DDOS Attack detection with netstat
I have a server, today load of my server over 20, i was found a command that detect alive connection to server for DDOS detection and reject IP.

    netstat -anp | grep 'tcp\|udp' | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n

and result of this command was:

      1 109.162.158.160
      1 109.162.192.55
      1 127.0.0.1
      1 206.217.193.220
      1 91.99.170.69
      2 66.197.219.236
      5 213.152.172.169
     32 0.0.0.0
    583 
583 connection without IP, how can i fix this problem? server load over 20

tnx for your help.
DDOS Attack detection with netstat
===

I have a server, today load of my server over 20, i was found a command that detect alive connection to server for DDOS detection and reject IP.

    netstat -anp | grep 'tcp\|udp' | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n

and result of this command was:

      1 109.162.158.160
      1 109.162.192.55
      1 127.0.0.1
      1 206.217.193.220
      1 91.99.170.69
      2 66.197.219.236
      5 213.152.172.169
     32 0.0.0.0
    583 
583 connection without IP, how can i fix this problem? server load over 20

tnx for your help.