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Trusted proxy walk stops at first untrusted hop · case 05

Trusted proxy walk stops at first untrusted hop.

Member previewVariant 5 · 3 implementations · 4 checks per implementation

Case contract

Bounded offline decision model: trusted proxy walk stops at first untrusted hop. Inputs are already validated protocol fields; the explicit fixtures define the supported policy, not a complete protocol implementation.

Why this case matters

This deterministic proxy forwarding model isolates the trusted-proxy-walk-stops-at-first-untrusted-hop policy at a network component boundary.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
fixture 2	`"proxy"`	`null`	Failed

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