Solved User unable to log in but no ip blacklisted

[Philein]

Hey everyone. One of my users is unable to log in.
The red error message says "the IP is blacklisted," but there are no blacklisted IPs in the admin panel.
I tried to reset their password, but I am unable to do so because the reset password page is behind the login screen.
What can I do?

 

[bitn2]

In this case, the participant's public IP will be on the global blacklist. There is nothing you can do about it other than use a different public IP.

 

[NikosT_3CX]

@Philein if they use any "free" VPN tool just remove it and try to connect again.
You can change between wifi and 5G in order to change public ip address.

 

[Philein]

It was indeed its ISP. Thanks everyone!