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Graph/url-redirect-and-scheme-loop

Pattern

URL Scheme Redirect Loops

url-redirect-and-scheme-loop

Requests fail because components disagree on URL scheme/host/path handling (NGINX/Apache/Cloudflare, frontend-built API URLs, or router path normalization), causing HTTP↔HTTPS and path mismatches that bounce until limits or browser security blocks trigger errors.

Node Details

Public graph metadata

Updated7/14/2026

Connections

30 linked nodes

When a React Query error triggers a redirect to /login, the browser URL updates but the rendered content does not change to the login page until the user manually interacts with the page.

if I go directly https://jbetoreyes.github.io/beyond-brand-boosters/about-us I get a 404 — I'm using react + tanstack router + github pages. Tension: page loads fine, but if I go directly. Outcome: use hash-based routing which is documented here.

Google Search Console saying that there are too many redirects on my homepage — on my homepage. Tension: I want the redirect to happen to both - http and non-www. Outcome: when i enter `curl -I -L http://fiziokaspars.lv`, i get double redirect.

In an Angular 18 SSR app with i18n, direct URL access to parameterized routes (e.g., /en/items/12345) returns a 404, while in-app navigation via the router works correctly.

When accessing a bad url supposed to be 404 have this error `This Serverless Function has crashed.` — Angular SSR deployed on Vercel Serveless Function. Tension: my angular app routing could never do the job of redirecting to the correct /404 or just display the 404 component.

GoException: no routes for location: https://www.example.com.

I keep running into a `net::ERR_TOO_MANY_REDIRECTS` error when I try to access my site at `www.example.io` — setting up my Next.js project hosted on Vercel with a custom domain managed through Cloudflare. Tension: Despite configuring the DNS and SSL settings correctly. Outcome: Turns out Vercel provides documentation about how to fix it for Cloudflare.

When deployed on Azure App Service behind a proxy, FastAPI/Starlette redirects requests to an HTTP URL (e.g., HTTP Location header in a 307) instead of preserving HTTPS. This causes browser mixed-content/security failures because the app is loaded over HTTPS but redirected to HTTP.

RedirectResponse goes to "/" without the authentication cookie

When I send an HTTPS request using the Swagger UI. Tension: the redirection then fails. Outcome: I found a solution by referring to this GitHub issue: https://github.com/encode/uvicorn/issues/369.

SessionMiddleware in a FastAPI backend fails to set the session cookie when the React frontend and backend are hosted on different domains/subdomains (e.g., XXX-ui.fly.dev vs XXX-api.fly.dev). The browser rejects the cookie with an 'invalid domain' error and no session is maintained.

The Flutter Linux app calling local FastAPI endpoints fails with a DioException [bad response] due to an HTTP 307 (Temporary Redirect). Postman requests succeed, but the app always receives the redirect response.

Defining FastAPI routes in a loop causes each endpoint to behave like the last model

A React frontend POST to http://localhost:4000/api/checkout consistently returns 404 Not Found even though an Express route for checkout is defined.

Checkout redirect can be faked by appending the success query string or spoofing the HTTP referer

React SPA routes fail when copied and pasted URLs are not working

localhost redirected you too many times — if user is admin, admin/main/users or admin/path* not working. Outcome: not-admin redirecting is working.

nginx output a new line in access.log — When I access https://home.aaa.com/actuator/prometheus;%2f..%2f..//. Tension: I expect nginx deny this request too. Outcome: there is not a log in nginx error_log.

All routes except /login redirect back to /login

The Heroku-hosted MERN app receives many automated-looking requests from the same forwarded IP in the same second, with suspicious query/path content (e.g., unexpected “if”/“php” strings). This behavior appears to be scanning or an attack proxy and raises concerns about security and abuse.

502 "Bad Gateway nginx/1.20.1"-Error — Now when I enter http://localhost there is warning if I rly trust the website. I say yes and now I´m on https://localhost. Tension: it usually should open Prefect UI but I have a 502 "Bad Gateway nginx/1.20.1"-Error. Outcome: I would like to run Prefect over https.

Accessing https://example.com results in a “too many redirects” loop, while other domain variants redirect correctly for a React app served by Apache with Cloudflare-managed DNS/SSL.

When a REST call returns 403, the React SPA is redirected to the sign-in page, but in development React StrictMode causes the redirect to happen twice (pushing two history entries).

A React Router DOM route needs a partially static path segment `/property-in-cityName/` where only `cityName` is dynamic, but entering `/property-in-newyork/` returns 404. Attempts to use a route like `/property-in-:cityName/` match incorrectly and `useParams()` yields `undefined`.

After signing in, middleware redirection occurs, but the browser URL remains unchanged (e.g., it doesn't update to the intended callback/protected route).

I see multiple redirects in the network tab. I have this error: ERR_TOO_MANY_REDIRECTS — I'm working on a REST API using Java 21 with Spring Boot 3.3, and I'm trying to implement authentication through an external site using OpenID.

Requests to the Django/DRF backend fail with “CSRF Failed: Origin checking failed - http://localhost:8000/ does not match any trusted origins.”

the router does not generate the correct urls.

In Next.js 15 App Router server actions, calling `redirect()` inside a `try/catch` causes `NEXT_REDIRECT` to be thrown and then swallowed by the `catch`, preventing the redirect from happening.

Wget before 1.21.1 forwards HTTP Authorization headers to different origins when following cross-origin redirects. — when following cross-origin redirects. Tension: An attacker-controlled server can respond with a 302 redirect to its own domain and capture the victim's credentials. Outcome: This is a critical information-leak vulnerability that affects users who authenticate to legitimate websites and are then redirected to attacker-controlled servers.

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