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When buying a proxy, you choose a protocol: HTTP, HTTPS, SOCKS4 or SOCKS5. This determines which programs the proxy will work with, how versatile it is and what the website will see. Let's go over the differences in plain language and suggest what to choose.
Protocols in brief
- HTTP — works only with web traffic (browsers, HTTP requests). It understands the structure of requests and can cache.
- HTTPS — the same HTTP, but with support for an encrypted connection (SSL/TLS). Suitable for secure websites.
- SOCKS4 — a low-level protocol that passes any TCP traffic, but without password authentication and without UDP.
- SOCKS5 — the most versatile: any traffic (TCP and UDP), login/password authentication, support for DNS through the proxy.
The main difference between SOCKS and HTTP
An HTTP proxy "understands" the contents of web requests and works only with them. A SOCKS proxy doesn't dig into the data — it simply forwards any traffic from you to the target. That is why through SOCKS5 you can push not only websites but also torrents, messengers, games and email clients.
| Parameter | HTTP/HTTPS | SOCKS5 |
|---|---|---|
| Traffic type | Web only | Any (TCP + UDP) |
| Authentication | Yes | Yes |
| DNS through the proxy | Partially | Yes |
| Speed | High (has caching) | High (less overhead) |
| Versatility | Medium | Maximum |
Which is more anonymous
The protocol on its own doesn't make you more anonymous — the proxy type (mobile, residential) and the absence of leaks matter more. But SOCKS5 has an advantage: it can resolve DNS on the proxy side, which reduces the risk of a DNS leak, when your real ISP "finds out" which sites you open. How to check for leaks is in the article "How to check a proxy".
What to choose for your task
| Scenario | Protocol |
|---|---|
| Browser, web surfing | HTTP/HTTPS or SOCKS5 |
| Anti-detect browsers | SOCKS5 (recommended) |
| Telegram, messengers | SOCKS5 or MTProto |
| Scraping, scripts | HTTP/HTTPS or SOCKS5 |
| Torrents, games, UDP | SOCKS5 |
Case study: SOCKS5 for anti-detect
In anti-detect browsers (Dolphin Anty, AdsPower), SOCKS5 is the preferred option: it correctly proxies all of the profile's traffic and resolves DNS through the proxy without giving away your real region. But "bare" SOCKS5 in regular Chrome without an extension won't work — you need either an anti-detect browser or a system utility like Proxifier (see the setup instructions).
FAQ
Is SOCKS5 faster than HTTP?
The difference is small and depends on the task. SOCKS5 "thinks" less about the traffic, HTTP can cache. In practice, the quality and type of the proxy itself have a much bigger effect on speed.
Which protocol should I choose if I'm not sure?
Take SOCKS5 — it is versatile and works almost everywhere. For purely browser tasks, HTTP is enough.
Can I change the protocol after purchase?
Yes, at PROXYLEET the protocol is switched in your personal account at no extra cost. You can pick a proxy in the catalog.
