natproxy/.env.example at main · mahsanet/natproxy · GitHub

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# .env.example — copy to .env and edit before building
# After editing run: dart scripts/apply_env.dart
# This regenerates lib/config/env_config.dart which is compiled into the app.

# ── Infrastructure ─────────────────────────────────────────────────────────────
# WebRTC signaling server (SDP / ICE candidate exchange between peers)
# Used in: Server Settings > Signaling URL, Client Settings > Signaling URL
SIGNALING_URL=http://[IP]:5601

# Server discovery registry (browse available servers on the network)
# Used in: Server Settings > Discovery URL, Client Settings > Discovery URL
DISCOVERY_URL=http://[IP]:5602

# STUN server for NAT type detection and ICE candidate gathering
# Used in: Server Settings > STUN Server, Client Settings > STUN Server
STUN_SERVER=stun.l.google.com:19302

# ── Server Defaults ────────────────────────────────────────────────────────────
# TCP port the server proxy (xray-core) listens on
SERVER_LISTEN_PORT=10853

# NAT traversal strategy: auto | upnp | holepunch
SERVER_NAT_METHOD=auto

# Proxy protocol: vless | socks
SERVER_PROTOCOL=vless

# Transport layer: kcp | xhttp
SERVER_TRANSPORT=xhttp

# Register the server in the discovery list by default
SERVER_DISCOVERY_ENABLED=true

# Use relay fallback for symmetric NAT (requires a running relay service)
SERVER_USE_RELAY=false

# ── Client Defaults ────────────────────────────────────────────────────────────
# Local SOCKS5 proxy port consumed by tun2socks
CLIENT_SOCKS_PORT=10808

# TUN interface IP address assigned to the Android VPN device
CLIENT_TUN_ADDRESS=10.0.0.2

# TUN MTU in bytes (valid range: 1280–9000; keep <= server MTU)
CLIENT_MTU=1500

# DNS servers pushed into the VPN to prevent DNS leaks
CLIENT_DNS1=8.8.8.8
CLIENT_DNS2=1.1.1.1

# Allow the device ISP DNS as fallback — PRIVACY RISK, keep false in production
CLIENT_ALLOW_DIRECT_DNS=false

# Show the discovery server browser on the client screen by default
CLIENT_DISCOVERY_ENABLED=true

# ── Android VPN UI ─────────────────────────────────────────────────────────────
# Label shown in Android's VPN system settings and notification
VPN_SESSION_NAME=NATProxy