Probe Request Frame ^hot^ Link

A is a management frame in 802.11 Wi-Fi networks. A wireless device (station) sends it to discover available Wi-Fi networks in its vicinity. It’s essentially a “scanning” message: “Is there any network (or a specific network) out there?”

Any AP that hears the Probe Request and matches the SSID (or hears a broadcast SSID request) will reply with a containing network details (capabilities, security type, etc.). probe request frame