Enable Monitor Mode for WiFi Adapter

Monitor mode or RFMON (Radio Frequency Monitor) mode, enables a device with a wireless network interface controller to monitor all traffic received from the wireless network.
RFMON mode is not really a wireless mode but it is especially important in attacking wireless networks. In a nutshell, it allows a wireless card to “monitor” the packets that are received without any filtering.
  • Open Terminal or Terminator.
  • Type, ifconfig and get the name of the wireless adapter. Example: wlan0
  • Turn down your wireless adapter using the following code. 
    • Syntax: ifconfig <adapter_name> down
    • Example: ifconfig wlan0 down
  • Type, airmon-ng check kill (This will kill all the interfaces which could interfere with our result).
    • Changing mode from Managed to Monitor:
      • Syntax: iwconfig <adapter_name> mode monitor
      • Example: iwconfig wlan0 mode monitor
    • Turning the wireless adapter up.
      • Syntax: ifconfig <adapter_name> up
      • Example: ifconfig wlan0 up
    You can change Wi-Fi Adapter back to normal by following the same steps. Only change the second step from mode monitor to mode managed.

    Video Tutorial

    We hope this helps. If any suggestions or doubts you can add a comment and we will reply as soon as possible.

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