Networking
Railway provides several networking features to connect your services to the internet, to each other, and to external resources.
Public & private networking
| Feature | Description |
|---|---|
| Public Networking | Expose your services to the internet via HTTP/HTTPS with automatic SSL certificates. |
| Private Networking | Secure service-to-service communication within your project using internal DNS. |
Domain configuration
| Feature | Description |
|---|---|
| Domains | Configure Railway-provided domains, custom domains, and private internal domains. |
| TCP Proxy | Expose non-HTTP services (databases, game servers) to the internet via TCP. |
Traffic & routing
| Feature | Description |
|---|---|
| Outbound Networking | Understand how outbound traffic from your services works. |
| Static Outbound IPs | Get fixed IP addresses for outbound traffic when connecting to IP-allowlisted services. |
| Edge Networking | Learn about Railway's edge network and global routing. |
Troubleshooting
| Feature | Description |
|---|---|
| Troubleshooting SSL | Debug and resolve SSL certificate issues. |
| Network Diagnostics | Tools and techniques for diagnosing network issues. |