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A proxy server is an intermediary between your device and the websites you visit. Your request first goes to the proxy, which forwards it onward from its own IP address, receives the response and returns it to you. As a result, the website sees the proxy's address instead of your real IP. It sounds simple, but this is exactly what multi-accounting, scraping, traffic arbitrage and bypassing geo-blocks are built on.
In this guide we explain in plain language how proxies work, what types there are, how they differ from a VPN and how to choose the right type for your task.
How a proxy server works
Any internet connection is an exchange of packets between your IP and the website's server. When you connect through a proxy, the chain changes:
- Without a proxy: your device → website. The website sees your home or mobile IP.
- Through a proxy: your device → proxy server → website. The website sees the proxy's IP, and your real address stays hidden.
The connection details almost always look the same: ip:port:login:password. This set is enough to configure a proxy in a browser, an app or an anti-detect browser.
Why you need proxies
Proxies solve several tasks at once:
- Anonymity and changing geo. You hide your real IP and pick the country you go online from.
- Multi-accounting. Each account gets its own IP so the platform cannot link your profiles. Details are in the article "Multi-accounting without bans".
- Scraping and analytics. Collecting data from websites and marketplaces without blocks thanks to IP rotation.
- Bypassing blocks. Access to services that are closed for your region, including neural networks and Telegram via MTProto.
- SMM and advertising. Safe work with dozens of social media accounts and ad accounts.
What types of proxies there are
The proxy type is defined by where the IP address comes from. This affects the price, the speed and how much platforms "trust" it.
| Type | IP source | Trust | When to choose |
|---|---|---|---|
| Server (datacenter) | Data centers | Low | Scraping lenient sites, bulk tasks, tight budget |
| Residential | Home ISPs | High | Long-lived accounts, marketplaces |
| Mobile (4G/LTE) | Mobile carriers | Maximum | Social media, Avito, arbitrage, anti-ban |
In short: the "livelier" the IP source, the harder it is for a platform to tell you apart from an ordinary user — but the more expensive the proxy. We put together a detailed comparison with task-based recommendations in a separate article: "Mobile, residential and server proxies: which to choose".
How a proxy differs from a VPN
Both a proxy and a VPN hide your real IP, but they work differently:
- A VPN sets up an encrypted tunnel and routes all of the device's traffic through it. This is handy for privacy, but it usually gives everyone a single shared IP and is not suitable for multi-accounting.
- A proxy works selectively — at the level of a browser, an app or a specific anti-detect profile. You can give each account a separate IP, rotate addresses and choose the protocol.
Proxy anonymity levels
Proxies differ in what they tell a website about themselves:
- Transparent — they pass your real IP in the headers. Useless for anonymity.
- Anonymous — they hide your IP but report that a proxy is being used.
- Elite (high anonymity) — they reveal neither your IP nor the very fact that a proxy is being used. This is what you need for serious tasks.
You can check what exactly a website "sees" and whether your real address is leaking in under a minute — that is covered in the article "How to check a proxy" and with our free proxy checker.
How to choose a proxy for your task
- Identify the platform. A lenient site — server proxies will do. Social media, Avito, marketplaces — you need mobile or residential ones.
- Count the number of accounts. The rule is simple: on sensitive platforms, one account = one IP.
- Choose the geo. For the RU segment take mobile proxies of Russia, for foreign services — an IP of the country you need.
- Check the protocols. SOCKS5 is more versatile, HTTP is simpler. The difference is in the article "SOCKS5 or HTTP".
The basic theory of IP types is nicely complemented by a breakdown on Habr.
FAQ
Does a proxy provide complete anonymity?
No. A proxy hides your IP, but you can still be identified by cookies, your browser fingerprint and your behavior. For serious anonymity, proxies are combined with an anti-detect browser.
Are free proxies okay?
For a one-off check — yes, but they carry high risks: slow speed, bans and even data theft. Details are in the article "Free proxies: why they are dangerous".
Which proxy should a beginner choose?
For most tasks in the RU segment, mobile proxies of Russia are the best option: a high level of trust and simple IP rotation. You can pick a plan in the PROXYLEET catalog.
