The Difference Between SOCKS4 and SOCKS5 Proxies
SOCKS4 and SOCKS5 look interchangeable from outside but differ in three crucial places: authentication, UDP support, and remote DNS resolution. We walk through each and recommend a default.
ProxySpace Blog
Long-form posts on free proxies, SOCKS, HTTP tunnelling, scraping strategies and the proxy infrastructure landscape.
Latest posts
Choosing the Right Proxy for the Job
HTTP, HTTPS, SOCKS4, SOCKS5, residential, datacenter — six axes of choice collapsed into a decision tree based on what you're actually trying to do.
Quick references
- Protocol comparison table — HTTP vs HTTPS vs SOCKS4 vs SOCKS5 side by side.
- Proxy judge documentation — how to read latency and anonymity results.
- IP ranges — per-country allocation blocks for geo filtering.
- How the lists are built — discovery, validation, classification.
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