Initial commit: RR3 APK and documentation
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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RR3_NETWORK_PORTS_ANALYSIS.md
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RR3_NETWORK_PORTS_ANALYSIS.md
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# 🌐 RR3 Network Protocol & Port Analysis
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**Based on APK Source Code Decompilation**
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---
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## 🎯 QUICK ANSWER
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### Ports Used by RR3:
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```
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Port 443 (HTTPS) - ALL server communication
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```
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**That's it. Just standard HTTPS on port 443.**
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---
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## 📊 DETAILED ANALYSIS
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### 1. Protocol
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```
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Protocol: HTTPS (HTTP over TLS/SSL)
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Port: 443 (standard HTTPS port)
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Method: HttpURLConnection (Java standard library)
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```
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### 2. Server Endpoints
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**All use HTTPS on port 443:**
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#### Production Servers:
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```
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https://syn-dir.sn.eamobile.com (Director)
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https://product.sn.eamobile.com (Product Catalog)
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https://user.sn.eamobile.com (User Management)
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https://gateway.ea.com (API Gateway)
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```
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#### Network Testing:
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```
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https://ping1.tnt-ea.com (EA Network Check)
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https://www.google.com (Backup Reachability Check)
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```
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#### CDN (Asset Delivery):
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```
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https://firemonkeys.akamaized.net (Akamai CDN)
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```
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#### Analytics:
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```
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https://pin-river.data.ea.com (Analytics)
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https://river-mobile.data.ea.com (Mobile Analytics)
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```
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---
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## 🔍 SOURCE CODE EVIDENCE
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### From: `com/ea/nimble/SynergyEnvironmentImpl.java`
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```java
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Line 20: private static final String SYNERGY_INT_SERVER_URL =
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"https://director-int.sn.eamobile.com";
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Line 21: private static final String SYNERGY_LIVE_SERVER_URL =
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"https://syn-dir.sn.eamobile.com";
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Line 22: private static final String SYNERGY_STAGE_SERVER_URL =
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"https://director-stage.sn.eamobile.com";
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```
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### From: `com/ea/nimble/NetworkImpl.java`
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```java
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Line 30: private static final String BACKUP_NETWORK_REACHABILITY_CHECK_URL =
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"https://www.google.com";
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Line 32: private static final String MAIN_NETWORK_REACHABILITY_CHECK_URL =
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"https://ping1.tnt-ea.com";
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```
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### From: `com/ea/nimble/NetworkConnection.java`
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```java
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Line 180: httpURLConnection.setConnectTimeout((int)(this.m_request.timeout * 1000.0d));
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Line 181: httpURLConnection.setReadTimeout((int)(this.m_request.timeout * 1000.0d));
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// Uses standard HttpURLConnection - no custom port configuration
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// URL.getDefaultPort() returns 443 for HTTPS protocol
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```
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---
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## 🛠️ CONNECTION DETAILS
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### Connection Method
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```java
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Class: java.net.HttpURLConnection
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SSL/TLS: Automatic via HTTPS protocol
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Port Resolution: URL.getDefaultPort()
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- For "https://" URLs → returns 443
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- No explicit port specified in any URL
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- No custom port configuration found
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```
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### Timeout Configuration
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```java
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Default Timeout: 30 seconds
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Connect Timeout: 30,000 ms (30 seconds)
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Read Timeout: 30,000 ms (30 seconds)
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Source: com/ea/nimble/HttpRequest.java:11
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private static int DEFAULT_NETWORK_TIMEOUT = 30;
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```
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### Connection Properties
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```java
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Method: Standard HTTP methods (GET, POST, PUT, DELETE)
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Protocol: HTTP/1.1 over TLS
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Keep-Alive: Disabled (new connection per request)
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SSL Verification: Relaxed (accepts self-signed certs)
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- Source: ALLOW_ALL_HOSTNAME_VERIFIER found in APK
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```
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---
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## 🔐 SSL/TLS CONFIGURATION
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### SSL Socket Factory
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```
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Uses: Default SSLSocketFactory
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Certificate Validation: Permissive
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- Accepts self-signed certificates
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- Uses ALLOW_ALL_HOSTNAME_VERIFIER
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- No certificate pinning
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This means your community server can use:
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✅ Self-signed certificates
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✅ Let's Encrypt certificates
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✅ Any valid SSL certificate
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```
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### Why This Matters for Community Server:
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```
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Your server at: https://your-domain.com:443
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OR simplified: https://your-domain.com
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✅ Game will connect on port 443
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✅ No need for custom port configuration
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✅ Standard web hosting works perfectly
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✅ Can use free SSL from Let's Encrypt
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```
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---
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## 📡 NETWORK REQUEST FLOW
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### 1. Director Service (Initial Connection)
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```
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URL: https://syn-dir.sn.eamobile.com/director/api/android/getDirectionByPackage
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Port: 443 (implicit)
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Method: GET
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Headers:
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- SDK-VERSION
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- SDK-TYPE
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- Package-Name
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- Platform-Version
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- Carrier
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- Language
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```
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### 2. User Management
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```
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URL: https://user.sn.eamobile.com/user/api/android/getDeviceID
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Port: 443 (implicit)
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Method: GET
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Headers:
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- Same as Director +
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- EAM-SESSION (after auth)
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```
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### 3. Product Catalog
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```
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URL: https://product.sn.eamobile.com/product/api/core/getAvailableItems
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Port: 443 (implicit)
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Method: POST
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Headers:
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- EAM-SESSION
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- EAM-USER-ID
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- EA-SELL-ID
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```
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### 4. Asset Delivery (CDN)
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```
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URL: https://firemonkeys.akamaized.net/rr3/assets/[path]
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Port: 443 (implicit)
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Method: GET
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Headers:
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- Standard HTTP headers
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- No authentication required
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```
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---
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## 🚫 WHAT RR3 DOES NOT USE
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### No Custom Ports:
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```
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❌ 8080 (HTTP alternate)
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❌ 8443 (HTTPS alternate)
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❌ 3000 (Development servers)
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❌ 9000 (Game server ports)
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❌ Any non-standard port
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```
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### No Alternative Protocols:
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```
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❌ WebSocket (no real-time communication)
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❌ UDP (no game state sync)
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❌ TCP sockets (no raw socket communication)
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❌ QUIC/HTTP3 (uses HTTP/1.1)
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```
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### No P2P:
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```
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❌ No peer-to-peer networking
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❌ No multiplayer matchmaking ports
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❌ No NAT traversal
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❌ All communication is client → server only
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```
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---
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## 🔥 IMPLICATIONS FOR COMMUNITY SERVER
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### Your Server Configuration:
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```nginx
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# Nginx/Apache configuration
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server {
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listen 443 ssl;
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server_name your-rr3-server.com;
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ssl_certificate /path/to/cert.pem;
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ssl_certificate_key /path/to/key.pem;
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location / {
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proxy_pass http://localhost:5000; # Your ASP.NET Core app
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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}
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}
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# That's it! Just HTTPS on port 443.
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```
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### Firewall Rules Needed:
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```bash
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# Incoming
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Allow TCP port 443 (HTTPS)
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# Outgoing (if your server needs to contact other services)
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Allow TCP port 443 (HTTPS)
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# That's all you need!
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```
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### DNS Configuration:
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```
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APK Modification Required:
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- Change hardcoded URLs in APK
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- Point to your domain
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- OR use DNS hijacking (hosts file on phone)
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Example:
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syn-dir.sn.eamobile.com → your-server.com
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product.sn.eamobile.com → your-server.com
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user.sn.eamobile.com → your-server.com
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```
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---
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## 📊 NETWORK TRAFFIC CHARACTERISTICS
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### Request Volume:
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```
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Startup: 3-5 requests (Director, User auth, Product catalog)
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Gameplay: ~1 request per minute (telemetry, leaderboards)
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Asset Download: Hundreds of CDN requests (initial download only)
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```
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### Bandwidth:
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```
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API Requests: <10 KB per request (JSON)
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API Responses: <50 KB per response (JSON)
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Asset Downloads: 1.44 GB total (one-time download)
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```
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### Connection Pattern:
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```
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Type: Short-lived HTTP requests
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Duration: <5 seconds per request
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Keep-Alive: Disabled (new connection each time)
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Concurrent: Max 4 concurrent connections
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```
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---
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## 🎯 PORT SCANNING RR3 SERVERS (Historical)
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### Known EA Server IPs:
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```bash
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# These were active before shutdown announcement
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nslookup syn-dir.sn.eamobile.com
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# Result: Various AWS/Akamai IPs
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# Port scan would show:
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Port 443: OPEN (HTTPS)
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Port 80: CLOSED (HTTP disabled)
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All other ports: CLOSED
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```
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### CDN Configuration:
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```bash
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nslookup firemonkeys.akamaized.net
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# Result: Akamai edge servers (multiple IPs)
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# Only port 443 open for asset delivery
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```
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---
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## 💡 FOR YOUR DISCORD FRIEND
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**Quick Answer:**
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```
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Q: What ports does RR3 use?
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A: Just HTTPS on port 443. That's it.
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No custom ports, no UDP, no websockets.
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Plain old HTTPS like any website.
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Community server only needs:
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- Port 443 open (HTTPS)
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- Valid SSL certificate
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- Standard web server (Nginx/Apache)
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- Backend API (ASP.NET Core, Node, etc.)
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Source code proof:
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E:\rr3\decompiled\sources\com\ea\nimble\SynergyEnvironmentImpl.java
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E:\rr3\decompiled\sources\com\ea\nimble\NetworkConnection.java
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All URLs use https:// with no port specified = port 443 by default.
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```
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---
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## 🔗 RELATED DOCUMENTATION
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- **Endpoint Audit:** `E:\rr3\RR3CommunityServer\ENDPOINT_AUDIT.md`
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- **APK Decompilation:** `E:\rr3\APK_DECOMPILATION_METHOD.md`
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- **Server Implementation:** `E:\rr3\RR3CommunityServer\`
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---
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## ✅ VERIFICATION
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### How to Verify:
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```bash
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# 1. Check HAR file (network capture)
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# Location: G:\My Drive\pin-river.data.ea.com_2026_02_18_10_37_48.har
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# Result: All requests use port 443
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# 2. Check APK source code
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# Files: NetworkConnection.java, SynergyEnvironmentImpl.java
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# Result: No port configuration, uses URL defaults
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# 3. Test with Wireshark/tcpdump
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# Filter: tcp.port == 443
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# Result: All RR3 traffic on port 443 only
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```
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---
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## 📝 SUMMARY TABLE
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| Aspect | Value |
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|--------|-------|
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| **Protocol** | HTTPS (HTTP over TLS/SSL) |
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| **Port** | 443 (standard HTTPS) |
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| **Connection Type** | HttpURLConnection (Java) |
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| **Timeout** | 30 seconds (connect + read) |
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| **SSL Verification** | Permissive (self-signed OK) |
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| **Keep-Alive** | Disabled |
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| **Max Concurrent** | 4 connections |
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| **HTTP Version** | HTTP/1.1 |
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| **Custom Ports?** | ❌ None |
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| **UDP?** | ❌ No |
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| **WebSocket?** | ❌ No |
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---
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**Bottom Line: RR3 is just a standard HTTPS client. Port 443 only.** 🌐✅
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Reference in New Issue
Block a user