msg = nlmsg_alloc(); int driverId = genl_ctrl_resolve(socket, "nl80211"); genlmsg_put(msg, 0, 0, driverId, 0, 0, NL80211_CMD_TRIGGER_SCAN, 0); and fetch with genlmsg_put(msg, 0, 0, driverId, 0, NLM_F_DUMP, NL80211_CMD_GET_SCAN, 0); Read the received structure using nl80211_bss:: NL80211_BSS_INFORMATION_ELEMENTS from nl80211.h and examine the field RSN(id=48) (see IEEE802.11-2012.pdf, chapter 8.4.2 Information elements) Which netlink command gives me the related data? Is it NL80211_CMD_GET_BEACON? Regards, Thomas E-Mail: th-thielemann@xxxxxx
