Hello,
I have tried the @enrico approach, and I have installed fail2ban through console, but it does not helped.
After running command
#sudo fail2ban-client start
I receive the following message:
2022-05-05 16:46:20,879 fail2ban.configreader [817512]: ERROR Found no accessible config files for 'fail2ban' under /etc/fail2ban
2022-05-05 16:46:20,879 fail2ban.configreader [817512]: ERROR No section: 'Definition'
2022-05-05 16:46:20,879 fail2ban.configreader [817512]: ERROR No section: 'Definition'
2022-05-05 16:46:20,879 fail2ban.configreader [817512]: ERROR No section: 'Definition'
2022-05-05 16:46:20,880 fail2ban.configreader [817512]: ERROR No section: 'Definition'
2022-05-05 16:46:20,880 fail2ban.configreader [817512]: ERROR No section: 'Definition'
2022-05-05 16:46:20,882 fail2ban.configreader [817512]: ERROR No section: 'Definition'
2022-05-05 16:46:20,882 fail2ban.configreader [817512]: ERROR No section: 'Definition'
2022-05-05 16:46:20,882 fail2ban.configreader [817512]: ERROR No section: 'Definition'
2022-05-05 16:46:20,882 fail2ban.configreader [817512]: ERROR No section: 'Definition'
2022-05-05 16:46:20,882 fail2ban.configreader [817512]: ERROR No section: 'Definition'
2022-05-05 16:46:20,882 fail2ban.configreader [817512]: ERROR No section: 'Definition'
2022-05-05 16:46:21,085 fail2ban [817512]: ERROR NOK: ("int() argument must be a string, a bytes-like object or a number, not 'NoneType'",)
Server ready
In the panel I can not setup anything. Update through panel is also not working.