CODE Banning an IP iptables -A INPUT -p all -s IPHERE/32 -j DROP CODE Unbanning and IP iptables -D INPUT -p all -s IPHERE/32 -j DROP CODE Listing the last five ip’s with the most connections netstat -atnp -A inet | grep “:80″ | awk -F ” ” ‘{print $5} ‘ | awk -F “:” [...]