From their Github
A multifunction Discord bot
No port are required to run Red.
if you want to use the internal Lavalink Server, you need to allocate port 2333 as primary
When using the Audio Cog the bot will attempt to save files to /tmp resulting in a disk space error. To resolve this error you must increase the size of tmpfs using custom container policy.
For additional details see: https://pterodactyl.io/daemon/0.6/configuration.html#container-policy