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Glossary

Proxy Server

A server that sits between your device and the internet, forwarding requests on your behalf so destinations see its IP, not yours.

A proxy server is a service that receives requests from a client (your device or application), forwards them to the intended destination, gets the response back, and returns it to the client. From the destination’s perspective, the proxy is the visitor — the original client’s IP address is not exposed in the connection.

Proxies are used for several reasons: hiding the original IP for privacy, distributing scraping traffic across many IPs to avoid rate limits, accessing geo-restricted content by routing through a specific country, caching responses to reduce latency, or auditing and filtering traffic at the network edge.

The category breaks down along a few independent axes: the protocol the proxy speaks (HTTP, SOCKS), where its IPs come from (datacenter vs residential), whether it is dedicated to one user (private vs shared), and what it reveals about the original request (transparent, anonymous, or elite). Each axis has tradeoffs that matter depending on the workload.

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