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<li><a href="/" >Table of Contents</a></li>
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<li><a href="/preface/" >Preface</a></li>
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<a href="/parts/part-1/" >Part Overview</a>
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<li><a href="/chapters/chapter-1/" >Ch 1: Core Security Principles</a></li>
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<li><a href="/chapters/chapter-3/" >Ch 3: Communication Architecture</a></li>
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<li><a href="/chapters/chapter-4/" class="active">Ch 4: Secure Messaging</a></li>
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<li><a href="/chapters/chapter-7/" >Ch 7: Digital Hygiene</a></li>
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<a href="/parts/part-4/" >Part Overview</a>
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<li><a href="/chapters/chapter-9/" >Ch 9: Intelligence Gathering</a></li>
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<li><a href="/chapters/chapter-10/" >Ch 10: Counter-Intelligence</a></li>
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<li><a href="https://resist.is" target="_blank">resist.is</a></li>
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<li><a href="https://activistchecklist.org" target="_blank">Activist Checklist</a></li>
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<li><a href="https://signal.org" target="_blank">Signal</a></li>
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<li><a href="https://briarproject.org" target="_blank">Briar</a></li>
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<li><a href="https://element.io" target="_blank">Element</a></li>
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<li><a href="https://tails.boum.org" target="_blank">Tails OS</a></li>
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<li><a href="https://onionshare.org" target="_blank">OnionShare</a></li>
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<strong>OPERATIONAL SECURITY REMINDER</strong><br>
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This manual contains sensitive information. Ensure secure handling and storage. Practice compartmentalization and need-to-know principles.
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<div class="classification">FOR RESISTANCE USE ONLY</div>
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<div class="version">Version 1.0 | FM-R1</div>
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<div class="date">2025</div>
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<div class="manual-designation">FM-R1: FM-R1: Secure Communication Networks for Decentralized Resistance</div>
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<div class="classification">UNCLASSIFIED</div>
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<div class="section-number">Section 4-1 to 4-8</div>
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<h1 id="chapter-4-secure-messaging-and-voice-communications">Chapter 4: Secure Messaging and Voice Communications</h1>
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<h2 id="chapter-overview">Chapter Overview</h2>
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<p>This chapter provides detailed configuration and operational guidance for implementing secure messaging systems within the multi-layer communication architecture. Each messaging system covered here serves specific security requirements and operational scenarios, from maximum-security real-time coordination to secure group collaboration.</p>
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<p><strong>Sections in this chapter:</strong></p>
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<ul>
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<li>4-1: Session Messenger Configuration</li>
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<li>4-2: Element/Matrix Self-Hosted Setup</li>
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<li>4-3: Briar Peer-to-Peer Messaging</li>
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<li>4-4: Signal Security Best Practices</li>
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<li>4-5: Voice Communication Security</li>
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<li>4-6: Group Communication Management</li>
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<li>4-7: Message Verification and Authentication</li>
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<li>4-8: Communication Scheduling and Protocols</li>
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</ul>
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<hr />
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<h2 id="section-4-1-session-messenger-configuration">Section 4-1: Session Messenger Configuration</h2>
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<h3 id="overview">Overview</h3>
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<p>Session Messenger provides maximum security messaging through onion routing and the Signal Protocol, making it ideal for Layer 1 high-risk communications. Session eliminates phone number requirements and metadata collection while providing strong encryption and anonymity protection.</p>
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<h3 id="installation-and-initial-setup">Installation and Initial Setup</h3>
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<h4 id="download-and-verification">Download and Verification</h4>
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<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c"># Download Session from official sources only</span>
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<span class="c"># Desktop: https://getsession.org/download</span>
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<span class="c"># Mobile: Official app stores or F-Droid</span>
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<span class="c"># Verify download integrity (desktop)</span>
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gpg <span class="nt">--verify</span> session-desktop-linux-x86_64-<span class="k">*</span>.AppImage.sig
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</code></pre></div></div>
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<h4 id="initial-configuration">Initial Configuration</h4>
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<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Security Settings Checklist:
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□ Disable read receipts
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□ Disable typing indicators
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□ Enable disappearing messages (shortest duration)
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□ Disable message notifications
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□ Disable message previews
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□ Enable screen security (mobile)
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□ Disable automatic media downloads
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</code></pre></div></div>
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<h4 id="session-id-creation">Session ID Creation</h4>
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<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Session ID Best Practices:
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1. Generate new Session ID for each operational role
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2. Use random Session ID, not recovery phrase
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3. Record Session ID securely for sharing with contacts
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4. Never link Session ID to real identity or other accounts
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5. Rotate Session IDs regularly (monthly or per operation)
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</code></pre></div></div>
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<h3 id="advanced-security-configuration">Advanced Security Configuration</h3>
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<h4 id="network-security">Network Security</h4>
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<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Network Configuration:
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- Always use Tor Browser or Tor proxy for desktop access
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- Enable VPN on mobile devices before using Session
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- Disable automatic updates to prevent traffic analysis
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- Use public WiFi from locations unconnected to identity
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- Avoid using Session on home or work networks
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</code></pre></div></div>
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<h4 id="device-security">Device Security</h4>
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<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Device Hardening for Session:
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1. Use dedicated device not linked to real identity
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2. Enable full disk encryption
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3. Use strong device lock screen password
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4. Disable biometric authentication
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5. Install minimal additional software
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6. Regular security updates through secure channels
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</code></pre></div></div>
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<h4 id="operational-security">Operational Security</h4>
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<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Session OpSec Procedures:
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1. Create new Session ID for each operation or role
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2. Share Session ID only through secure out-of-band channels
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3. Verify contact identity before sensitive communications
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4. Use coded language even in encrypted messages
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5. Delete conversations regularly
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6. Monitor for unusual behavior or timing
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</code></pre></div></div>
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<h3 id="contact-management">Contact Management</h3>
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<h4 id="adding-contacts-securely">Adding Contacts Securely</h4>
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<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Secure Contact Addition Process:
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1. Generate Session ID and share through secure channel
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2. Verify recipient received correct Session ID
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3. Send test message with predetermined verification phrase
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4. Confirm identity through separate communication channel
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5. Establish communication protocols and schedules
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</code></pre></div></div>
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<h4 id="contact-verification">Contact Verification</h4>
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<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Identity Verification Methods:
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- Out-of-band verification through trusted intermediary
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- Predetermined code words or phrases
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- Reference to shared experiences or knowledge
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- Voice verification through separate secure channel
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- Physical meeting for high-value contacts
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</code></pre></div></div>
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<h4 id="contact-hygiene">Contact Hygiene</h4>
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<ul>
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<li><strong>Regular Review:</strong> Periodically review and clean contact lists</li>
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<li><strong>Role Separation:</strong> Different Session IDs for different operational roles</li>
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<li><strong>Contact Rotation:</strong> Regular replacement of Session IDs and re-verification</li>
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<li><strong>Compromise Response:</strong> Immediate contact deletion if compromise suspected</li>
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</ul>
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<h3 id="message-security">Message Security</h3>
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<h4 id="disappearing-messages">Disappearing Messages</h4>
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<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Message Retention Settings:
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- Use shortest available timer (5 seconds to 1 week)
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- Adjust based on message sensitivity and operational needs
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- Ensure all participants understand and enable feature
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- Verify messages actually disappear on all devices
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- Use manual deletion for immediate removal
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</code></pre></div></div>
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<h4 id="message-content-security">Message Content Security</h4>
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<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Secure Messaging Practices:
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1. Use coded language for sensitive topics
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2. Avoid specific names, locations, or times
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3. Break complex information into multiple messages
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4. Use predetermined code words for common concepts
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5. Verify critical information through separate channels
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</code></pre></div></div>
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<h4 id="emergency-procedures">Emergency Procedures</h4>
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<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Emergency Response Protocols:
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1. Duress Codes: Predetermined phrases indicating compromise
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2. Burn Procedures: Rapid deletion of all Session data
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3. Emergency Contacts: Backup communication methods
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4. Fallback Protocols: Alternative communication channels
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5. Recovery Procedures: Re-establishing secure communications
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</code></pre></div></div>
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<div class="warning-box">
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<div class="warning-title">Session Limitations</div>
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<p>Session provides excellent security but has limitations: slower message delivery due to onion routing, limited group messaging features, and dependency on network connectivity. Plan accordingly for operational requirements.</p>
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</div>
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<hr />
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<h2 id="section-4-2-elementmatrix-self-hosted-setup">Section 4-2: Element/Matrix Self-Hosted Setup</h2>
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<h3 id="overview-1">Overview</h3>
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<p>Element/Matrix provides secure group communications and collaboration features through self-hosted infrastructure, making it ideal for Layer 2 secure collaboration systems. Self-hosting ensures complete control over security and data while providing rich communication features.</p>
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<h3 id="server-infrastructure-setup">Server Infrastructure Setup</h3>
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<h4 id="hardware-requirements">Hardware Requirements</h4>
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<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Minimum Server Specifications:
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- CPU: 2 cores, 2.4 GHz
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- RAM: 4 GB (8 GB recommended)
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- Storage: 50 GB SSD (100 GB+ for larger deployments)
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- Network: Reliable internet connection with static IP
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- OS: Ubuntu 20.04 LTS or Debian 11 (recommended)
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</code></pre></div></div>
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<h4 id="initial-server-hardening">Initial Server Hardening</h4>
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<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c"># Update system and install security updates</span>
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<span class="nb">sudo </span>apt update <span class="o">&&</span> <span class="nb">sudo </span>apt upgrade <span class="nt">-y</span>
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<span class="c"># Install fail2ban for intrusion prevention</span>
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<span class="nb">sudo </span>apt <span class="nb">install </span>fail2ban ufw <span class="nt">-y</span>
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<span class="c"># Configure firewall</span>
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<span class="nb">sudo </span>ufw default deny incoming
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<span class="nb">sudo </span>ufw default allow outgoing
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<span class="nb">sudo </span>ufw allow ssh
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<span class="nb">sudo </span>ufw allow 80
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<span class="nb">sudo </span>ufw allow 443
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<span class="nb">sudo </span>ufw <span class="nb">enable</span>
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<span class="c"># Disable root login and password authentication</span>
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<span class="nb">sudo sed</span> <span class="nt">-i</span> <span class="s1">'s/PermitRootLogin yes/PermitRootLogin no/'</span> /etc/ssh/sshd_config
|
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<span class="nb">sudo sed</span> <span class="nt">-i</span> <span class="s1">'s/#PasswordAuthentication yes/PasswordAuthentication no/'</span> /etc/ssh/sshd_config
|
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<span class="nb">sudo </span>systemctl restart ssh
|
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</code></pre></div></div>
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<h4 id="synapse-installation">Synapse Installation</h4>
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<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c"># Install Synapse Matrix server</span>
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<span class="nb">sudo </span>apt <span class="nb">install </span>matrix-synapse <span class="nt">-y</span>
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<span class="c"># Generate configuration</span>
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<span class="nb">sudo</span> <span class="nt">-u</span> matrix-synapse /usr/bin/python3 <span class="nt">-m</span> synapse.app.homeserver <span class="se">\</span>
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<span class="nt">--server-name</span> your-domain.com <span class="se">\</span>
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<span class="nt">--config-path</span> /etc/matrix-synapse/homeserver.yaml <span class="se">\</span>
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<span class="nt">--generate-config</span> <span class="se">\</span>
|
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<span class="nt">--report-stats</span><span class="o">=</span>no
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</code></pre></div></div>
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<h4 id="database-configuration">Database Configuration</h4>
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<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c"># Install PostgreSQL for better performance</span>
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<span class="nb">sudo </span>apt <span class="nb">install </span>postgresql postgresql-contrib <span class="nt">-y</span>
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<span class="c"># Create Matrix database and user</span>
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<span class="nb">sudo</span> <span class="nt">-u</span> postgres createuser <span class="nt">--pwprompt</span> synapse_user
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<span class="nb">sudo</span> <span class="nt">-u</span> postgres createdb <span class="nt">--encoding</span><span class="o">=</span>UTF8 <span class="nt">--locale</span><span class="o">=</span>C <span class="nt">--template</span><span class="o">=</span>template0 <span class="nt">--owner</span><span class="o">=</span>synapse_user synapse
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<span class="c"># Configure Synapse to use PostgreSQL</span>
|
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<span class="nb">sudo </span>nano /etc/matrix-synapse/homeserver.yaml
|
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</code></pre></div></div>
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|
|
<div class="language-yaml highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c1"># Database configuration in homeserver.yaml</span>
|
|
<span class="na">database</span><span class="pi">:</span>
|
|
<span class="na">name</span><span class="pi">:</span> <span class="s">psycopg2</span>
|
|
<span class="na">args</span><span class="pi">:</span>
|
|
<span class="na">user</span><span class="pi">:</span> <span class="s">synapse_user</span>
|
|
<span class="na">password</span><span class="pi">:</span> <span class="s">your_secure_password</span>
|
|
<span class="na">database</span><span class="pi">:</span> <span class="s">synapse</span>
|
|
<span class="na">host</span><span class="pi">:</span> <span class="s">localhost</span>
|
|
<span class="na">cp_min</span><span class="pi">:</span> <span class="m">5</span>
|
|
<span class="na">cp_max</span><span class="pi">:</span> <span class="m">10</span>
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="security-configuration">Security Configuration</h3>
|
|
|
|
<h4 id="encryption-settings">Encryption Settings</h4>
|
|
<div class="language-yaml highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c1"># Enable end-to-end encryption in homeserver.yaml</span>
|
|
<span class="na">encryption_enabled_by_default_for_room_type</span><span class="pi">:</span> <span class="s">all</span>
|
|
<span class="na">trusted_key_servers</span><span class="pi">:</span>
|
|
<span class="pi">-</span> <span class="na">server_name</span><span class="pi">:</span> <span class="s2">"</span><span class="s">matrix.org"</span>
|
|
<span class="na">verify_keys</span><span class="pi">:</span>
|
|
<span class="s2">"</span><span class="s">ed25519:auto"</span><span class="err">:</span> <span class="s2">"</span><span class="s">Noi6WqcDj0QmPxCNQqgezwTlBKrfqehY1u2FyWP9uYw"</span>
|
|
|
|
<span class="c1"># Disable federation for security</span>
|
|
<span class="na">federation_domain_whitelist</span><span class="pi">:</span> <span class="pi">[]</span>
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="access-control">Access Control</h4>
|
|
<div class="language-yaml highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c1"># Registration and access control</span>
|
|
<span class="na">enable_registration</span><span class="pi">:</span> <span class="kc">false</span>
|
|
<span class="na">registration_shared_secret</span><span class="pi">:</span> <span class="s2">"</span><span class="s">your_very_long_random_string"</span>
|
|
<span class="na">allow_guest_access</span><span class="pi">:</span> <span class="kc">false</span>
|
|
<span class="na">enable_registration_captcha</span><span class="pi">:</span> <span class="kc">false</span>
|
|
|
|
<span class="c1"># Rate limiting</span>
|
|
<span class="na">rc_message</span><span class="pi">:</span>
|
|
<span class="na">per_second</span><span class="pi">:</span> <span class="m">0.2</span>
|
|
<span class="na">burst_count</span><span class="pi">:</span> <span class="m">10</span>
|
|
|
|
<span class="na">rc_registration</span><span class="pi">:</span>
|
|
<span class="na">per_second</span><span class="pi">:</span> <span class="m">0.17</span>
|
|
<span class="na">burst_count</span><span class="pi">:</span> <span class="m">3</span>
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="privacy-settings">Privacy Settings</h4>
|
|
<div class="language-yaml highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c1"># Privacy and security settings</span>
|
|
<span class="na">enable_metrics</span><span class="pi">:</span> <span class="kc">false</span>
|
|
<span class="na">report_stats</span><span class="pi">:</span> <span class="kc">false</span>
|
|
<span class="na">enable_media_repo</span><span class="pi">:</span> <span class="kc">true</span>
|
|
<span class="na">max_upload_size</span><span class="pi">:</span> <span class="s">50M</span>
|
|
|
|
<span class="c1"># Disable unnecessary features</span>
|
|
<span class="na">enable_group_creation</span><span class="pi">:</span> <span class="kc">false</span>
|
|
<span class="na">autocreate_auto_join_rooms</span><span class="pi">:</span> <span class="kc">false</span>
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="element-web-client-setup">Element Web Client Setup</h3>
|
|
|
|
<h4 id="installation">Installation</h4>
|
|
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c"># Download and install Element Web</span>
|
|
<span class="nb">cd</span> /var/www
|
|
<span class="nb">sudo </span>wget https://github.com/vector-im/element-web/releases/download/v1.11.8/element-v1.11.8.tar.gz
|
|
<span class="nb">sudo tar</span> <span class="nt">-xzf</span> element-v1.11.8.tar.gz
|
|
<span class="nb">sudo mv </span>element-v1.11.8 element
|
|
<span class="nb">sudo chown</span> <span class="nt">-R</span> www-data:www-data element
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="configuration">Configuration</h4>
|
|
<div class="language-json highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="p">{</span><span class="w">
|
|
</span><span class="nl">"default_server_config"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
|
|
</span><span class="nl">"m.homeserver"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
|
|
</span><span class="nl">"base_url"</span><span class="p">:</span><span class="w"> </span><span class="s2">"https://your-domain.com"</span><span class="p">,</span><span class="w">
|
|
</span><span class="nl">"server_name"</span><span class="p">:</span><span class="w"> </span><span class="s2">"your-domain.com"</span><span class="w">
|
|
</span><span class="p">}</span><span class="w">
|
|
</span><span class="p">},</span><span class="w">
|
|
</span><span class="nl">"disable_custom_urls"</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="p">,</span><span class="w">
|
|
</span><span class="nl">"disable_guests"</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="p">,</span><span class="w">
|
|
</span><span class="nl">"disable_login_language_selector"</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="p">,</span><span class="w">
|
|
</span><span class="nl">"disable_3pid_login"</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="p">,</span><span class="w">
|
|
</span><span class="nl">"brand"</span><span class="p">:</span><span class="w"> </span><span class="s2">"Resistance Communications"</span><span class="p">,</span><span class="w">
|
|
</span><span class="nl">"integrations_ui_url"</span><span class="p">:</span><span class="w"> </span><span class="s2">""</span><span class="p">,</span><span class="w">
|
|
</span><span class="nl">"integrations_rest_url"</span><span class="p">:</span><span class="w"> </span><span class="s2">""</span><span class="p">,</span><span class="w">
|
|
</span><span class="nl">"bug_report_endpoint_url"</span><span class="p">:</span><span class="w"> </span><span class="s2">""</span><span class="p">,</span><span class="w">
|
|
</span><span class="nl">"features"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
|
|
</span><span class="nl">"feature_pinning"</span><span class="p">:</span><span class="w"> </span><span class="s2">"disable"</span><span class="p">,</span><span class="w">
|
|
</span><span class="nl">"feature_custom_status"</span><span class="p">:</span><span class="w"> </span><span class="s2">"disable"</span><span class="p">,</span><span class="w">
|
|
</span><span class="nl">"feature_custom_tags"</span><span class="p">:</span><span class="w"> </span><span class="s2">"disable"</span><span class="w">
|
|
</span><span class="p">}</span><span class="w">
|
|
</span><span class="p">}</span><span class="w">
|
|
</span></code></pre></div></div>
|
|
|
|
<h3 id="operational-procedures">Operational Procedures</h3>
|
|
|
|
<h4 id="user-management">User Management</h4>
|
|
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c"># Create admin user</span>
|
|
register_new_matrix_user <span class="nt">-c</span> /etc/matrix-synapse/homeserver.yaml http://localhost:8008
|
|
|
|
<span class="c"># Create regular users (admin only)</span>
|
|
<span class="c"># Use Element admin interface or command line tools</span>
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="room-creation-and-management">Room Creation and Management</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Secure Room Setup:
|
|
1. Create private, invite-only rooms
|
|
2. Enable end-to-end encryption for all rooms
|
|
3. Set appropriate power levels for participants
|
|
4. Configure message retention policies
|
|
5. Establish room-specific communication protocols
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="backup-and-recovery">Backup and Recovery</h4>
|
|
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c"># Database backup script</span>
|
|
<span class="c">#!/bin/bash</span>
|
|
<span class="nv">BACKUP_DIR</span><span class="o">=</span><span class="s2">"/backup/matrix"</span>
|
|
<span class="nv">DATE</span><span class="o">=</span><span class="si">$(</span><span class="nb">date</span> +%Y%m%d_%H%M%S<span class="si">)</span>
|
|
|
|
<span class="c"># Create backup directory</span>
|
|
<span class="nb">mkdir</span> <span class="nt">-p</span> <span class="nv">$BACKUP_DIR</span>
|
|
|
|
<span class="c"># Backup database</span>
|
|
<span class="nb">sudo</span> <span class="nt">-u</span> postgres pg_dump synapse <span class="o">></span> <span class="nv">$BACKUP_DIR</span>/synapse_<span class="nv">$DATE</span>.sql
|
|
|
|
<span class="c"># Backup media files</span>
|
|
<span class="nb">tar</span> <span class="nt">-czf</span> <span class="nv">$BACKUP_DIR</span>/media_<span class="nv">$DATE</span>.tar.gz /var/lib/matrix-synapse/media
|
|
|
|
<span class="c"># Encrypt backups</span>
|
|
gpg <span class="nt">--cipher-algo</span> AES256 <span class="nt">--compress-algo</span> 1 <span class="nt">--s2k-mode</span> 3 <span class="se">\</span>
|
|
<span class="nt">--s2k-digest-algo</span> SHA512 <span class="nt">--s2k-count</span> 65536 <span class="nt">--symmetric</span> <span class="se">\</span>
|
|
<span class="nt">--output</span> <span class="nv">$BACKUP_DIR</span>/synapse_<span class="nv">$DATE</span>.sql.gpg <span class="nv">$BACKUP_DIR</span>/synapse_<span class="nv">$DATE</span>.sql
|
|
|
|
<span class="c"># Remove unencrypted backup</span>
|
|
<span class="nb">rm</span> <span class="nv">$BACKUP_DIR</span>/synapse_<span class="nv">$DATE</span>.sql
|
|
</code></pre></div></div>
|
|
|
|
<div class="info-box">
|
|
<div class="info-title">Server Maintenance</div>
|
|
<p>Self-hosted Matrix servers require ongoing maintenance including security updates, monitoring, backup verification, and performance optimization. Plan for dedicated technical resources or consider managed hosting with trusted providers.</p>
|
|
</div>
|
|
|
|
<hr />
|
|
|
|
<h2 id="section-4-3-briar-peer-to-peer-messaging">Section 4-3: Briar Peer-to-Peer Messaging</h2>
|
|
|
|
<h3 id="overview-2">Overview</h3>
|
|
|
|
<p>Briar provides true peer-to-peer messaging without central servers, making it ideal for high-security scenarios and situations where internet infrastructure is unreliable or compromised. Briar supports Bluetooth, WiFi, and Tor connections for maximum flexibility.</p>
|
|
|
|
<h3 id="installation-and-setup">Installation and Setup</h3>
|
|
|
|
<h4 id="download-and-installation">Download and Installation</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Official Sources:
|
|
- F-Droid: https://f-droid.org/packages/org.briarproject.briar.android/
|
|
- Google Play: https://play.google.com/store/apps/details?id=org.briarproject.briar.android
|
|
- Direct APK: https://briarproject.org/download-briar/
|
|
|
|
Desktop Beta:
|
|
- Available for testing but not recommended for operational use
|
|
- Mobile version provides full functionality
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="initial-configuration-1">Initial Configuration</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Setup Checklist:
|
|
□ Create strong password for Briar account
|
|
□ Enable screen lock on device
|
|
□ Configure network settings (Tor, WiFi, Bluetooth)
|
|
□ Disable automatic backups to cloud services
|
|
□ Review and adjust privacy settings
|
|
□ Test connectivity through different network types
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="network-configuration">Network Configuration</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Network Settings:
|
|
1. Tor: Enable for internet connections
|
|
- Provides anonymity and censorship resistance
|
|
- Required for remote contact connections
|
|
- May be slower but more secure
|
|
|
|
2. WiFi: Enable for local area networking
|
|
- Direct device-to-device connections
|
|
- Faster than Tor for local communications
|
|
- Use only in secure environments
|
|
|
|
3. Bluetooth: Enable for close-proximity messaging
|
|
- Works without internet or WiFi
|
|
- Very short range (10-30 meters)
|
|
- Useful for covert meetings and mesh networking
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="contact-management-1">Contact Management</h3>
|
|
|
|
<h4 id="adding-contacts">Adding Contacts</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Contact Addition Methods:
|
|
1. QR Code Exchange:
|
|
- Generate QR code in Briar
|
|
- Scan contact's QR code in person
|
|
- Most secure method for initial contact
|
|
|
|
2. Briar Link Sharing:
|
|
- Generate Briar link for contact
|
|
- Share through secure out-of-band channel
|
|
- Verify identity after connection
|
|
|
|
3. Introduction by Mutual Contact:
|
|
- Existing contact introduces new contact
|
|
- Provides verification through trusted intermediary
|
|
- Useful for expanding secure networks
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="contact-verification-1">Contact Verification</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Identity Verification Process:
|
|
1. Exchange contact information through secure channel
|
|
2. Verify identity through predetermined questions or codes
|
|
3. Confirm connection through separate communication method
|
|
4. Establish communication protocols and schedules
|
|
5. Regular re-verification for high-value contacts
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="contact-security">Contact Security</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Contact Management Security:
|
|
- Use aliases instead of real names
|
|
- Regularly review and clean contact lists
|
|
- Remove contacts who are no longer active
|
|
- Monitor for unusual behavior or timing
|
|
- Implement contact rotation for high-risk operations
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="messaging-security">Messaging Security</h3>
|
|
|
|
<h4 id="message-types-and-features">Message Types and Features</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Briar Message Features:
|
|
1. Private Messages:
|
|
- One-to-one encrypted messaging
|
|
- Automatic forward secrecy
|
|
- Message deletion and retention controls
|
|
|
|
2. Private Groups:
|
|
- Small group messaging (recommended <10 people)
|
|
- Invitation-only membership
|
|
- Shared group keys and forward secrecy
|
|
|
|
3. Forums:
|
|
- Larger group discussions
|
|
- Topic-based organization
|
|
- Moderation and access controls
|
|
|
|
4. Blogs:
|
|
- One-to-many publishing
|
|
- RSS-like feed functionality
|
|
- Comment and discussion features
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="security-best-practices">Security Best Practices</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Briar Security Procedures:
|
|
1. Use coded language for sensitive topics
|
|
2. Enable message deletion timers when available
|
|
3. Regularly clear message history
|
|
4. Monitor contact online status patterns
|
|
5. Use different devices for different operational roles
|
|
6. Implement emergency deletion procedures
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="mesh-networking">Mesh Networking</h3>
|
|
|
|
<h4 id="local-mesh-setup">Local Mesh Setup</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Mesh Network Configuration:
|
|
1. Enable WiFi and Bluetooth on all devices
|
|
2. Ensure devices are within range (WiFi: 100m, Bluetooth: 30m)
|
|
3. Configure Briar to use local networks
|
|
4. Test message routing through intermediate devices
|
|
5. Establish mesh network protocols and procedures
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="mesh-security-considerations">Mesh Security Considerations</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Mesh Network Security:
|
|
- Only enable mesh in secure, controlled environments
|
|
- Monitor for unauthorized devices joining network
|
|
- Use temporary mesh networks for specific operations
|
|
- Disable mesh when not needed to reduce attack surface
|
|
- Implement physical security for mesh network areas
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="offline-message-storage">Offline Message Storage</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Store-and-Forward Messaging:
|
|
- Messages stored locally when contacts offline
|
|
- Automatic delivery when contacts come online
|
|
- Configurable storage limits and retention
|
|
- Encrypted storage on device
|
|
- Manual message deletion for sensitive content
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="operational-procedures-1">Operational Procedures</h3>
|
|
|
|
<h4 id="communication-protocols">Communication Protocols</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Briar Communication Protocols:
|
|
1. Regular Check-ins:
|
|
- Scheduled online times for message exchange
|
|
- Staggered schedules to avoid pattern analysis
|
|
- Emergency contact procedures
|
|
|
|
2. Message Handling:
|
|
- Immediate reading and response to urgent messages
|
|
- Delayed response for routine communications
|
|
- Message verification for critical information
|
|
|
|
3. Group Management:
|
|
- Clear roles and responsibilities
|
|
- Invitation and removal procedures
|
|
- Conflict resolution and moderation
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="emergency-procedures-1">Emergency Procedures</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Emergency Response with Briar:
|
|
1. Emergency Contacts:
|
|
- Predetermined emergency contact procedures
|
|
- Multiple backup contacts for redundancy
|
|
- Emergency message formats and codes
|
|
|
|
2. Compromise Response:
|
|
- Immediate contact removal if compromise suspected
|
|
- Message deletion and device sanitization
|
|
- Alternative contact methods activation
|
|
|
|
3. Network Disruption:
|
|
- Mesh networking activation for local communications
|
|
- Store-and-forward for delayed message delivery
|
|
- Physical meeting coordination through Briar
|
|
</code></pre></div></div>
|
|
|
|
<div class="success-box">
|
|
<div class="success-title">Briar Advantages</div>
|
|
<p>Briar's peer-to-peer architecture provides unique advantages: no central servers to compromise, offline messaging capability, and mesh networking for local communications. These features make it invaluable for high-security scenarios and network disruption situations.</p>
|
|
</div>
|
|
|
|
<hr />
|
|
|
|
<h2 id="section-4-4-signal-security-best-practices">Section 4-4: Signal Security Best Practices</h2>
|
|
|
|
<h3 id="overview-3">Overview</h3>
|
|
|
|
<p>While Signal is not recommended for the highest-security resistance communications due to phone number requirements and centralized infrastructure, it remains widely used and can be secured for medium-risk communications when properly configured and used with appropriate operational security.</p>
|
|
|
|
<h3 id="secure-installation-and-setup">Secure Installation and Setup</h3>
|
|
|
|
<h4 id="installation-security">Installation Security</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Secure Signal Installation:
|
|
1. Download only from official sources:
|
|
- iOS: Apple App Store
|
|
- Android: Google Play Store or Signal.org
|
|
- Desktop: signal.org/download
|
|
|
|
2. Verify installation integrity:
|
|
- Check app signatures and certificates
|
|
- Verify download checksums when available
|
|
- Use clean device for installation
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="registration-security">Registration Security</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Phone Number Considerations:
|
|
1. Use dedicated phone number not linked to real identity:
|
|
- Prepaid phone with cash purchase
|
|
- VoIP number from privacy-focused provider
|
|
- Temporary number for specific operations
|
|
|
|
2. Registration Process:
|
|
- Use VPN or Tor during registration
|
|
- Register from location unconnected to identity
|
|
- Disable SMS backup and cloud sync
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="initial-configuration-2">Initial Configuration</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Signal Security Settings:
|
|
□ Enable registration lock with strong PIN
|
|
□ Disable read receipts
|
|
□ Disable typing indicators
|
|
□ Enable disappearing messages (shortest duration)
|
|
□ Disable message notifications and previews
|
|
□ Enable screen lock and screen security
|
|
□ Disable automatic media downloads
|
|
□ Turn off contact discovery
|
|
□ Disable link previews
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="advanced-security-configuration-1">Advanced Security Configuration</h3>
|
|
|
|
<h4 id="privacy-settings-1">Privacy Settings</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Privacy Configuration:
|
|
1. Profile Settings:
|
|
- Use pseudonym instead of real name
|
|
- Avoid identifying profile photos
|
|
- Disable profile sharing with contacts
|
|
|
|
2. Contact Management:
|
|
- Manually add contacts instead of syncing
|
|
- Use contact names that don't reveal identity
|
|
- Regularly review and clean contact list
|
|
|
|
3. Group Settings:
|
|
- Disable group link sharing
|
|
- Require admin approval for new members
|
|
- Use descriptive but non-identifying group names
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="network-security-1">Network Security</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Network Protection:
|
|
1. VPN Usage:
|
|
- Always use VPN when using Signal
|
|
- Choose VPN provider with no-logging policy
|
|
- Use different VPN servers for different operations
|
|
|
|
2. Tor Integration:
|
|
- Use Signal through Tor proxy when possible
|
|
- Configure Orbot on Android for Tor routing
|
|
- Accept slower performance for better anonymity
|
|
|
|
3. Network Monitoring:
|
|
- Monitor for unusual network activity
|
|
- Use network analysis tools to verify Tor routing
|
|
- Avoid using Signal on monitored networks
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="operational-security-1">Operational Security</h3>
|
|
|
|
<h4 id="communication-protocols-1">Communication Protocols</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Signal OpSec Procedures:
|
|
1. Contact Verification:
|
|
- Verify safety numbers for all contacts
|
|
- Re-verify after app updates or device changes
|
|
- Use out-of-band verification for critical contacts
|
|
|
|
2. Message Security:
|
|
- Use coded language for sensitive topics
|
|
- Enable disappearing messages for all conversations
|
|
- Manually delete sensitive messages immediately
|
|
- Avoid sending identifying information
|
|
|
|
3. Group Management:
|
|
- Limit group size to operational necessity
|
|
- Use separate groups for different purposes
|
|
- Regularly review group membership
|
|
- Remove inactive or compromised members
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="device-security-1">Device Security</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Device Hardening for Signal:
|
|
1. Physical Security:
|
|
- Use strong device lock screen
|
|
- Enable remote wipe capability
|
|
- Avoid leaving device unattended
|
|
- Use device encryption
|
|
|
|
2. App Security:
|
|
- Keep Signal updated to latest version
|
|
- Enable app-specific lock if available
|
|
- Disable Signal in app switcher/recent apps
|
|
- Clear app cache regularly
|
|
|
|
3. Backup Security:
|
|
- Disable automatic cloud backups
|
|
- Use local encrypted backups only if necessary
|
|
- Regularly delete old backup files
|
|
- Secure backup storage and access
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="limitations-and-risks">Limitations and Risks</h3>
|
|
|
|
<h4 id="signal-limitations">Signal Limitations</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Known Signal Limitations:
|
|
1. Metadata Collection:
|
|
- Phone numbers linked to accounts
|
|
- Message timing and frequency data
|
|
- Contact discovery information
|
|
- Server connection logs
|
|
|
|
2. Centralized Infrastructure:
|
|
- Single point of failure and control
|
|
- Subject to legal demands and pressure
|
|
- Potential for service disruption
|
|
- Limited user control over security
|
|
|
|
3. Phone Number Requirement:
|
|
- Links account to identity verification system
|
|
- Enables contact discovery and correlation
|
|
- Difficult to maintain anonymity
|
|
- Vulnerable to SIM swapping attacks
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="risk-mitigation">Risk Mitigation</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Signal Risk Mitigation:
|
|
1. Use for medium-risk communications only
|
|
2. Combine with other communication layers
|
|
3. Implement strong operational security
|
|
4. Regular account rotation and cleanup
|
|
5. Monitor for service changes and updates
|
|
6. Prepare alternative communication methods
|
|
</code></pre></div></div>
|
|
|
|
<div class="warning-box">
|
|
<div class="warning-title">Signal Limitations</div>
|
|
<p>Signal's phone number requirement and centralized infrastructure make it unsuitable for high-risk resistance communications. Use Signal only for medium-risk scenarios and always in combination with more secure alternatives.</p>
|
|
</div>
|
|
|
|
<hr />
|
|
|
|
<h2 id="section-4-5-voice-communication-security">Section 4-5: Voice Communication Security</h2>
|
|
|
|
<h3 id="overview-4">Overview</h3>
|
|
|
|
<p>Voice communications present unique security challenges due to real-time requirements, voice recognition possibilities, and the difficulty of implementing strong encryption. This section covers secure voice communication methods and operational security procedures.</p>
|
|
|
|
<h3 id="secure-voice-technologies">Secure Voice Technologies</h3>
|
|
|
|
<h4 id="voip-security">VoIP Security</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Secure VoIP Configuration:
|
|
1. Signal Voice Calls:
|
|
- End-to-end encrypted voice calls
|
|
- Verify safety numbers before sensitive calls
|
|
- Use coded language and predetermined phrases
|
|
- Keep calls brief and focused
|
|
|
|
2. Element/Matrix Voice:
|
|
- Encrypted voice calls through Matrix protocol
|
|
- Self-hosted infrastructure for maximum control
|
|
- Group voice calls with access controls
|
|
- Integration with text messaging
|
|
|
|
3. Briar Voice (Future):
|
|
- Peer-to-peer voice calls without servers
|
|
- Currently in development
|
|
- Will provide maximum security when available
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="traditional-phone-security">Traditional Phone Security</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Landline and Mobile Security:
|
|
1. Operational Phones:
|
|
- Use dedicated phones not linked to identity
|
|
- Prepaid phones purchased with cash
|
|
- Regular phone rotation and disposal
|
|
- Physical security and access controls
|
|
|
|
2. Call Security:
|
|
- Assume all traditional calls are monitored
|
|
- Use only for non-sensitive communications
|
|
- Implement coded language and phrases
|
|
- Keep calls brief and infrequent
|
|
|
|
3. Location Security:
|
|
- Disable GPS and location services
|
|
- Use phones only in secure locations
|
|
- Avoid patterns in call timing and location
|
|
- Physical separation from personal devices
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="voice-operational-security">Voice Operational Security</h3>
|
|
|
|
<h4 id="call-planning">Call Planning</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Secure Call Procedures:
|
|
1. Pre-Call Planning:
|
|
- Determine necessity of voice communication
|
|
- Prepare coded language and key points
|
|
- Verify recipient identity and availability
|
|
- Choose secure location and timing
|
|
|
|
2. Call Execution:
|
|
- Verify recipient identity at call start
|
|
- Use predetermined identification phrases
|
|
- Speak clearly but avoid identifying characteristics
|
|
- Keep calls brief and focused on essential information
|
|
|
|
3. Post-Call Security:
|
|
- Verify information received through separate channel
|
|
- Document essential information securely
|
|
- Clear call logs and temporary data
|
|
- Monitor for signs of interception or compromise
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="voice-disguise-and-security">Voice Disguise and Security</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Voice Security Techniques:
|
|
1. Voice Modification:
|
|
- Speak in different pitch or tone
|
|
- Use accent or speech pattern changes
|
|
- Employ voice changing software when possible
|
|
- Practice consistent voice modifications
|
|
|
|
2. Language Security:
|
|
- Use coded language for sensitive topics
|
|
- Avoid names, locations, and specific details
|
|
- Employ predetermined phrases and responses
|
|
- Implement duress codes for emergency situations
|
|
|
|
3. Content Security:
|
|
- Limit sensitive information in voice calls
|
|
- Use voice for coordination, text for details
|
|
- Verify critical information through separate channels
|
|
- Avoid discussing operational specifics
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="emergency-voice-communications">Emergency Voice Communications</h3>
|
|
|
|
<h4 id="emergency-protocols">Emergency Protocols</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Emergency Voice Procedures:
|
|
1. Emergency Identification:
|
|
- Predetermined emergency phrases
|
|
- Duress codes indicating compromise
|
|
- Authentication challenges and responses
|
|
- Emergency contact escalation procedures
|
|
|
|
2. Emergency Information:
|
|
- Essential information only
|
|
- Predetermined emergency message formats
|
|
- Location and timing information
|
|
- Resource and assistance requirements
|
|
|
|
3. Emergency Response:
|
|
- Immediate response protocols
|
|
- Backup communication activation
|
|
- Security assessment and adjustment
|
|
- Follow-up verification procedures
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="backup-voice-systems">Backup Voice Systems</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Backup Voice Communication:
|
|
1. Amateur Radio:
|
|
- Licensed amateur radio operations
|
|
- Digital modes for text over radio
|
|
- Mesh networking and repeater systems
|
|
- Emergency communication networks
|
|
|
|
2. Satellite Communications:
|
|
- Satellite phones for remote areas
|
|
- Satellite internet for VoIP calls
|
|
- Emergency satellite communication services
|
|
- Cost and availability considerations
|
|
|
|
3. Mesh Voice Networks:
|
|
- Local mesh networking with voice capability
|
|
- Peer-to-peer voice over WiFi
|
|
- Offline voice communication systems
|
|
- Integration with existing mesh networks
|
|
</code></pre></div></div>
|
|
|
|
<div class="info-box">
|
|
<div class="info-title">Voice Communication Limits</div>
|
|
<p>Voice communications should be used sparingly in resistance operations due to security limitations. Prioritize text-based communications for most coordination, using voice only when real-time interaction is essential and cannot be achieved through other means.</p>
|
|
</div>
|
|
|
|
<hr />
|
|
|
|
<h2 id="section-4-6-group-communication-management">Section 4-6: Group Communication Management</h2>
|
|
|
|
<h3 id="overview-5">Overview</h3>
|
|
|
|
<p>Group communications present amplified security challenges due to multiple participants, varied security practices, and increased metadata exposure. This section provides frameworks for managing group communications securely while maintaining operational effectiveness.</p>
|
|
|
|
<h3 id="group-security-architecture">Group Security Architecture</h3>
|
|
|
|
<h4 id="group-types-and-security-levels">Group Types and Security Levels</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Group Classification:
|
|
1. High-Security Cells (3-7 members):
|
|
- Operational planning and coordination
|
|
- Maximum security protocols required
|
|
- Layer 1 communications (Session, Briar)
|
|
- Strict access controls and verification
|
|
|
|
2. Coordination Groups (8-15 members):
|
|
- Cross-cell coordination and resource sharing
|
|
- High security with collaboration features
|
|
- Layer 2 communications (Matrix/Element)
|
|
- Role-based access and permissions
|
|
|
|
3. Support Networks (16+ members):
|
|
- Broader support and resource networks
|
|
- Medium security with usability focus
|
|
- Layer 2/3 communications
|
|
- Moderated access and content controls
|
|
|
|
4. Public Communications (unlimited):
|
|
- Public outreach and information sharing
|
|
- Layer 4 broadcasting systems
|
|
- Anonymous participation options
|
|
- Open access with moderation
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="group-formation-protocols">Group Formation Protocols</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Secure Group Creation:
|
|
1. Purpose Definition:
|
|
- Clear operational purpose and scope
|
|
- Security requirements assessment
|
|
- Participant role definitions
|
|
- Communication protocols establishment
|
|
|
|
2. Member Selection:
|
|
- Operational necessity verification
|
|
- Security clearance and vetting
|
|
- Role-appropriate access levels
|
|
- Ongoing membership review
|
|
|
|
3. Technical Setup:
|
|
- Appropriate platform selection
|
|
- Security configuration implementation
|
|
- Access controls and permissions
|
|
- Backup and recovery procedures
|
|
|
|
4. Operational Procedures:
|
|
- Communication protocols and schedules
|
|
- Information sharing guidelines
|
|
- Conflict resolution procedures
|
|
- Emergency response protocols
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="group-access-controls">Group Access Controls</h3>
|
|
|
|
<h4 id="role-based-permissions">Role-Based Permissions</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Group Role Structure:
|
|
1. Administrators:
|
|
- Full group management permissions
|
|
- Member addition and removal authority
|
|
- Security configuration control
|
|
- Emergency response coordination
|
|
|
|
2. Moderators:
|
|
- Content moderation and enforcement
|
|
- Limited member management
|
|
- Protocol enforcement authority
|
|
- Conflict resolution responsibility
|
|
|
|
3. Active Members:
|
|
- Full participation in group discussions
|
|
- File sharing and collaboration access
|
|
- Voice in group decisions
|
|
- Operational task assignments
|
|
|
|
4. Observers:
|
|
- Read-only access to group content
|
|
- Limited participation in discussions
|
|
- No access to sensitive materials
|
|
- Probationary or support role status
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="access-control-implementation">Access Control Implementation</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Technical Access Controls:
|
|
1. Matrix/Element Groups:
|
|
- Power level configuration for different roles
|
|
- Room encryption and access controls
|
|
- Invitation-only membership
|
|
- Message retention and deletion policies
|
|
|
|
2. Signal Groups:
|
|
- Admin approval for new members
|
|
- Disappearing messages for all participants
|
|
- Group link sharing disabled
|
|
- Regular membership review and cleanup
|
|
|
|
3. Briar Groups:
|
|
- Invitation-only private groups
|
|
- Peer-to-peer verification required
|
|
- Local group management
|
|
- Offline capability maintenance
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="group-communication-protocols">Group Communication Protocols</h3>
|
|
|
|
<h4 id="information-sharing-guidelines">Information Sharing Guidelines</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Group Information Security:
|
|
1. Classification Levels:
|
|
- Public: Shareable without restriction
|
|
- Internal: Group members only
|
|
- Restricted: Specific roles only
|
|
- Classified: Administrators only
|
|
|
|
2. Sharing Protocols:
|
|
- Clear marking of information sensitivity
|
|
- Verification of recipient authorization
|
|
- Secure transmission methods
|
|
- Access logging and monitoring
|
|
|
|
3. Content Guidelines:
|
|
- No personal identifying information
|
|
- Coded language for sensitive topics
|
|
- Operational security considerations
|
|
- Legal and safety implications
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="discussion-management">Discussion Management</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Group Discussion Protocols:
|
|
1. Topic Management:
|
|
- Separate channels for different topics
|
|
- Clear topic guidelines and scope
|
|
- Moderation of off-topic discussions
|
|
- Archive and retention policies
|
|
|
|
2. Participation Guidelines:
|
|
- Respectful and professional communication
|
|
- Constructive contribution requirements
|
|
- Conflict resolution procedures
|
|
- Enforcement and consequences
|
|
|
|
3. Security Reminders:
|
|
- Regular security awareness messages
|
|
- Operational security reminders
|
|
- Protocol updates and changes
|
|
- Emergency procedure reviews
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="group-compromise-response">Group Compromise Response</h3>
|
|
|
|
<h4 id="compromise-detection">Compromise Detection</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Compromise Indicators:
|
|
1. Technical Indicators:
|
|
- Unusual login patterns or locations
|
|
- Unexpected message deletions or modifications
|
|
- New members without proper authorization
|
|
- System configuration changes
|
|
|
|
2. Behavioral Indicators:
|
|
- Unusual communication patterns
|
|
- Inappropriate information requests
|
|
- Violation of established protocols
|
|
- Suspicious timing or coordination
|
|
|
|
3. External Indicators:
|
|
- Law enforcement activity
|
|
- Media attention or exposure
|
|
- Adversary knowledge of group activities
|
|
- Correlation with other security incidents
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="response-procedures">Response Procedures</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Group Compromise Response:
|
|
1. Immediate Actions:
|
|
- Suspend group communications
|
|
- Notify all members through backup channels
|
|
- Assess scope and impact of compromise
|
|
- Implement emergency security measures
|
|
|
|
2. Investigation:
|
|
- Determine source and method of compromise
|
|
- Assess information exposed or stolen
|
|
- Identify affected members and operations
|
|
- Document lessons learned
|
|
|
|
3. Recovery:
|
|
- Create new secure group with updated security
|
|
- Re-verify all member identities
|
|
- Implement additional security measures
|
|
- Resume operations with enhanced protocols
|
|
|
|
4. Prevention:
|
|
- Update security procedures based on lessons learned
|
|
- Provide additional training to group members
|
|
- Implement monitoring and detection improvements
|
|
- Regular security assessments and reviews
|
|
</code></pre></div></div>
|
|
|
|
<div class="warning-box">
|
|
<div class="warning-title">Group Security Challenges</div>
|
|
<p>Group communications are inherently less secure than one-to-one communications due to multiple participants, varied security practices, and increased attack surface. Implement strict security protocols and regular security reviews for all group communications.</p>
|
|
</div>
|
|
|
|
<hr />
|
|
|
|
<h2 id="section-4-7-message-verification-and-authentication">Section 4-7: Message Verification and Authentication</h2>
|
|
|
|
<h3 id="overview-6">Overview</h3>
|
|
|
|
<p>Message verification and authentication ensure that communications are genuine, unmodified, and from verified senders. This is critical in resistance operations where disinformation, impersonation, and message manipulation are common adversary tactics.</p>
|
|
|
|
<h3 id="cryptographic-verification">Cryptographic Verification</h3>
|
|
|
|
<h4 id="digital-signatures">Digital Signatures</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Message Signing Process:
|
|
1. PGP/GPG Signatures:
|
|
- Generate PGP key pair for signing
|
|
- Sign all sensitive messages with private key
|
|
- Recipients verify with public key
|
|
- Maintain secure key management practices
|
|
|
|
2. Signal Protocol Verification:
|
|
- Automatic cryptographic signatures
|
|
- Safety number verification between contacts
|
|
- Forward secrecy and message authentication
|
|
- Regular verification of contact keys
|
|
|
|
3. Matrix/Element Verification:
|
|
- Cross-signing device verification
|
|
- Message authentication codes
|
|
- Key verification through multiple channels
|
|
- Regular key rotation and verification
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="key-management">Key Management</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Cryptographic Key Security:
|
|
1. Key Generation:
|
|
- Use secure random number generation
|
|
- Generate keys on secure, offline systems
|
|
- Use strong key lengths (RSA 4096, ECC 384)
|
|
- Implement proper key backup and recovery
|
|
|
|
2. Key Distribution:
|
|
- Verify key fingerprints through out-of-band channels
|
|
- Use key signing parties for verification
|
|
- Implement web of trust for key validation
|
|
- Regular key rotation and update procedures
|
|
|
|
3. Key Storage:
|
|
- Encrypt private keys with strong passphrases
|
|
- Store keys on secure, encrypted devices
|
|
- Implement key escrow for critical operations
|
|
- Regular backup and recovery testing
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="authentication-protocols">Authentication Protocols</h3>
|
|
|
|
<h4 id="identity-verification">Identity Verification</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Contact Authentication Methods:
|
|
1. Out-of-Band Verification:
|
|
- Phone calls to verify identity
|
|
- In-person meetings for key exchange
|
|
- Trusted intermediary introductions
|
|
- Physical document verification
|
|
|
|
2. Challenge-Response Authentication:
|
|
- Predetermined questions and answers
|
|
- Shared secret verification
|
|
- Historical knowledge verification
|
|
- Behavioral pattern recognition
|
|
|
|
3. Multi-Factor Authentication:
|
|
- Something you know (password/passphrase)
|
|
- Something you have (device/token)
|
|
- Something you are (biometric/behavioral)
|
|
- Somewhere you are (location verification)
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="message-authentication">Message Authentication</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Message Verification Procedures:
|
|
1. Content Verification:
|
|
- Cryptographic signature verification
|
|
- Message integrity checking
|
|
- Timestamp validation
|
|
- Source authentication
|
|
|
|
2. Context Verification:
|
|
- Message content consistency
|
|
- Timing and sequence verification
|
|
- Cross-reference with other sources
|
|
- Operational context validation
|
|
|
|
3. Behavioral Verification:
|
|
- Writing style and pattern analysis
|
|
- Communication timing patterns
|
|
- Operational knowledge verification
|
|
- Relationship context validation
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="anti-spoofing-measures">Anti-Spoofing Measures</h3>
|
|
|
|
<h4 id="impersonation-detection">Impersonation Detection</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Impersonation Prevention:
|
|
1. Technical Measures:
|
|
- Strong cryptographic authentication
|
|
- Device fingerprinting and verification
|
|
- Network analysis and monitoring
|
|
- Automated anomaly detection
|
|
|
|
2. Procedural Measures:
|
|
- Regular identity verification
|
|
- Predetermined authentication protocols
|
|
- Suspicious activity reporting
|
|
- Cross-verification through multiple channels
|
|
|
|
3. Human Factors:
|
|
- Training in impersonation detection
|
|
- Awareness of social engineering tactics
|
|
- Verification of unusual requests
|
|
- Reporting of suspicious communications
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="message-integrity-protection">Message Integrity Protection</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Integrity Verification:
|
|
1. Cryptographic Protection:
|
|
- Message authentication codes (MAC)
|
|
- Digital signatures for non-repudiation
|
|
- Hash verification for content integrity
|
|
- Timestamp verification for freshness
|
|
|
|
2. Operational Protection:
|
|
- Message sequence numbering
|
|
- Duplicate message detection
|
|
- Replay attack prevention
|
|
- Message correlation and validation
|
|
|
|
3. Recovery Procedures:
|
|
- Integrity failure response protocols
|
|
- Message re-transmission procedures
|
|
- Alternative verification methods
|
|
- Incident reporting and investigation
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="verification-protocols">Verification Protocols</h3>
|
|
|
|
<h4 id="routine-verification">Routine Verification</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Regular Verification Procedures:
|
|
1. Daily Operations:
|
|
- Verify sender identity for all sensitive messages
|
|
- Check message signatures and authentication
|
|
- Cross-reference with expected communications
|
|
- Report anomalies and suspicious activity
|
|
|
|
2. Weekly Reviews:
|
|
- Review all contact verifications
|
|
- Update authentication credentials
|
|
- Assess verification procedure effectiveness
|
|
- Train participants in verification techniques
|
|
|
|
3. Monthly Audits:
|
|
- Comprehensive verification system review
|
|
- Update verification procedures and protocols
|
|
- Assess and address verification failures
|
|
- Implement improvements and enhancements
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="emergency-verification">Emergency Verification</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Emergency Authentication:
|
|
1. Duress Codes:
|
|
- Predetermined phrases indicating compromise
|
|
- Subtle indicators of coercion
|
|
- Emergency authentication procedures
|
|
- Backup verification methods
|
|
|
|
2. Emergency Contacts:
|
|
- Alternative contact methods for verification
|
|
- Trusted intermediaries for authentication
|
|
- Emergency communication protocols
|
|
- Rapid response verification procedures
|
|
|
|
3. Crisis Response:
|
|
- Immediate verification of emergency communications
|
|
- Rapid authentication of crisis information
|
|
- Emergency decision-making protocols
|
|
- Post-crisis verification and assessment
|
|
</code></pre></div></div>
|
|
|
|
<div class="success-box">
|
|
<div class="success-title">Verification Culture</div>
|
|
<p>Effective message verification requires developing a culture where verification is routine and expected. All participants must understand the importance of verification and consistently apply verification procedures without exception.</p>
|
|
</div>
|
|
|
|
<hr />
|
|
|
|
<h2 id="section-4-8-communication-scheduling-and-protocols">Section 4-8: Communication Scheduling and Protocols</h2>
|
|
|
|
<h3 id="overview-7">Overview</h3>
|
|
|
|
<p>Communication scheduling and protocols provide the operational framework for secure communications, defining when, how, and under what circumstances different communication methods should be used. Proper scheduling minimizes metadata exposure while ensuring operational effectiveness.</p>
|
|
|
|
<h3 id="communication-scheduling">Communication Scheduling</h3>
|
|
|
|
<h4 id="timing-security">Timing Security</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Temporal Security Principles:
|
|
1. Pattern Avoidance:
|
|
- Avoid regular communication schedules
|
|
- Randomize communication timing
|
|
- Use predetermined time windows
|
|
- Implement communication blackout periods
|
|
|
|
2. Time Delays:
|
|
- Introduce random delays between messages
|
|
- Use store-and-forward for non-urgent communications
|
|
- Implement minimum delay periods
|
|
- Coordinate timing across multiple participants
|
|
|
|
3. Operational Timing:
|
|
- Align communications with operational requirements
|
|
- Avoid communications during high-risk periods
|
|
- Coordinate timing with other operational activities
|
|
- Plan for emergency communication needs
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="schedule-development">Schedule Development</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Communication Schedule Planning:
|
|
1. Operational Requirements:
|
|
- Identify communication needs and timing
|
|
- Assess urgency and priority levels
|
|
- Determine participant availability
|
|
- Plan for contingencies and emergencies
|
|
|
|
2. Security Considerations:
|
|
- Assess surveillance and monitoring risks
|
|
- Implement timing randomization
|
|
- Plan for communication security measures
|
|
- Coordinate with other security protocols
|
|
|
|
3. Resource Allocation:
|
|
- Assign communication responsibilities
|
|
- Allocate technical resources and infrastructure
|
|
- Plan for backup and redundancy
|
|
- Implement monitoring and maintenance
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="protocol-development">Protocol Development</h3>
|
|
|
|
<h4 id="communication-protocols-2">Communication Protocols</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Protocol Framework:
|
|
1. Purpose and Scope:
|
|
- Define communication objectives
|
|
- Identify participants and roles
|
|
- Establish security requirements
|
|
- Determine success criteria
|
|
|
|
2. Technical Specifications:
|
|
- Select appropriate communication tools
|
|
- Configure security settings
|
|
- Implement access controls
|
|
- Establish backup procedures
|
|
|
|
3. Operational Procedures:
|
|
- Define communication workflows
|
|
- Establish authentication procedures
|
|
- Implement verification protocols
|
|
- Plan for emergency situations
|
|
|
|
4. Monitoring and Review:
|
|
- Implement effectiveness monitoring
|
|
- Regular protocol review and updates
|
|
- Incident response and improvement
|
|
- Training and compliance enforcement
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="protocol-implementation">Protocol Implementation</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Implementation Process:
|
|
1. Planning Phase:
|
|
- Develop detailed implementation plan
|
|
- Identify required resources and training
|
|
- Assess risks and mitigation strategies
|
|
- Establish timeline and milestones
|
|
|
|
2. Testing Phase:
|
|
- Test protocols in safe environments
|
|
- Verify technical functionality
|
|
- Train participants in procedures
|
|
- Identify and address issues
|
|
|
|
3. Deployment Phase:
|
|
- Gradual rollout of new protocols
|
|
- Monitor implementation effectiveness
|
|
- Provide ongoing support and training
|
|
- Adjust protocols based on experience
|
|
|
|
4. Maintenance Phase:
|
|
- Regular protocol review and updates
|
|
- Ongoing training and compliance monitoring
|
|
- Incident response and improvement
|
|
- Long-term effectiveness assessment
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="emergency-communication-protocols">Emergency Communication Protocols</h3>
|
|
|
|
<h4 id="emergency-procedures-2">Emergency Procedures</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Emergency Communication Framework:
|
|
1. Emergency Classification:
|
|
- Immediate threat to personnel safety
|
|
- Operational compromise or exposure
|
|
- Communication system failure
|
|
- External crisis or disruption
|
|
|
|
2. Emergency Response:
|
|
- Immediate notification procedures
|
|
- Emergency contact activation
|
|
- Backup communication system deployment
|
|
- Crisis coordination and management
|
|
|
|
3. Emergency Recovery:
|
|
- Damage assessment and analysis
|
|
- System restoration and recovery
|
|
- Lessons learned and improvement
|
|
- Return to normal operations
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="contingency-planning">Contingency Planning</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Contingency Communication Plans:
|
|
1. System Failure:
|
|
- Primary system backup procedures
|
|
- Alternative communication methods
|
|
- Emergency contact protocols
|
|
- Service restoration procedures
|
|
|
|
2. Compromise Response:
|
|
- Immediate isolation and containment
|
|
- Alternative system activation
|
|
- Participant notification and protection
|
|
- Investigation and recovery
|
|
|
|
3. External Disruption:
|
|
- Network outage response
|
|
- Censorship and blocking countermeasures
|
|
- Physical security threats
|
|
- Legal and regulatory challenges
|
|
</code></pre></div></div>
|
|
|
|
<h3 id="protocol-compliance-and-enforcement">Protocol Compliance and Enforcement</h3>
|
|
|
|
<h4 id="compliance-monitoring">Compliance Monitoring</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Protocol Compliance Framework:
|
|
1. Monitoring Systems:
|
|
- Automated compliance checking
|
|
- Regular audit and review procedures
|
|
- Participant self-assessment
|
|
- Peer review and feedback
|
|
|
|
2. Compliance Metrics:
|
|
- Protocol adherence rates
|
|
- Security incident frequency
|
|
- Communication effectiveness measures
|
|
- Participant satisfaction and feedback
|
|
|
|
3. Improvement Process:
|
|
- Regular protocol review and updates
|
|
- Training and education programs
|
|
- Incentive and recognition systems
|
|
- Corrective action procedures
|
|
</code></pre></div></div>
|
|
|
|
<h4 id="enforcement-procedures">Enforcement Procedures</h4>
|
|
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Protocol Enforcement:
|
|
1. Education and Training:
|
|
- Initial protocol training for all participants
|
|
- Regular refresher training and updates
|
|
- Specialized training for specific roles
|
|
- Ongoing education and awareness
|
|
|
|
2. Monitoring and Feedback:
|
|
- Regular compliance monitoring
|
|
- Constructive feedback and guidance
|
|
- Recognition of good practices
|
|
- Early intervention for issues
|
|
|
|
3. Corrective Action:
|
|
- Progressive discipline for violations
|
|
- Additional training and support
|
|
- Temporary restriction of access
|
|
- Removal from communication systems
|
|
|
|
4. Continuous Improvement:
|
|
- Regular protocol effectiveness review
|
|
- Participant feedback integration
|
|
- Best practice identification and sharing
|
|
- Protocol updates and enhancements
|
|
</code></pre></div></div>
|
|
|
|
<div class="info-box">
|
|
<div class="info-title">Protocol Evolution</div>
|
|
<p>Communication protocols must evolve continuously as threats change, technology advances, and operational requirements shift. Regular review and updating of protocols ensures continued effectiveness and security.</p>
|
|
</div>
|
|
|
|
<hr />
|
|
|
|
<h2 id="chapter-summary">Chapter Summary</h2>
|
|
|
|
<p>Chapter 4 has provided comprehensive guidance for implementing secure messaging and voice communications within the multi-layer communication architecture:</p>
|
|
|
|
<p><strong>Section 4-1</strong> covered Session Messenger configuration for maximum-security real-time communications with onion routing and metadata protection.</p>
|
|
|
|
<p><strong>Section 4-2</strong> detailed Element/Matrix self-hosted setup for secure collaboration systems with end-to-end encryption and rich features.</p>
|
|
|
|
<p><strong>Section 4-3</strong> explained Briar peer-to-peer messaging for decentralized communications without central servers.</p>
|
|
|
|
<p><strong>Section 4-4</strong> provided Signal security best practices for medium-risk communications with proper operational security.</p>
|
|
|
|
<p><strong>Section 4-5</strong> addressed voice communication security challenges and secure voice communication methods.</p>
|
|
|
|
<p><strong>Section 4-6</strong> covered group communication management with appropriate security controls and access management.</p>
|
|
|
|
<p><strong>Section 4-7</strong> detailed message verification and authentication procedures to ensure communication integrity and authenticity.</p>
|
|
|
|
<p><strong>Section 4-8</strong> established communication scheduling and protocols for operational effectiveness while maintaining security.</p>
|
|
|
|
<h3 id="implementation-priorities">Implementation Priorities</h3>
|
|
|
|
<p>For new resistance networks, implement secure messaging capabilities in this order:</p>
|
|
|
|
<ol>
|
|
<li><strong>Basic Secure Messaging:</strong> Start with Signal or Session for immediate secure communication needs</li>
|
|
<li><strong>Group Collaboration:</strong> Deploy Matrix/Element for group coordination and collaboration</li>
|
|
<li><strong>High-Security Communications:</strong> Implement Briar for maximum-security scenarios</li>
|
|
<li><strong>Voice Communications:</strong> Add secure voice capabilities as operationally required</li>
|
|
<li><strong>Advanced Protocols:</strong> Develop sophisticated communication protocols and procedures</li>
|
|
</ol>
|
|
|
|
<h3 id="integration-with-file-sharing">Integration with File Sharing</h3>
|
|
|
|
<p>The messaging systems covered in this chapter provide the foundation for secure communications, but many resistance operations also require secure file sharing and collaboration capabilities. Chapter 5 builds on these messaging foundations to provide comprehensive file sharing and collaboration security.</p>
|
|
|
|
<hr />
|
|
|
|
<p><strong>Next:</strong> <a href="/chapters/chapter-5/">Chapter 5: File Sharing and Collaboration →</a></p>
|
|
|
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<nav class="section-nav">
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<a href="/chapters/chapter-3/" class="nav-link">
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<a href="/chapters/chapter-5/" class="nav-link">
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<span>Chapter 5: File Sharing</span>
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<div class="organization">Department of Internautics</div>
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<div>Bureau of Decentralized Resistance</div>
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<div>FM-R1 - Version 1.0 - 2025-08-28</div>
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<div style="margin-top: 1rem;">
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<a href="https://resist.is" target="_blank">resist.is</a> |
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<a href="https://git.hacker.supply/Department_of_Internautics/field_guide" target="_blank">Source Code</a>
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