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How to check if your Linux server is under DDOS Attack?

Login to your server as root and fire the following command, using  which you can check if your server is under DDOS attack or not: netstat -anp |grep ‘tcp\|udp’ | awk ‘{print $5}’ | cut -d: -f1 | sort | uniq -c | sort –n This command will show you the list of IP’s which have logged in is maximum number of connections to your server. ddos becomes more complex as attackers ...
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