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Glossary · Core proxy

Forward proxy

Also calledforward proxy meaningclient-side proxy
Definition

A forward proxy works for the user: it sends your requests out to the internet for you, so sites see the proxy instead of you.

Explanation

In depth

Forward describes the direction: from clients outward to the internet. Requests leave your device, go to the proxy, and the proxy fetches from the destination. The proxy can be chosen by you (a web proxy such as AnyProxy, or a proxy set in your browser) or by your organisation (a company or school filter that every managed device must use). Because it sits on the user's side, a forward proxy is where decisions about the user's traffic are made: which sites are allowed, what gets logged, and which address and country the outside world sees. That last part is why a forward proxy can open a site that is blocked on your network, and also why sites change language, consent rules or catalogues to match the proxy's location rather than yours. A forward proxy hides your address from the destination; it does not stop the destination recognising you by cookies or a signed-in account. The opposite arrangement is a reverse proxy, which works for the website and sits in front of its servers.

In practice

Forward proxy in the real world

Most people meet a forward proxy at work, where every request from a managed laptop goes through the company proxy or a cloud filter such as Zscaler or Cisco Umbrella, which block whole site categories. The location effect is easy to see. On 15 October 2026 we opened google.com through AnyProxy's Frankfurt server with a browser set to US English. Google answered in German with its EU consent screen, "Bevor Sie zu Google weitergehen", and "Deutschland" in the footer: it treated the visit as coming from Germany, where the proxy is.

We checked

A site reacting to the proxy's location

Google home page with German EU cookie consent dialog, opened through AnyProxy Frankfurt

Open google.com with a US-English browser

Worked · FR exit · 2026-10-15

Google showed its German-language EU consent dialog ("Bevor Sie zu Google weitergehen", "Alle ablehnen" / "Alle akzeptieren") with "Deutschland" in the footer, despite the browser locale en-US. The site followed the proxy's location.

Questions about Forward proxy

Is a web proxy a forward proxy?
Yes. It makes requests on your behalf. The difference is that you reach it through a website rather than entering it in your device settings.
Why did a site switch language when I used a proxy?
Many sites pick language, consent rules and content from the visitor's IP location. Through a forward proxy that location is the proxy's, so a Frankfurt server can get you German pages and EU cookie prompts.
Can my employer see the sites I visit?
On a managed device going through a company proxy, usually yes: at least the site names, and full pages if TLS inspection is enabled.
See alsoForward vs reverse proxy

Related terms

Reverse proxyA reverse proxy works for a website: it sits in front of the site's servers, takes every visitor's connection, and decides what reaches the real server.ProxyA proxy is a server that makes network requests for you and passes the answers back, so the site you reach deals with the proxy instead of your device.Web proxyA web proxy is a website that loads other websites for you inside your browser tab, with nothing to install and no settings to change.Transparent proxyA transparent proxy is one the network puts in your path without you setting it up; on proxy lists the same word means a proxy that passes your real IP along.

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