@ Maki4748’s post fixed podman for me. Here is the podman-compose.yml file I’m using with rootless podman on RHEL 9:
version: "3.8"
services:
  teamspeak:
    image: teamspeaksystems/teamspeak6-server:latest
    container_name: teamspeak-server
    restart: unless-stopped
   # ports:
   #   - "9987:9987/udp"   # Voice Port
   #   - "30033:30033/tcp" # File Transfer
   #   - "10080:10080/tcp" # Web Query
    network_mode: host
    environment:
      - TSSERVER_LICENSE_ACCEPTED=accept
    volumes:
      - /your/directory/here:/var/tsserver:Z
volumes:
  teamspeak-data:
I have network_mode: host there, allowing me to port forward on the firewall side