Warning! There are spoilers ahead
You can use the netcat program on your computer to listen.
$ nc [url] [port]
_ _ _ ____ _ _
| | | | __ _ ___| | _| _ \ __ _| | |_ ___ _ __
| |_| |/ _' |/ __| |/ / | | |/ _' | | __/ _ \| '_ \
| _ | (_| | (__| <| |_| | (_| | | || (_) | | | |
|_| |_|\__,_|\___|_|\_\____/ \__,_|_|\__\___/|_| |_|
Welcome to HackDalton. Your first flag is:
hackDalton{h3ll0_w0rld_CBkJk20B-G}As you can see, the flag is hackDalton{h3ll0_w0rld_CBkJk20B-G}.