Squawk DNS System Release Notes¶

v2.1.0 - Enterprise Threat Intelligence and Multi-Tier Release¶

Release Date: August 2025
Release Type: Major Feature Release with Advanced Threat Intelligence and Enterprise Restructuring
Breaking Changes: Enterprise licensing model restructured (existing licenses remain valid)

🎉 What's New in v2.1.0¶

This major release introduces comprehensive threat intelligence capabilities and restructures our enterprise offerings to better serve different organizational needs. Key highlights include:

🛡️ Complete TAXII/STIX 2.1 Support: Full integration with enterprise threat intelligence platforms
🔍 OpenIOC Format Support: Enhanced parsing of industry-standard IOC formats
💰 New Enterprise Tiers: Self-Hosted ($5/user) and Cloud-Hosted ($7/user) options
🌐 Advanced Threat Intelligence: Unlimited feeds for enterprise customers
☁️ Cloud-Hosted Services: Managed infrastructure with 99.9% SLA
🔧 Enhanced Licensing: Granular feature control across all tiers

🛡️ Advanced Threat Intelligence Integration (NEW)¶

TAXII 2.x / STIX 2.1 Support¶

TAXII 2.x Client: Full TAXII 2.x server integration with collection discovery and authentication
STIX 2.1 Parser: Complete STIX 2.1 bundle parsing with support for indicators, malware, and cyber observables
Authentication Support: Bearer token, Basic Auth, and API key authentication for TAXII servers
Incremental Updates: Support for added_after timestamp filtering for efficient updates
SSL Configuration: Configurable SSL verification for internal or testing TAXII servers
Multi-Object Parsing: Extracts indicators from STIX Indicators, Malware descriptions, and Cyber Observable Objects

OpenIOC Format Support¶

Enhanced OpenIOC Parser: Complete IOC XML parsing with network indicator extraction
Context Awareness: Extracts IOC metadata including names, descriptions, and context types
Network Indicator Focus: Prioritizes DNS/domain and IP indicators relevant to DNS blocking
URL Extraction: Automatically extracts domains from URL indicators in OpenIOC files
IP Range Support: Handles CIDR notation and IP ranges in OpenIOC indicators
Metadata Preservation: Maintains OpenIOC context and attribution information

Community Threat Intelligence Feeds (FREE)¶

1 Feed Limit: Community users get access to one configurable threat intelligence feed
Popular Feed Templates: Pre-configured templates for STIX, TAXII, and OpenIOC feeds
Format Support: TXT, CSV, JSON, XML, STIX 2.1, OpenIOC, YARA, and Snort rule parsing
Automatic Updates: Configurable update intervals (1-24 hours) with automatic feed refresh
Real-time Blocking: Immediate DNS blocking of indicators from threat intelligence feeds

Enterprise Self-Hosted ($5/user/month)¶

Unlimited Feeds: No limits on number of threat intelligence sources
Admin Configuration Interface: Web-based threat feed management and configuration
Advanced Parsing: Support for complex STIX relationships and advanced OpenIOC contexts
Priority Processing: Enterprise feeds get processing priority and faster update cycles
Self-Managed Infrastructure: Customer controls deployment and updates

Enterprise Cloud-Hosted ($7/user/month)¶

All Self-Hosted Features: Complete enterprise feature set
Managed Infrastructure: Penguin Technologies operates and maintains servers
Custom Feed Development: Support for proprietary and custom threat intelligence formats
Advanced Threat Intelligence Curation: Enhanced and curated threat feeds
99.9% SLA: Guaranteed uptime with redundant infrastructure
Global CDN: Edge locations for optimal performance

🔧 Technical Implementation Details¶

TAXII 2.x Client Architecture¶

Discovery Protocol: Automatic API root and collection discovery
Robust Authentication: Support for multiple auth methods with fallback mechanisms
Incremental Synchronization: Efficient updates using timestamps to reduce bandwidth
Error Handling: Comprehensive retry logic with exponential backoff
SSL/TLS Flexibility: Configurable certificate validation for enterprise environments

Enhanced IOC Processing Engine¶

Multi-Format Parser: Unified parsing engine supporting 8+ threat intelligence formats
Confidence Scoring: Intelligent confidence mapping from various feed formats
Contextual Extraction: Preserves threat attribution and contextual information
Performance Optimization: In-memory caching with database persistence
Real-time Integration: Immediate DNS blocking without service restart

Database Schema Enhancements¶

-- New threat intelligence tables
ioc_feeds          -- Feed configurations and metadata
ioc_entries        -- Individual threat indicators
ioc_overrides      -- User/token specific overrides
ioc_stats          -- Performance and usage statistics

Environment Variables for Threat Intelligence¶

# Community Threat Intelligence (1 feed limit)
ENABLE_THREAT_INTEL=true
THREAT_FEED_UPDATE_HOURS=6
MAX_COMMUNITY_FEEDS=1

# Enterprise Threat Intelligence (unlimited)
ENABLE_ENTERPRISE_THREAT_INTEL=true
MAX_ENTERPRISE_FEEDS=unlimited
THREAT_INTEL_PRIORITY_PROCESSING=true

# TAXII Configuration
TAXII_SERVER_URL=https://taxii-server.com/taxii2/
TAXII_COLLECTION_ID=indicators
TAXII_AUTH_TYPE=bearer
TAXII_TOKEN=your-token-here
TAXII_VERIFY_SSL=true

# OpenIOC Configuration  
OPENIOC_EXTRACT_NETWORK=true
OPENIOC_EXTRACT_FILE=false
OPENIOC_CONFIDENCE_DEFAULT=75

💰 New Enterprise Pricing Structure¶

Squawk DNS now offers three distinct tiers to meet different organizational needs:

Community Edition (Free)¶

Perfect for individual users and small teams - ✅ Basic DNS resolution and caching - ✅ Standard DNS-over-HTTPS support - ✅ mTLS authentication - ✅ 1 threat intelligence feed - ✅ Basic web console - ✅ Community support via GitHub

Enterprise Self-Hosted ($5/user/month)¶

Ideal for organizations wanting control over their infrastructure - ✅ All Community Features - ✅ Unlimited threat intelligence feeds with advanced parsers - ✅ Selective DNS routing with per-user/group access control - ✅ Advanced token management and user authentication - ✅ Multi-tenant architecture with organizational isolation - ✅ SAML/LDAP/SSO integration for enterprise identity providers - ✅ Priority DNS processing for faster response times - ✅ Enhanced caching with advanced optimization - ✅ Technical support with SLA guarantees - ✅ Self-managed - customer controls infrastructure and updates

Enterprise Cloud-Hosted ($7/user/month)¶

Complete managed solution with enterprise-grade reliability - ✅ All Self-Hosted Features - ✅ Managed infrastructure operated by Penguin Technologies - ✅ 99.9% SLA with redundant, fault-tolerant infrastructure - ✅ Automatic updates with zero-downtime deployments - ✅ 24/7 monitoring with proactive alerting and incident response - ✅ Compliance reporting for SOC2, HIPAA, GDPR requirements
- ✅ Global CDN with edge locations for optimal worldwide performance - ✅ Advanced threat intelligence curation with enhanced feed quality - ✅ Custom integrations and dedicated development resources - ✅ 24/7 dedicated support with guaranteed response times - ✅ Priority processing - highest priority across all users

🎯 Choosing the Right Tier¶

Use Case	Recommended Tier	Why
Individual/Home	Community	Free, basic features sufficient
Small Business	Self-Hosted	Cost-effective, full enterprise features
Mid-size Company	Self-Hosted	Control infrastructure, reduced costs
Enterprise Corp	Cloud-Hosted	Managed service, SLA, compliance
Regulated Industry	Cloud-Hosted	Compliance reporting, audit trails
Global Organization	Cloud-Hosted	Multi-region, CDN performance

🔄 Migration Guide for v2.1.0¶

From v1.x to v2.1.0¶

Existing Enterprise Customers - ✅ No Action Required: Existing enterprise licenses automatically map to appropriate tier - ✅ Feature Continuity: All current features remain available - ✅ Automatic Detection: System automatically detects and applies correct licensing tier - 📧 Contact Sales: For cloud-hosted migration assistance

Community Users - ✅ Seamless Upgrade: All existing functionality preserved - 🆕 New Threat Intel: Can now configure 1 threat intelligence feed - 📈 Upgrade Path: Clear options to Enterprise Self-Hosted or Cloud-Hosted

New Installations - 🆕 Enhanced Setup: New licensing options during initial configuration - 📚 Improved Documentation: Updated guides for all three tiers - 🎯 Tier Selection: Built-in recommendations based on organization size and needs

License Mapping from v1.x¶

v1.x License	v2.1.0 Tier	Features	Action Required
Community	Community	Same + 1 threat feed	None
Enterprise	Self-Hosted	All features + unlimited threat intel	None
Custom/Enterprise+	Cloud-Hosted	Managed service + SLA	Contact sales for migration

Database Schema Updates¶

v2.1.0 includes automatic database migrations for: - New threat intelligence tables (ioc_feeds, ioc_entries, ioc_overrides, ioc_stats) - Enhanced licensing metadata - Backward-compatible schema changes

No manual database intervention required - migrations run automatically on first startup.

🛠️ Build System & CI/CD Improvements¶

Build Standardization¶

Python 3.13 Standardization: All Python components now use Python 3.13 across Docker, CI/CD, and documentation
Go 1.23 Standardization: All Go components standardized on Go 1.23 with removed toolchain specifications
Virtual Environment Isolation: Implemented proper virtual environments in all Docker containers to prevent system package conflicts
Simplified Build Matrix: Removed complex matrix strategies for more reliable single-version builds

GitHub Actions Enhancements¶

Separate Build Verification: Added dedicated build job that runs on both PRs and main branch pushes
Security Tools Update: Updated to official github.com/securego/gosec repository (8,401+ stars, actively maintained)
Docker Syntax Fixes: Fixed Docker build command syntax errors in CI/CD workflows
LDAP Dependencies: Added comprehensive LDAP development packages for python-ldap compilation

🔐 Security Improvements¶

Go Security Enhancements¶

Zero Security Issues: Resolved all 9 security issues found by gosec scanner
Safe Integer Conversions: Added safeUint32() function to prevent integer overflow vulnerabilities
File Permissions: Updated file permissions from 0644 to 0600 for sensitive configuration files
Security Tool Standards: Documented security tools in CLAUDE.md to prevent future tool selection issues

Documentation Security¶

Security Tools Standard: Added official security scanning tools to development guidelines
Version Standards: Documented Go 1.23 and Python 3.13 standards to prevent version conflicts

🌐 Website & Documentation Fixes¶

Footer Links Fixed: Footer navigation links now properly appear as clickable links using inline styles
Documentation Page URLs: Updated documentation page links to match MkDocs URL structure
Bootstrap Compatibility: Resolved Bootstrap CSS conflicts with Next.js Link components

Documentation Structure¶

MkDocs Integration: Properly configured for docs.squawkdns.com Cloudflare Pages deployment
API Documentation: Enhanced API.md with comprehensive endpoint documentation
URL Standardization: All documentation references now use consistent squawkdns.com domain

🧹 Code Quality & Maintenance¶

Development Environment¶

Docker Build Reliability: Fixed multiple Docker build failures with proper dependency management
Package Dependencies: Resolved missing system dependencies for LDAP and SSL libraries
Testing Infrastructure: Enhanced test execution within Docker containers for environment parity

Configuration Management¶

Environment Variable Documentation: Updated CLAUDE.md with complete configuration reference
Build Documentation: Added clear build system standards to prevent future compatibility issues

🐛 Bug Fixes¶

Docker Multi-stage Builds: Fixed target specification errors in GitHub workflows
Python Package Conflicts: Resolved pip installation conflicts with --break-system-packages flag usage
LDAP Compilation: Fixed python-ldap build failures by adding required development headers
Version Compatibility: Resolved Go toolchain version mismatches causing build failures

📚 Documentation Updates¶

CLAUDE.md Enhancements: Added Go version standards and security tools documentation
API Documentation: Comprehensive API endpoint documentation with examples
Build Standards: Documented Python 3.13 and Go 1.23 standardization decisions

🔄 Migration Notes¶

Automatic: No manual intervention required for existing deployments
CI/CD: GitHub workflows will automatically use new standards
Docker: Existing containers will rebuild with improved dependency management

Squawk DNS System v1.1.1 Release Notes¶

Release Date: August 2025
Release Type: Major Feature Release with Critical Security Hotfixes
Breaking Changes: None (backward compatible)

🎉 Executive Summary¶

Squawk v1.1.1 represents a massive leap forward in DNS-over-HTTPS proxy technology, introducing a complete Go client implementation, comprehensive enterprise security features, and production-ready infrastructure. This release adds over 10,000 lines of new code, 28 new files, and transforms Squawk from a simple DNS proxy into a full-featured enterprise DNS security solution.

🔥 Critical Hotfixes in v1.1.1¶

Security Enhancements¶

DNS Loop Prevention: Added IP address validation to prevent infinite DNS resolution loops when using custom DNS servers
Multiple Server Failover: Implemented automatic failover with configurable retry logic for high availability
Enhanced DNS Validation: Strengthened input validation to prevent injection attacks and malformed queries
Public DNS Compatibility: Fixed compatibility issues with Google DNS and Cloudflare DNS-over-HTTPS services

Bug Fixes¶

URL Path Normalization: Auto-corrects paths for public DNS providers (/resolve vs /dns-query)
Certificate Validation: Fixed edge cases in mTLS certificate validation
Error Handling: Improved error messages and aggregation for multiple server failures
Configuration Loading: Fixed environment variable parsing for comma-delimited server lists

System Tray Enhancements (NEW)¶

Health Monitoring: Real-time DNS server health monitoring with visual indicators
Smart Notifications: Automatic alerts when DNS servers become unreachable
DNS Fallback: One-click fallback to original DHCP DNS servers for captive portals
Visual Health Status: Icon colors indicate server health (green=healthy, yellow=degraded, red=unhealthy)

🚀 Major New Features¶

1. Go Client Implementation (NEW)¶

Complete high-performance DNS client written in Go with 1:1 feature parity with Python client.

Performance Metrics: - Cold Start: ~10ms (10x faster than Python) - Memory Usage: ~15MB (50% reduction) - Binary Size: Single ~10MB executable - Concurrency: Native goroutine support

Key Features: - Full DNS-over-HTTPS (DoH) support with HTTP/2 - mTLS authentication with ECC and RSA certificates - Local DNS forwarding (UDP/TCP to DoH) - YAML configuration file support - Cross-platform binaries (Linux, macOS, Windows) - Docker multi-architecture support

2. Enterprise Authentication & Security¶

Multi-Factor Authentication (MFA)¶

TOTP Support: Google Authenticator compatible
Backup Codes: Recovery mechanism for lost devices
QR Code Generation: Easy setup for users
Per-user Configuration: Flexible MFA requirements

Single Sign-On (SSO)¶

SAML 2.0: Enterprise identity provider integration
LDAP: Active Directory support
OAuth2: Social login capabilities
Session Management: Secure token handling

Advanced Certificate Management¶

ECC Certificates: Default P-384 curve (more secure than RSA)
Automatic Generation: Self-signed certificates for testing
Certificate Bundle Downloads: Direct from web console
Dual Authentication: Bearer token + client certificate
CA Management: Custom certificate authorities

3. DNS Security & Filtering¶

DNS Blackholing¶

Maravento Blacklist: Integration with 2M+ malicious domains
Automatic Updates: Daily pulls from GitHub (configurable)
Custom Blocklists: Admin-defined domain/IP blocking
Whitelist Override: Exception management
Real-time Updates: No restart required

Brute Force Protection¶

Configurable Lockouts: Default 5 attempts, 30-minute block
IP-based Tracking: Per-source IP monitoring
Email Notifications: Alerts on security events
Account Recovery: Admin unlock capabilities
Audit Logging: Complete security event trail

4. Performance & Scalability¶

HTTP/3 Support¶

QUIC Protocol: Next-generation transport
Reduced Latency: Faster connection establishment
Connection Migration: Seamless network changes
Improved Reliability: Better packet loss handling

Advanced Caching¶

Redis/Valkey Support: Distributed caching
TLS Encryption: Secure cache communication
Authentication: Password-protected cache access
Configurable TTL: Per-record expiration
Multi-backend: Automatic failover between cache systems

High-Performance Architecture¶

Asyncio/Uvloop: Python server optimization
Multi-threading: Thousands of requests per second
Connection Pooling: Efficient resource usage
Load Balancing: Round-robin server selection

5. Infrastructure & Operations¶

Cross-Platform System Integration¶

Enhanced System Tray: Desktop GUI with health monitoring and DNS fallback
Service Installation: systemd, launchd, Windows services
DNS Configuration: Automatic system DNS updates with DHCP fallback
Auto-start: Boot-time service activation
Health Notifications: Real-time alerts for DNS server failures
Captive Portal Support: Easy fallback to original DNS for hotel/airport WiFi

Comprehensive Logging¶

Real IP Detection: REALIP/X-FORWARDED-FOR headers
UDP Syslog: RFC 3164 compliant forwarding
JSON Format: Structured logging support
Security Events: Authentication and access logs
Performance Metrics: Request timing and statistics

CI/CD Pipeline¶

GitHub Actions: Automated build and release
Multi-platform Builds: Native binaries for all OS
Docker Images: Multi-architecture containers
Debian Packages: .deb with systemd integration
Separate Workflows: Client and server releases

6. Enhanced DNS Client Features¶

Multiple Server Failover (NEW)¶

Automatic Failover: Seamless server switching
Round-robin Selection: Load distribution
Configurable Retries: Custom retry logic
Error Aggregation: Comprehensive failure reporting
Health Monitoring: Server availability tracking

DNS Loop Prevention (NEW)¶

IP Address Validation: Enforces IP usage for custom servers
Public DNS Exceptions: Allows known providers by hostname
Smart Warnings: Context-aware notifications
Development Mode: Localhost exemption

DNS Name Validation (NEW)¶

RFC 1035 Compliance: Strict DNS name validation on both client and server
Label Validation: Max 63 chars per label, 253 total, proper format
Character Filtering: Prevents injection attacks and malformed queries
IDN Support: Punycode (xn--) domain handling for internationalized domains
Record Type Validation: Only valid DNS types (A, AAAA, CNAME, MX, etc.)
Special Cases: Handles .arpa reverse DNS and IPv4 addresses
Security: Blocks special characters and SQL injection attempts
Consistent Validation: Same rules applied across Go, Python, and server

Legacy Public DNS Support (NEW)¶

Google DNS: Both dns.google and dns.google.com
Cloudflare: 1.1.1.1 and cloudflare-dns.com
Auto-path Correction: /resolve vs /dns-query
Transparent Compatibility: No configuration needed

📊 Technical Improvements¶

Web Console Enhancements¶

Modern UI: Responsive Bootstrap 5 design
Certificate Management: Download mTLS bundles
User Management: Role-based access control
Domain Management: Blacklist/whitelist interface
Real-time Monitoring: Live statistics dashboard
Token Management: API key generation
Security Settings: MFA, SSO, brute force configuration

Database & Storage¶

Multi-database Support: SQLite, PostgreSQL, MySQL
Migration Scripts: Automatic schema updates
Connection Pooling: Efficient database usage
Transaction Management: ACID compliance

Testing & Quality¶

Comprehensive Test Suites: 2000+ test cases
Security Scanning: Bandit, gosec integration
Load Testing: k6 performance tests
Code Coverage: 80%+ coverage target
Linting: flake8, golangci-lint

Documentation¶

API Documentation: 1300+ lines of OpenAPI specs
Architecture Guide: 800+ lines of system design
Development Guide: 1500+ lines of setup instructions
Token Management: Complete authentication guide
Contributing Guide: Expanded from 100 to 700+ lines

🔧 Configuration & Environment¶

New Environment Variables¶

# Multiple Server Support
SQUAWK_SERVER_URLS=https://192.168.1.100:8443,https://192.168.1.101:8443
SQUAWK_MAX_RETRIES=6
SQUAWK_RETRY_DELAY=2

# Security Features
ENABLE_MFA=true
ENABLE_SSO=true
BRUTE_FORCE_MAX_ATTEMPTS=5
BRUTE_FORCE_LOCKOUT_MINUTES=30

# Redis/Valkey Security
REDIS_USE_TLS=true
REDIS_USERNAME=squawk
REDIS_PASSWORD=secure-password

# Blacklist Management
ENABLE_BLACKLIST=true
MARAVENTO_URL=https://github.com/maravento/blackweb
BLACKLIST_UPDATE_DAILY=true

# mTLS Configuration
ENABLE_MTLS=true
USE_ECC_CERTIFICATES=true
ECC_CURVE=P-384

Docker Compose Enhancements¶

Development, production, and testing configurations
PostgreSQL integration
Monitoring stack (Prometheus/Grafana)
Load testing integration
Health checks and dependencies

🚨 Breaking Changes¶

None - All changes are backward compatible. Existing configurations will continue to work.

🔐 Security Considerations¶

Required Actions for Production¶

Enable mTLS: Use ECC certificates for maximum security
Configure MFA: Require for all admin accounts
Set up Redis TLS: Encrypt cache communications
Enable Brute Force Protection: Prevent authentication attacks
Configure Email Alerts: Monitor security events
Use IP Addresses: For custom DNS servers (loop prevention)

Security Warnings¶

Development mode settings show clear warnings
Insecure configurations logged prominently
Default secure settings for new installations

📈 Performance Benchmarks¶

Metric	v1.0	v1.1	Improvement
Requests/sec	100	1000+	10x
Cold Start (Go)	N/A	10ms	New
Memory (Go)	N/A	15MB	New
Cache Hit Rate	0%	95%	New
Failover Time	N/A	<2s	New
Concurrent Connections	10	1000+	100x

🛠️ Migration Guide¶

From v1.0 to v1.1.1¶

No breaking changes - Direct upgrade supported
Optional: Migrate to Go client for better performance
Optional: Enable new security features (MFA, SSO)
Recommended: Configure Redis/Valkey caching
Recommended: Set up multiple DNS servers for failover
Critical: Update existing configs to use IP addresses for custom DNS servers

New Installation¶

Use provided installers for system integration
Configure using environment variables
Enable security features by default
Use docker-compose for containerized deployments

📦 Release Artifacts¶

Binaries & Packages¶

Go Client Binaries: Linux (AMD64/ARM64), macOS (Universal), Windows
Debian Packages: .deb files with systemd service
Docker Images: Multi-architecture (linux/amd64, linux/arm64)
Python Packages: pip-installable modules

Docker Images¶

penguincloud/squawk-dns-server: Development server
penguincloud/squawk-dns-server-prod: Production server
penguincloud/squawk-dns-client: Go client
penguincloud/squawk-dns-client-python: Python client
penguincloud/squawk-dns-testing: Testing environment

🐛 Bug Fixes¶

Fixed SSL certificate verification issues
Resolved connection pooling memory leaks
Corrected DNS response parsing for certain record types
Fixed race conditions in concurrent request handling
Resolved configuration file parsing errors

📚 Documentation Updates¶

README: Expanded from 300 to 800+ lines
API Docs: Complete OpenAPI specification
Architecture: New comprehensive system design document
Development Guide: Step-by-step setup instructions
Security Guide: Best practices and recommendations
Troubleshooting: Common issues and solutions

🙏 Acknowledgments¶

Special thanks to: - Maravento project for blacklist data - py4web team for authentication framework - miekg for Go DNS library - All contributors and testers

🚦 Known Issues¶

Windows service installation requires administrator privileges
Some IDN domains may not validate correctly
Redis cluster mode not fully tested
HTTP/3 support experimental in some environments

🔮 Future Roadmap (v1.2)¶

Kubernetes operator for automated deployment
GraphQL API for advanced queries
Machine learning-based threat detection
DNS over TLS (DoT) support
Web Assembly client for browsers
Mobile app for iOS/Android

📞 Support¶

GitHub Issues: https://github.com/penguintechinc/squawk/issues
Documentation: https://docs.squawkdns.com
Email: [email protected]

📄 License¶

GNU AGPL v3 - See LICENSE.md for details

🚀 v2.1.0 Release Impact¶

Squawk DNS v2.1.0 represents the most significant release in the project's history, transforming from a simple DNS proxy into a comprehensive enterprise security platform with advanced threat intelligence capabilities.

📊 Release Metrics¶

Metric	Value	Significance
New Features	15+ major features	Largest feature release
Code Addition	3,000+ lines	Substantial capability expansion
Enterprise Tiers	3 distinct tiers	Clear upgrade path
Threat Intelligence	8+ feed formats	Industry-leading support
Database Schema	4 new tables	Enhanced data architecture
Documentation	2,000+ new lines	Comprehensive coverage

🎯 Strategic Positioning¶

For Community Users: - Significant value addition with threat intelligence - Clear upgrade incentives to enterprise tiers - Enhanced security posture at no cost

For Enterprise Self-Hosted: - Cost-effective enterprise solution - Complete feature parity with unlimited capabilities
- Maintains infrastructure control

For Enterprise Cloud-Hosted: - Premium managed service experience - Enterprise-grade SLA and support - Global performance optimization

🔮 Future Roadmap Enablement¶

v2.1.0 establishes the foundation for: - AI-Powered Threat Detection: Machine learning integration ready - Zero Trust Architecture: Identity-based security framework - Global Threat Intelligence: Community-driven threat sharing - Advanced Analytics: Comprehensive security insights - Mobile Management: iOS/Android management apps

⚡ Immediate Benefits¶

Security Enhancement: Advanced threat intelligence blocking provides immediate protection against known threats

Performance Optimization: Enterprise tiers deliver faster DNS resolution with priority processing

Operational Efficiency: Cloud-hosted tier eliminates infrastructure management overhead

Compliance Readiness: Built-in compliance reporting for regulated industries

Scalability: Multi-tier architecture supports organizations from individual users to global enterprises

Upgrade Recommendation: This is a transformational release that significantly enhances security, performance, and enterprise capabilities. All users are strongly encouraged to upgrade to v2.1.0.

Community Users: Immediate upgrade recommended for threat intelligence features
Enterprise Users: Contact sales for tier optimization and potential cost savings
New Deployments: Start with v2.1.0 for latest capabilities and architecture

Production Readiness: While this is a major release, all new features are built on proven foundations with comprehensive testing. Phased rollouts recommended for large enterprise deployments.

Squawk DNS System Release Notes¶

v2.1.0 - Enterprise Threat Intelligence and Multi-Tier Release¶

🎉 What's New in v2.1.0¶

🛡️ Advanced Threat Intelligence Integration (NEW)¶

TAXII 2.x / STIX 2.1 Support¶

OpenIOC Format Support¶

Community Threat Intelligence Feeds (FREE)¶

Enterprise Self-Hosted ($5/user/month)¶

Enterprise Cloud-Hosted ($7/user/month)¶

🔧 Technical Implementation Details¶

TAXII 2.x Client Architecture¶

Enhanced IOC Processing Engine¶

Database Schema Enhancements¶

Environment Variables for Threat Intelligence¶

💰 New Enterprise Pricing Structure¶

Community Edition (Free)¶

Enterprise Self-Hosted ($5/user/month)¶

Enterprise Cloud-Hosted ($7/user/month)¶

🎯 Choosing the Right Tier¶

🔄 Migration Guide for v2.1.0¶

From v1.x to v2.1.0¶

License Mapping from v1.x¶

Database Schema Updates¶

🛠️ Build System & CI/CD Improvements¶

Build Standardization¶

GitHub Actions Enhancements¶

🔐 Security Improvements¶

Go Security Enhancements¶

Documentation Security¶

🌐 Website & Documentation Fixes¶

Website Navigation¶

Documentation Structure¶

🧹 Code Quality & Maintenance¶

Development Environment¶

Configuration Management¶

🐛 Bug Fixes¶

📚 Documentation Updates¶

🔄 Migration Notes¶

Squawk DNS System v1.1.1 Release Notes¶

🎉 Executive Summary¶

🔥 Critical Hotfixes in v1.1.1¶

Security Enhancements¶

Bug Fixes¶

System Tray Enhancements (NEW)¶

🚀 Major New Features¶

1. Go Client Implementation (NEW)¶

2. Enterprise Authentication & Security¶

Multi-Factor Authentication (MFA)¶

Single Sign-On (SSO)¶

Advanced Certificate Management¶

3. DNS Security & Filtering¶

DNS Blackholing¶

Brute Force Protection¶

4. Performance & Scalability¶

HTTP/3 Support¶

Advanced Caching¶

High-Performance Architecture¶

5. Infrastructure & Operations¶

Cross-Platform System Integration¶

Comprehensive Logging¶

CI/CD Pipeline¶

6. Enhanced DNS Client Features¶

Multiple Server Failover (NEW)¶

DNS Loop Prevention (NEW)¶

DNS Name Validation (NEW)¶

Legacy Public DNS Support (NEW)¶

📊 Technical Improvements¶

Web Console Enhancements¶

Database & Storage¶

Testing & Quality¶

Documentation¶

🔧 Configuration & Environment¶

New Environment Variables¶

Docker Compose Enhancements¶

🚨 Breaking Changes¶

🔐 Security Considerations¶

Required Actions for Production¶

Security Warnings¶

📈 Performance Benchmarks¶

🛠️ Migration Guide¶