solid-sdr-server.example.yaml

# solid-sdr-server configuration
# Copy to solid-sdr-server.yaml and edit as needed.
# All options can also be set via environment variables with the FLEX_ prefix.
# Example: FLEX_HTTP_PORT=8081

# HTTP server port
http-port: 8080

# Path to serve web UI from (optional; overrides the embedded UI)
# static-dir: /path/to/web/dist

# Cross-Origin-Isolation headers (required for SharedArrayBuffer in the UI)
enable-coi: true

# Permissive CORS headers (disable if you want to restrict origins)
enable-cors: true

# UDP port for FlexRadio discovery broadcasts
discovery-port: 4992

# WebRTC ICE port range. Set start == end for a single UDP mux port.
ice-port-start: 50313
ice-port-end: 50313

# STUN servers used for WebRTC NAT traversal
stun:
  - stun:stun.l.google.com:19302
  - stun:stun.cloudflare.com:3478

# Public IPs for NAT 1:1 mapping (leave empty if not behind NAT)
# nat-1to1-ips:
#   - 203.0.113.2

# Path to write raw API message log (default: messages.txt — set empty to disable)
# api-log-file: messages.txt

# Path to a JSON file of partial preferences to serve as server-defined defaults.
# Clients merge these into their hardcoded defaults before applying saved preferences.
# If unset, /defaults.json returns {}. If set but the file is missing, clients receive a 404.
# defaults-file: /path/to/defaults.json