Get Detailed Information About Particular IP address Connections Using netstat Command
netstat command and shell pipe feature can be used to dig out more information about particular IP address connection. You can find out total established connections, closing connection, SYN and FIN bits and much more. You can also display summary statistics for each protocol using netstat.
This is useful to find out if your server is under attack or not. You can also list abusive IP address using this method.# netstat -nat | awk '{print $6}' | sort | uniq -c | sort -n
Output:
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