2-5 People dos my server all times and other want hack my system (
Jan 15 04:29:21 root sshd[------]: Failed password for root from 88.150.230.42 port 36453 ssh2
Jan 15 04:29:21 root sshd[------]: Connection closed by 88.150.230.42 [preauth])

How can i ban
Automatic VPNs?
i dont want write all times iptables iptables -A INPUT -s 88.150.230.42 -j DROP.
Greets stauffi