Failure interpretation
If the reproducible check fails, re-check endpoint values, protocol, and local interception before blaming the target.
Proxy connection guide
HTTP status codes for proxy users
HTTP status codes for proxy users: definition, mechanism, reproducible checks, and what it means for dedicated static residential operation.
Quick answer
Status codes are the server's (or proxy's) short answer: 200 ok, 3xx redirect, 4xx client-side, 5xx upstream-side.
Direct definition
How the mechanism works
Reproducible checks
Static-residential implication
When this is the right fit
- Direct definition
- How the mechanism works
- Reproducible checks
Who this page is for
HTTP status codes for proxy users: definition, mechanism, reproducible checks, and what it means for dedicated static residential operation.
Status codes are the server's (or proxy's) short answer: 200 ok, 3xx redirect, 4xx client-side, 5xx upstream-side.
How it works, step by step
- 1
Direct definition
Status codes are the server's (or proxy's) short answer: 200 ok, 3xx redirect, 4xx client-side, 5xx upstream-side.
- 2
Codes that matter through proxies
407 is the proxy asking for credentials; 403/429 usually come from the target; 502/504 mean the chain failed between them.
- 3
Static-residential implication
Reading the code tells you which side to fix: credentials, pacing, or endpoint health.
- 4
Reproducible check
Reproduce each code deliberately (wrong password for 407, wrong port for refusal) and learn the failure signatures.
Sources
Facts last reviewed 2026-09-01.
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Frequently asked questions
Does http status codes for proxy users matter for managed accounts?
Yes - it is one of the signals that ties a profile to one identity. Verify it in the periodic connection audit.
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