ProxyChecker v0.1 - First Release

🎯 Why This Tool Matters

Built for reliability from day one - Many proxy checkers fail to find working proxies due to aggressive timeouts and poor validation. ProxyChecker prioritizes reliability over raw speed to actually discover functional proxies.

🚀 Key Features

Performance & Reliability

• Actually finds proxies: Conservative timeouts and resource management prevent false negatives
• Google.com testing: Most reliable target worldwide - avoids validation failures from service downtime
• Refined validation: Stricter Google.com response checks to prevent false positives
• Enhanced proxy handling: Improved connection management and protocol detection
• Smart retry system: Automatically retries failed connections with progressive timeouts
• Optimized concurrency: 1024 connections per worker to prevent system overload

Multi-Protocol Discovery

• HTTP, SOCKS4, SOCKS5: Comprehensive proxy protocol support
• Intelligent validation: Different validation methods per protocol type
• Bulk testing: Test all protocols simultaneously or focus on specific types

Large-Scale Scanning

• CIDR range support: Scan entire networks (e.g., 192.168.1.0/24)
• All-port scanning: Test all 65535 ports per IP if needed
• Memory efficient: Streams targets instead of loading everything into RAM
• Real-time results: See working proxies immediately as they're found

Development & Testing

• Comprehensive test suite: Mock proxy infrastructure for development and validation
• Test target in Makefile: Easy testing with make test
• Enhanced documentation: Improved README with detailed usage instructions

🔧 Practical CLI Options

For better success rates:

• --max-retries 2: Retry failed connections (default: 1)
• --timeout 8: Use longer timeouts for unreliable networks

For specific needs:

• --scan-all-ports: Find proxies on unusual ports

For large scans:

• --workers 8 --concurrency 512: Tune performance vs system load
• --quiet: Reduce output for automated usage

🚦 Common Usage Examples

# Check a proxy list (most common use case)
./proxychecker --in proxies.txt --out working.txt

# For unreliable networks - use retries and longer timeouts
./proxychecker --in proxies.txt --out working.txt --max-retries 2 --timeout 8

# Scan a network range for open proxies
./proxychecker --range 192.168.1.0/24 --out found.txt


# Fast checking for automation (quiet mode)
./proxychecker --in list.txt --out good.txt --quiet --workers 16

# Run tests (for development)
make test

🌐 Why Google.com for Testing?

Most proxy checkers use specialized IP-checking services that frequently go down or get rate-limited, causing false negatives.

Google.com advantages:

• Always available: 99.9% uptime vs 90-95% for specialized IP services
• Global consistency: Works the same everywhere in the world
• No rate limiting: Handles high-volume testing without blocking
• Fast response: Minimal latency compared to slower IP checking services
• Refined validation: Enhanced response checking to ensure authentic server responses

⚠️ System Requirements

• Linux x86_64 (any modern distribution)
• RAM: 100MB+ (scales with concurrency)
• Network: High ulimit -n recommended for large scans
• Development: Python 3.x for running tests

📦 Release Contents

• Enhanced proxy handling with improved connection management
• Comprehensive test suite with mock proxy infrastructure
• Improved documentation with detailed usage examples
• Test infrastructure for reliable development and validation

🔐 Checksums

dbb2027521765ca095f94262f68cd0821f66542dc2394bbc3ba0ebd79662f114  proxychecker
0cbd7e60a5896439680054f3bcd5401221b9bd24d17001fba91063719cfde203  proxychecker-v0.1-src.tar.gz

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⚠️ Legal Notice: Educational and authorized testing only. Don't scan networks without permission.