How To Check Wifi Monitor Mode in Linux

  • open a terminal window
  • execute the following command:
wassim@wassim-PC:~$ iw list

You will get a list of supported capabilities:

wassim@wassim-PC:~$ iw listWiphy phy0	max # scan SSIDs: 4	max scan IEs length: 2257 bytes	max # sched scan SSIDs: 0	max # match sets: 0	max # scan plans: 1	max scan plan interval: -1	max scan plan iterations: 0	Retry short limit: 7	Retry long limit: 4	Coverage class: 0 (up to 0m)	Device supports RSN-IBSS.	Device supports AP-side u-APSD.	Device supports T-DLS.	Supported Ciphers:		* WEP40 (00-0f-ac:1)		* WEP104 (00-0f-ac:5)		* TKIP (00-0f-ac:2)		* CCMP-128 (00-0f-ac:4)		* CCMP-256 (00-0f-ac:10)		* GCMP-128 (00-0f-ac:8)		* GCMP-256 (00-0f-ac:9)		* CMAC (00-0f-ac:6)		* CMAC-256 (00-0f-ac:13)		* GMAC-128 (00-0f-ac:11)		* GMAC-256 (00-0f-ac:12)	Available Antennas: TX 0x1 RX 0x1	Configured Antennas: TX 0x1 RX 0x1

My wifi card is named phy0. Under the name of your wifi card look for the line “supported interfaces modes”:

Supported interface modes:		 * IBSS		 * managed		 * AP		 * AP/VLAN		 * monitor		 * mesh point		 * P2P-client		 * P2P-GO		 * outside context of a BSS

Notice that monitor mode is supported:

Supported interface modes:		 * IBSS		 * managed		 * AP		 * AP/VLAN		 * monitor		 * mesh point		 * P2P-client		 * P2P-GO		 * outside context of a BSS

So my Linux Mint version supports WLAN monitor mode. My Linux version is:

wassim@wassim-PC:~$ uname -srmLinux 5.4.0-65-generic x86_64

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