Failure interpretation
If the reproducible check fails or shows unexpected values, the identity path is not what you think: re-check the endpoint values, the protocol, and any local interception before assuming a target problem.
Proxy connection guide
X-Forwarded-For explained
X-Forwarded-For explained: how the mechanism works, how to reproduce it, and what it means for dedicated static residential operation.
Quick answer
X-Forwarded-For is the HTTP header proxies add to carry the client address chain toward the target.
Direct definition
How the mechanism works
Reproducible commands
Static-residential implication
When this is the right fit
- Direct definition
- How the mechanism works
- Reproducible commands
Who this page is for
X-Forwarded-For explained: how the mechanism works, how to reproduce it, and what it means for dedicated static residential operation.
X-Forwarded-For is the HTTP header proxies add to carry the client address chain toward the target.
How it works, step by step
- 1
Direct definition
X-Forwarded-For is the HTTP header proxies add to carry the client address chain toward the target.
- 2
How it works through proxies
A normal forward proxy used for privacy does not add your address; reverse proxies add it for the origin's benefit. What targets see depends on the proxy's policy.
- 3
What it means for static residential buyers
With a transparent-style proxy your address can leak into this header; an anonymous endpoint keeps it out. Test with a header echo service through your endpoint.
- 4
Reproducible check
curl -x http://user:pass@host:port https://httpbin.org/headers - inspect whether your real address appears.
Sources
Facts last reviewed 2026-09-01.
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Frequently asked questions
Does x-forwarded-for explained matter for managed accounts?
Yes - it is one of the signals that ties a profile to one identity. Configure it once per profile and verify it in the periodic connection audit.
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