Find which ports are open on your Ubuntu Linux server

To find which ports are up and running on your Ubuntu Linux server - use these 2 commands:

sudo netstat -ltup
sudo lsof -i

This is useful to check if your server is being used as a Bittorrent e6969 is the default port for the most famous bittorrent tracker software.

Stack Exchange Reference: https://askubuntu.com/questions/530558/what-is-acmsoda-running-on-port-6969

• Tips Blog
• 28th Dec, 2022
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