@Clive_A It worked properly. Thank you for your helpful approach in fixing this issue. Your solution is incredibly valuable and truly appreciated. Thanks again. Best Regards!

@Clive_A Please check your inbox. I have already sent the router configuration backup file. The firmware version of the router is 1.4.1 Build 20240117 Rel.57421, and the hardware version is V1.0....

@Clive_A Thank you again for your kind reply. After resetting the ER7206 router to factory default settings and conducting additional tests, I did not create any user accounts for authentication on...

@Clive_A Thank you again for your kind reply . I believe the most effective approach is to utilize DPI (Deep Packet Inspection) and ACL (Access Control Lists) to prevent web authentication bypass...

@Clive_A Due to government restrictions, social media platforms like Facebook and informational resources such as Wikipedia are inaccessible in our country. Consequently, all users resort to VPNs...

As the Wi-Fi service provider, we've discovered a problem. Even though users should log in with a username and password, they can avoid this by using Psiphon VPN. This means they get internet access...