Gluetun port forwarding not seeming to work

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Hi,

I've read I think all posts in this forum related to this problem and whatever I try, I do not get it to work. ChatGPT and Gemeni were also useless in this scenario unfortunately, so I hope for someone to spot the error.
The situation:
- I have a port forwarded in the client area
- Connection is made successfully (confirmed in AirVPN portal)
- Gluetun is configured to accept this port in the firewall (confirmed in the logs)
- Port check on the AirVPN website comes back negative (Connection refused, hinting at issues with the gluetun config)
- QBittorrent download port correctly configured but shows red connection on 'tun0' interface, any interface shows yellow (firewalled). Set to listen to IP4 addresses
- IP is verified to come through VPN in all containers I expect them to, prowlarr has no issues with traffic for example

I don't understand what I am missing. Would someone be able to spot the issue? Please let me know if you require more details!

docker-compose.yaml

networks:
  arr-network:
    driver: bridge
    ipam:
      driver: default
      config:
        - subnet: "172.30.172.0/24"
    enable_ipv6: false
services:
  gluetun:
    image: qmcgaw/gluetun:latest
    container_name: gluetun
    cap_add:
      - NET_ADMIN
      - SYS_MODULE
    devices:
      - /dev/net/tun:/dev/net/tun
    environment:
      - VPN_SERVICE_PROVIDER=airvpn
      - VPN_TYPE=wireguard
      - WIREGUARD_PUBLIC_KEY=$airvpn_wg_pub_key
      - WIREGUARD_PRIVATE_KEY=$airvpn_wg_priv_key
      - WIREGUARD_PRESHARED_KEY=$airvpn_wg_preshared_key
      - WIREGUARD_ADDRESSES=$airvpn_wg_addresses
      - SERVER_COUNTRIES=Sweden
      - FIREWALL_VPN_INPUT_PORTS=49192
      - FIREWALL_OUTBOUND_SUBNETS=192.168.2.0/24,172.30.172.0/24
      - DNS_ADDRESS=$airvpn_dns
      - TZ=$timezone
    ports:
      - 9080:9080 # qbittorrent web GUI, port number can be changed BUT it must match WEBUI_PORT in qbittorrent service environment
      - 9696:9696
      - 49192:49192 # Also add to TORRENTING_PORT in qbittorrent
      - 49192:49192/udp
    networks:
      - arr-network
    volumes:
      - gluetun_config:/gluetun
    restart: unless-stopped
  qbittorrent:
    image: ghcr.io/linuxserver/qbittorrent:5.1.0
    container_name: qbittorrent
    cap_add:
      - NET_ADMIN
    network_mode: service:gluetun
    depends_on:
      gluetun:
        condition: service_started
    environment:
      - PUID=1000
      - PGID=997
      - TZ=$timezone
      - WEBUI_PORT=9080
      - DOCKER_MODS=arafatamim/linuxserver-io-mod-vuetorrent
      - TORRENTING_PORT=49192
    volumes:
      - qbit_config:/config
      - media:/media
    restart: unless-stopped
  prowlarr:
    image: lscr.io/linuxserver/prowlarr:latest
    container_name: prowlarr
    cap_add:
      - NET_ADMIN
    network_mode: service:gluetun
    depends_on:
      gluetun:
        condition: service_started
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=$timezone
    volumes:
      - prowlarr_config:/config
    restart: unless-stopped
  sonarr:
    image: ghcr.io/linuxserver/sonarr
    container_name: sonarr
    cap_add:
      - NET_ADMIN
    environment:
      - PUID=1000
      - PGID=997
      - TZ=$timezone
    volumes:
      - sonarr_config:/config
      - media:/media
    ports:
      - 8989:8989
    networks:
      - arr-network
    restart: unless-stopped
  radarr:
    image: ghcr.io/linuxserver/radarr
    container_name: radarr
    cap_add:
      - NET_ADMIN
    environment:
      - PUID=1000
      - PGID=997
      - TZ=$timezone
    volumes:
      - radarr_config:/config
      - media:/media
    ports:
      - 7878:7878
    networks:
      - arr-network
    restart: unless-stopped
  bazarr:
    image: lscr.io/linuxserver/bazarr
    container_name: bazarr
    cap_add:
      - NET_ADMIN
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=$timezone
    volumes:
      - bazarr_config:/config
      - media:/media
    ports:
      - 6767:6767
    networks:
      - arr-network
    restart: unless-stopped
volumes:
  gluetun_config:
  qbit_config:
  prowlarr_config:
  sonarr_config:
  radarr_config:
  bazarr_config:
  media:
    driver_opts:
      type: cifs
      o: username=$nasUser,password=$nasPass,file_mode=0777,dir_mode=0777,noperm
      device: $nasMediaPath