You could use a VPN that supports port forwarding. Some are available for less than $2 USD per month. You don't need to open ports on your router as the VPN tunnel bypasses it. Your ISP can't block it and will only know you are connecting to a VPN. Just make sure the VPN supports port forwarding.
Softw: Jellyfin 10.10.7, Docker, Ubuntu Server LTS
Hardw: i5-7600K@5GHz, RTX 3080Ti, 64GB DDR4-3200, SATA SSD, 12TB Toshiba HDD (7200RPM 185MB/s)
Users: 4 max concurrent (3 remote, 1 LAN, 1 remote 4K)
Network: 1Gbps↓ / 115Mbps↑
Media: Some 4K HDR remuxes
Hardw: i5-7600K@5GHz, RTX 3080Ti, 64GB DDR4-3200, SATA SSD, 12TB Toshiba HDD (7200RPM 185MB/s)
Users: 4 max concurrent (3 remote, 1 LAN, 1 remote 4K)
Network: 1Gbps↓ / 115Mbps↑
Media: Some 4K HDR remuxes