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July 25, 2025 10:07
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🔍 Server Network Diagnostics - Check Firewall & Proxy Issues
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| #!/usr/bin/env python3 | |
| """ | |
| 🔍 ДИАГНОСТИКА СЕТЕВЫХ НАСТРОЕК СЕРВЕРА | |
| Проверяет что может блокировать прокси | |
| """ | |
| import requests | |
| import subprocess | |
| import os | |
| import sys | |
| def check_basic_connectivity(): | |
| """Проверяет базовую связность""" | |
| print("🌐 Проверяю базовую связность...") | |
| test_urls = [ | |
| "http://google.com", | |
| "http://httpbin.org/ip", | |
| "https://api.ipify.org", | |
| "http://icanhazip.com" | |
| ] | |
| for url in test_urls: | |
| try: | |
| response = requests.get(url, timeout=10) | |
| print(f"✅ {url} - OK ({response.status_code})") | |
| except Exception as e: | |
| print(f"❌ {url} - FAIL: {e}") | |
| def check_firewall(): | |
| """Проверяет настройки firewall""" | |
| print("\n🔥 Проверяю firewall...") | |
| commands = [ | |
| "ufw status", | |
| "iptables -L -n", | |
| "netstat -tuln | grep :80", | |
| "ss -tuln | grep :80" | |
| ] | |
| for cmd in commands: | |
| try: | |
| result = subprocess.run(cmd.split(), capture_output=True, text=True, timeout=5) | |
| print(f"\n📋 {cmd}:") | |
| if result.stdout: | |
| print(result.stdout[:500]) # Первые 500 символов | |
| if result.stderr: | |
| print(f"STDERR: {result.stderr[:200]}") | |
| except Exception as e: | |
| print(f"❌ {cmd} - FAIL: {e}") | |
| def check_proxy_connectivity(): | |
| """Проверяет работу через простой прокси""" | |
| print("\n🔍 Проверяю работу через прокси...") | |
| # Простые HTTP прокси для теста | |
| test_proxies = [ | |
| "8.8.8.8:80", | |
| "1.1.1.1:80", | |
| "208.67.222.222:80" | |
| ] | |
| for proxy in test_proxies: | |
| try: | |
| proxy_dict = { | |
| 'http': f'http://{proxy}', | |
| 'https': f'http://{proxy}' | |
| } | |
| response = requests.get( | |
| "http://httpbin.org/ip", | |
| proxies=proxy_dict, | |
| timeout=5 | |
| ) | |
| print(f"✅ Прокси {proxy} - OK") | |
| except Exception as e: | |
| print(f"❌ Прокси {proxy} - FAIL: {e}") | |
| def check_dns(): | |
| """Проверяет DNS""" | |
| print("\n🌐 Проверяю DNS...") | |
| domains = ["google.com", "httpbin.org", "github.com"] | |
| for domain in domains: | |
| try: | |
| result = subprocess.run(["nslookup", domain], capture_output=True, text=True, timeout=5) | |
| if "NXDOMAIN" not in result.stdout: | |
| print(f"✅ DNS {domain} - OK") | |
| else: | |
| print(f"❌ DNS {domain} - FAIL") | |
| except Exception as e: | |
| print(f"❌ DNS {domain} - FAIL: {e}") | |
| def main(): | |
| print("🔍🔍🔍 ДИАГНОСТИКА СЕРВЕРА 🔍🔍🔍") | |
| print("=" * 50) | |
| check_basic_connectivity() | |
| check_firewall() | |
| check_proxy_connectivity() | |
| check_dns() | |
| print("\n" + "=" * 50) | |
| print("🎯 РЕКОМЕНДАЦИИ:") | |
| print("1. Если все базовые соединения работают, но прокси нет - проблема в firewall") | |
| print("2. Попробуйте: sudo ufw allow out 80,443,8080,3128") | |
| print("3. Или отключите firewall: sudo ufw disable") | |
| print("4. Проверьте iptables: sudo iptables -F") | |
| if __name__ == "__main__": | |
| main() |
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