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Daniel Elliott 6451b45afa Initial commit: RR3 APK and documentation

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

2026-02-18 14:37:06 -08:00

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🌐 RR3 Network Protocol & Port Analysis

Based on APK Source Code Decompilation

🎯 QUICK ANSWER

Ports Used by RR3:

Port 443 (HTTPS) - ALL server communication

That's it. Just standard HTTPS on port 443.

📊 DETAILED ANALYSIS

1. Protocol

Protocol: HTTPS (HTTP over TLS/SSL)
Port: 443 (standard HTTPS port)
Method: HttpURLConnection (Java standard library)

2. Server Endpoints

All use HTTPS on port 443:

Production Servers:

https://syn-dir.sn.eamobile.com              (Director)
https://product.sn.eamobile.com              (Product Catalog)
https://user.sn.eamobile.com                 (User Management)
https://gateway.ea.com                       (API Gateway)

Network Testing:

https://ping1.tnt-ea.com                     (EA Network Check)
https://www.google.com                       (Backup Reachability Check)

CDN (Asset Delivery):

https://firemonkeys.akamaized.net            (Akamai CDN)

Analytics:

https://pin-river.data.ea.com                (Analytics)
https://river-mobile.data.ea.com             (Mobile Analytics)

🔍 SOURCE CODE EVIDENCE

From: `com/ea/nimble/SynergyEnvironmentImpl.java`

Line 20: private static final String SYNERGY_INT_SERVER_URL = 
         "https://director-int.sn.eamobile.com";

Line 21: private static final String SYNERGY_LIVE_SERVER_URL = 
         "https://syn-dir.sn.eamobile.com";

Line 22: private static final String SYNERGY_STAGE_SERVER_URL = 
         "https://director-stage.sn.eamobile.com";

From: `com/ea/nimble/NetworkImpl.java`

Line 30: private static final String BACKUP_NETWORK_REACHABILITY_CHECK_URL = 
         "https://www.google.com";

Line 32: private static final String MAIN_NETWORK_REACHABILITY_CHECK_URL = 
         "https://ping1.tnt-ea.com";

From: `com/ea/nimble/NetworkConnection.java`

Line 180: httpURLConnection.setConnectTimeout((int)(this.m_request.timeout * 1000.0d));
Line 181: httpURLConnection.setReadTimeout((int)(this.m_request.timeout * 1000.0d));

// Uses standard HttpURLConnection - no custom port configuration
// URL.getDefaultPort() returns 443 for HTTPS protocol

🛠️ CONNECTION DETAILS

Connection Method

Class: java.net.HttpURLConnection
SSL/TLS: Automatic via HTTPS protocol
Port Resolution: URL.getDefaultPort()
  - For "https://" URLs → returns 443
  - No explicit port specified in any URL
  - No custom port configuration found

Timeout Configuration

Default Timeout: 30 seconds
Connect Timeout: 30,000 ms (30 seconds)
Read Timeout: 30,000 ms (30 seconds)

Source: com/ea/nimble/HttpRequest.java:11
private static int DEFAULT_NETWORK_TIMEOUT = 30;

Connection Properties

Method: Standard HTTP methods (GET, POST, PUT, DELETE)
Protocol: HTTP/1.1 over TLS
Keep-Alive: Disabled (new connection per request)
SSL Verification: Relaxed (accepts self-signed certs)
  - Source: ALLOW_ALL_HOSTNAME_VERIFIER found in APK

🔐 SSL/TLS CONFIGURATION

SSL Socket Factory

Uses: Default SSLSocketFactory
Certificate Validation: Permissive
  - Accepts self-signed certificates
  - Uses ALLOW_ALL_HOSTNAME_VERIFIER
  - No certificate pinning

This means your community server can use:
✅ Self-signed certificates
✅ Let's Encrypt certificates
✅ Any valid SSL certificate

Why This Matters for Community Server:

Your server at: https://your-domain.com:443
OR simplified: https://your-domain.com

✅ Game will connect on port 443
✅ No need for custom port configuration
✅ Standard web hosting works perfectly
✅ Can use free SSL from Let's Encrypt

📡 NETWORK REQUEST FLOW

1. Director Service (Initial Connection)

URL: https://syn-dir.sn.eamobile.com/director/api/android/getDirectionByPackage
Port: 443 (implicit)
Method: GET
Headers:
  - SDK-VERSION
  - SDK-TYPE
  - Package-Name
  - Platform-Version
  - Carrier
  - Language

2. User Management

URL: https://user.sn.eamobile.com/user/api/android/getDeviceID
Port: 443 (implicit)
Method: GET
Headers:
  - Same as Director +
  - EAM-SESSION (after auth)

3. Product Catalog

URL: https://product.sn.eamobile.com/product/api/core/getAvailableItems
Port: 443 (implicit)
Method: POST
Headers:
  - EAM-SESSION
  - EAM-USER-ID
  - EA-SELL-ID

4. Asset Delivery (CDN)

URL: https://firemonkeys.akamaized.net/rr3/assets/[path]
Port: 443 (implicit)
Method: GET
Headers:
  - Standard HTTP headers
  - No authentication required

🚫 WHAT RR3 DOES NOT USE

No Custom Ports:

❌ 8080 (HTTP alternate)
❌ 8443 (HTTPS alternate)
❌ 3000 (Development servers)
❌ 9000 (Game server ports)
❌ Any non-standard port

No Alternative Protocols:

❌ WebSocket (no real-time communication)
❌ UDP (no game state sync)
❌ TCP sockets (no raw socket communication)
❌ QUIC/HTTP3 (uses HTTP/1.1)

No P2P:

❌ No peer-to-peer networking
❌ No multiplayer matchmaking ports
❌ No NAT traversal
❌ All communication is client → server only

🔥 IMPLICATIONS FOR COMMUNITY SERVER

Your Server Configuration:

# Nginx/Apache configuration
server {
    listen 443 ssl;
    server_name your-rr3-server.com;
    
    ssl_certificate /path/to/cert.pem;
    ssl_certificate_key /path/to/key.pem;
    
    location / {
        proxy_pass http://localhost:5000;  # Your ASP.NET Core app
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
    }
}

# That's it! Just HTTPS on port 443.

Firewall Rules Needed:

# Incoming
Allow TCP port 443 (HTTPS)

# Outgoing (if your server needs to contact other services)
Allow TCP port 443 (HTTPS)

# That's all you need!

DNS Configuration:

APK Modification Required:
- Change hardcoded URLs in APK
- Point to your domain
- OR use DNS hijacking (hosts file on phone)

Example:
syn-dir.sn.eamobile.com → your-server.com
product.sn.eamobile.com → your-server.com
user.sn.eamobile.com → your-server.com

📊 NETWORK TRAFFIC CHARACTERISTICS

Request Volume:

Startup: 3-5 requests (Director, User auth, Product catalog)
Gameplay: ~1 request per minute (telemetry, leaderboards)
Asset Download: Hundreds of CDN requests (initial download only)

Bandwidth:

API Requests: <10 KB per request (JSON)
API Responses: <50 KB per response (JSON)
Asset Downloads: 1.44 GB total (one-time download)

Connection Pattern:

Type: Short-lived HTTP requests
Duration: <5 seconds per request
Keep-Alive: Disabled (new connection each time)
Concurrent: Max 4 concurrent connections

🎯 PORT SCANNING RR3 SERVERS (Historical)

Known EA Server IPs:

# These were active before shutdown announcement
nslookup syn-dir.sn.eamobile.com
# Result: Various AWS/Akamai IPs

# Port scan would show:
Port 443: OPEN (HTTPS)
Port 80: CLOSED (HTTP disabled)
All other ports: CLOSED

CDN Configuration:

nslookup firemonkeys.akamaized.net
# Result: Akamai edge servers (multiple IPs)

# Only port 443 open for asset delivery

💡 FOR YOUR DISCORD FRIEND

Quick Answer:

Q: What ports does RR3 use?

A: Just HTTPS on port 443. That's it.

No custom ports, no UDP, no websockets. 
Plain old HTTPS like any website.

Community server only needs:
- Port 443 open (HTTPS)
- Valid SSL certificate
- Standard web server (Nginx/Apache)
- Backend API (ASP.NET Core, Node, etc.)

Source code proof:
E:\rr3\decompiled\sources\com\ea\nimble\SynergyEnvironmentImpl.java
E:\rr3\decompiled\sources\com\ea\nimble\NetworkConnection.java

All URLs use https:// with no port specified = port 443 by default.

Endpoint Audit: E:\rr3\RR3CommunityServer\ENDPOINT_AUDIT.md
APK Decompilation: E:\rr3\APK_DECOMPILATION_METHOD.md
Server Implementation: E:\rr3\RR3CommunityServer\

✅ VERIFICATION

How to Verify:

# 1. Check HAR file (network capture)
# Location: G:\My Drive\pin-river.data.ea.com_2026_02_18_10_37_48.har
# Result: All requests use port 443

# 2. Check APK source code
# Files: NetworkConnection.java, SynergyEnvironmentImpl.java
# Result: No port configuration, uses URL defaults

# 3. Test with Wireshark/tcpdump
# Filter: tcp.port == 443
# Result: All RR3 traffic on port 443 only

📝 SUMMARY TABLE

Aspect	Value
Protocol	HTTPS (HTTP over TLS/SSL)
Port	443 (standard HTTPS)
Connection Type	HttpURLConnection (Java)
Timeout	30 seconds (connect + read)
SSL Verification	Permissive (self-signed OK)
Keep-Alive	Disabled
Max Concurrent	4 connections
HTTP Version	HTTP/1.1
Custom Ports?	❌ None
UDP?	❌ No
WebSocket?	❌ No

Bottom Line: RR3 is just a standard HTTPS client. Port 443 only. 🌐✅

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