It is quite common at present in different attacks on our servers, and although not necessarily attacks, is always curious to know who (whom) are connected to our Linux server, it is therefore, to disclose how.
The netstat command provides information about reliable connections to our team penguin, and by the following command tells you what you need to know.
The command is:
netstat netstat
-anp |grep ‘tcp\|udp’ | awk ‘{print $5}’ | cut -d: -f1 | sort | uniq -c | sort –n
And the result will be, depending on the amount of connections to our team, similar to the following:
Hide the real IP addresses, for obvious security reasons
And so, we have taken a new step in the control of our servers.
Hacking a greeting …
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