Grafana log debian 10

Hi everyone i use grafana on Debian10
I want to log the connections on the grafana server. what tools you advise me to install.
I try Liko but i did have really understand the principle.

I want to use an tools which can filters all trafics to ban (suspicious connections with maximum retry attempts) adresse IP like fail2ban with SSH (with options bandtime, findtime and maxretry)