Fail2Ban

LOGs prüfen

cat /var/log/messages | grep -i ban | grep -i warn

zeige aktuell gesperrte IP-Adressen

iptables --list -nv | less

zum entsperren

Mail

fail2ban-client set sasl-iptables unbanip 87.178.174.171

SSH

fail2ban-client set ssh-iptables unbanip 37.218.252.26

FTP

fail2ban-client set proftpd-iptables unbanip 62.40.147.223

Plesk

fail2ban-client set plesk unbanip 84.191.239.173

IP sperren

iptables -I INPUT -s 37.49.224.104 -j DROP

IP Entsperren

iptables -D INPUT -s 91.200.12.140 -j DROP

LOGs prüfen

cat /var/log/messages | grep -i ban | grep -i warn