Wireshark FILTER : Client Probe Request (wlan_mgt.tag.number == 0 && ! wlan_mgt.ssid == “”) && (wlan.fc.type_subtype == 0x0004) FILTER : Router SSID Broadcast ((! wlan_mgt.ssid == “”) && (wlan_mgt.tag.number == 0)) && (wlan.fc.type_subtype == 0x0008)