How to see the log for failed wireless connection attempts

[CrimsonArrow]

Hi,
I'm using Merlin Firmware 3006.102.5 on AX88U Pro.
Due to some annoying events like disruption in 5GHz, I started MAC address filter on 5GHz (allow).
To find out MAC addresses for devices trying to connect, I need to see the log for wireless connection attempts.
But I could not find log for failed wireless connection attempts.
I changed "Default message log level" and "log only messages more urgent than", but there was no big difference - no log for failed attempts.
Is there any way to log failed wireless connection attempts?

 

[ColinTaylor]

1) Your log levels are set incorrectly. You've effectively disabled logging of all messages apart from emergency ones. Change "Default..." back to "notice" and crucially, change "Log only..." to "all".

2) Because you're using MAC filtering it's unlikely you will see any messages in the log for failed connections.

 

[CrimsonArrow]

1) Your log levels are set incorrectly. You've effectively disabled logging of all messages apart from emergency ones. Change "Default..." back to "notice" and crucially, change "Log only..." to "all".

2) Because you're using MAC filtering it's unlikely you will see any messages in the log for failed connections.

Thanks a lot for your comment.
I did all changes. The image above is just an example.

I don't know why, with MAC filtering, the log for failed connection attempts are suppressed.
- To find out the MAC address for an device with unknown MAC
- Attempt failed with registered MAC but incorrect WiFi password

I have been struggled from possible WiFi attack. With MAC filtering, interruption is less but big headache is to update MAC addresses.
As the log for failed attempts suppressed, I have to find out each device's MAC address. Apple devices drive me nuts.

 

[ColinTaylor]

I don't know why, with MAC filtering, the log for failed connection attempts are suppressed.

With MAC filtering (allow) enabled anything not in the allow list is rejected by the Wi-Fi hardware. Therefore the router itself never gets to see the connection attempt, hence it's not possible to log it.

 

[degrub]

and IOS devices (and some Android) now randomize their mac address. So what you might think is an attack may just be a phone or tablet trying to connect with a different random mac address and getting rejected because of the mac filtering in place. You have to manually set on each device to not randomize the mac address.