Enhance Linuxbox Security : Know all services listening on some ports.

There is a inbuilt tool used in Linux that can be used to list the services listening on some ports of your system. This is important because of the following reasons:

• Any malware or spyware compromising your security can be noticed & traced. 
• Check on the (unencrypted) packets which can be easily sniffed in open (wifi) network.

 Netstat is the tool. Execute the command to list the services which are listening to some ports.

$netstat -nap