iptables设置封未知IP

in linux with 0 comment

主要针对恶意访问web的IP

#!/bin/sh /bin/netstat -an | grep ESTABLISHED | awk '{print $5}'|awk -F: '{print $1}'|sort|uniq -c|sort -rn|head -10|grep -v -E '192.168|127.0'|awk '{if ($2!=null && $1 > 4) {print $2}}' > /usr/local/dropip.txt for i in $(cat /usr/local/dropip.txt) do iptables -I INPUT -s $i -j DROP echo "$i kill at `date`" >> /var/log/ddos done

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