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Glossary of proxy and scraping terms

Industry jargon explained in plain English: residential, ASN, fingerprint, KYC, sticky session, CGN, JA3, anti-detect and ~50 more. Useful for newcomers and for anyone talking to a provider's support team.

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Found 5 of 62 · letter: C · reset

C

Captcha

protection

A "human or bot" test: reCAPTCHA, hCaptcha, Cloudflare Turnstile, FunCaptcha. Solved through services like 2captcha or Anti-Captcha (~$1-3 per 1000 captchas).

Carrier-grade NAT

CGN, CGNAT network

A technology where a mobile operator allocates a single public IP to hundreds or thousands of subscribers. That's why mobile proxies are nearly impossible to ban — banning the IP would block thousands of real users. The key advantage of mobile proxies.

Cloudflare

protection

The most widespread anti-bot and CDN. Protects ~25% of the internet. Several tiers: Cloudflare WAF (regular), Bot Management (paid), Turnstile (the new captcha as of 2024).

Concurrent connections

technical

Number of simultaneous connections through a single proxy port. Limits are typically 50-200 on residential, 10-100 on mobile. Going over results in throttling or timeouts.

Crypto payment

billing

Paying for proxies in cryptocurrency (USDT TRC-20, BTC, ETH). Minimal KYC, fast transactions, no chargebacks. The standard for affiliate marketers and UA/RU teams.