FiveM Server Works Locally but Friends Can’t Join (Checklist)

Checklist

1. Friends use public IP:port, not 127.0.0.1.
2. endpoint_add_tcp/udp aligns with the allocation.
3. 30120 TCP+UDP open (managed: yes).
4. DIY home host: check CGNAT — if so, move to managed game hosting.
5. Test with connect IP:port from a phone network.

Soft CTA: FiveM hosting.

Related guides

• FiveM Ports Explained: 30120 TCP/UDP and txAdmin
• Direct Connect
• Managed vs Self-Hosted
• DDoS Protection Basics for Game Servers

Frequently Asked Questions

Localhost success means?

FXServer runs — public path still needs correct bind + ports.

CGNAT?

Common on home ISPs for DIY hosts; Chapter22 managed nodes are not behind your home CGNAT.

UDP forgotten?

30120 needs TCP and UDP.

Need help?

If you are stuck after following this guide, open a ticket from the Chapter22 client area with the exact error, the port or DNS change you made, and whether the service listens locally (ss / Resource Monitor) but fails externally.

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