Find listening network ports

Hi, To obtain a list of all the open ports of your system and which are the associated applications to them just execute command: netstat -tulp ip or nmap -sT -O ip 9 may 2022 update: As @rogierm points out, netstat is obsolete and its replacement is ss. Then the equivalent command to with ss would be: $ sudo ss -tulp You can read more about this topic here: difference between