How to Find Users Who Have Opened a TCP Connection to Your Server on a Certain Number

Finding multiple connections to your server over an IP can always be useful. In many cases, when you receive a DDOS attack, you will see multiple connections over an IP. A command that can be very useful, especially in such a case. For example, you want to list IPs that open more than 50 connections on your server. In this case, you can use the following code;



When you execute the command, you receive an output similar to the following; (Of course, if more than 50 connections are available from a single IP)



If we only want to list the IPs, then we need to change the last line in the command as follows;

So we only see the connecting IP addresses.



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