Cloudflare bảo vệ 25% websites. Bài này hướng dẫn cách vượt qua Cloudflare một cách hợp pháp.

Cloudflare Protection
Under Attack Mode, Bot Fight Mode, Rate Limiting, Browser Integrity Check, CAPTCHA.
Giải Pháp: Residential Proxy
Cloudflare trust residential IPs. VinaProxy: $0.5/GB
Technical Solutions
Selenium + Proxy
options.add_argument("--proxy-server=http://proxy.vinaproxy.com:8080")
driver = webdriver.Chrome(options=options)
Undetected ChromeDriver
import undetected_chromedriver as uc
driver = uc.Chrome(options=options)
Cloudscraper
import cloudscraper
scraper = cloudscraper.create_scraper()
scraper.proxies = {"http": "http://user:pass@proxy.vinaproxy.com:8080"}
Best Practices
- ✅ Rate limit yourself (3-10s delays)
- ✅ Rotate IPs
- ✅ Proper headers
- ✅ Cookie handling
- ✅ Retry logic
Khi Nào KHÔNG Bypass
❌ Website cấm scraping
❌ Data proprietary
✅ Public data, research OK
VinaProxy Advantages
✅ Residential IPs (trust cao)
✅ Rotating gateway
✅ Fast speeds
✅ $0.5/GB vs $8-15/GB đối thủ
Đăng ký: vinaproxy.com
