> You can confirm this server is present by running lsof -i :19421 in your terminal. Might be good to specify what the output would be if the vulnerability is

> You can confirm this server is present by running lsof -i :19421 in your terminal. Might be good to specify what the output would be if the vulnerability is present or not, like this: "If the server is running on your machine, you'll get a line specifying which process is listening to that port. If the command returns empty, your machine is not vulnerable."