How can I check to see if my server is under a DDoS attack? Posted by Sean on July 31, 2010 Issue the following command on your server: netstat -apln | grep :80 | sort | awk {'print $5'} | cut -d : -f1 | sort | uniq -c | sort -n Tags: server, ddos, netstat Please enable JavaScript to view the comments powered by Disqus.