Ah legacy systems.

All the young kids use ::1

Hacking.

There is no way that you keyboard danced for 12 seconds and completed a nmap scan, identified an unpatched target with a remote code execution bug, delivered the payload, pivoted to an account with the permissions you needed, and found the server running the internal application you are looking for.

Alternative, get one with a USB port and load a USB stick with MP3.