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Fix: Enable Express trust proxy for client IP forwarding #348

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Merged
marcelosalloum merged 6 commits into from
Jan 21, 2026
Merged

Fix: Enable Express trust proxy for client IP forwarding #348

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71c1ec1
Create empty commit to test the deployed version
marcelosalloum Jan 20, 2026
03e2cce
Enable Express trust proxy for client IP forwarding
marcelosalloum Jan 20, 2026
e5333bb
test `trust proxy' == 1
marcelosalloum Jan 20, 2026
4f4a14f
app.set("trust proxy", "loopback,linklocal,private");
marcelosalloum Jan 20, 2026
16ed10c
app.set("trust proxy", "loopback,linklocal,uniquelocal");
marcelosalloum Jan 20, 2026
daac30f
Rely on the env for TRUST_PROXY
marcelosalloum Jan 21, 2026
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6 changes: 6 additions & 0 deletions backend/routes.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,12 @@ export const app = express();
app.set("port", process.env.PORT || 5000);
app.set("json spaces", 2);

// Trust proxy to get real client IPs behind proxies/load balancers.
const defaultTrustProxy = "loopback,linklocal,uniquelocal";
const trustProxy = process.env.TRUST_PROXY || defaultTrustProxy;
console.log(`Setting trust proxy to: ${trustProxy}`);
app.set("trust proxy", trustProxy);

app.use(logger("combined"));

// Global rate limiting for all requests (including static files)
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