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Graph/redirect-scheme-mismatch

Pattern

Redirect And Scheme Mismatch

redirect-scheme-mismatch

HTTPS/TLS and URL scheme assumptions (http vs https, Cloudflare SSL mode, or redirecting proxies) cause loops and mismatched secure cookies, leading to errors like net::ERR_TOO_MANY_REDIRECTS and 502s until endpoints and SSL settings align.

Node Details

Public graph metadata

Updated7/6/2026

Connections

30 linked nodes

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.

Cookie “__vercel_live_token” has been rejected because it is in a cross-site context and its “SameSite” is “Lax” or “Strict” — deployed it on Vercel. Tension: But i setup cookies in my project like this. Outcome: Then you need to use https://localhost:5000 and not http://localhost:5000.

When the UI calls the `POST /auth/callback/passkey` endpoint. Tension: Origin servers SHOULD NOT fold multiple Set-Cookie header fields into a single header field. Outcome: Cloudflare seem to be in the wrong here.

after signing in , it is redirecting to /sign-in page after signing in — I've been using clerk for authentication but. Tension: even though env is NEXT_PUBLIC_CLERK_AFTER_SIGN_IN_URL=/. Outcome: This seems to have solved the redirects for me.

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.

django.security.csrf: Forbidden (Origin checking failed - https://sentry-domain.com does not match any trusted origins.) — /account/recover/ (status_code=403 request=<WSGIRequest: POST '/account/recover/'>). Tension: when it comes to login (correct or wrong username and password). Outcome: It is solved by some steps.

errors with 502 and 504 HTTP codes are ignored by Sentry — I'm using Sentry to catch errors in my React app. Tension: some React errors are ignored too. Outcome: I'd like to override this behavior.

Errors from an ASP.NET Core 7 app are not appearing in Sentry, and the console shows `CSRF Verification Failed A required security token was not found or was invalid`.

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.

AADSTS9002325: Proof Key for Code Exchange is required for cross-origin authorization code redemption. Tension: redirects uris not matching.

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.

stripe login returns unexpected http status code: 403

stripe listen --forward-to localhost:8000/payment/webhook/ still returns 403

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

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

Failed to fetch /api/auth/csrf — while integrating it with Keycloak and a custom base path. Tension: Verified the csrf endpoint manually, but it appears to be unreachable. Outcome: I solved it by manually signout.

All routes except /login redirect back to /login

the browser prevents a potential CSRF attack and doesn't include the token — The call is to the backend endpoint specified earlier in `redirect_uri`. Tension: I need a browser to include the `ASP.NET_SessionId` cookie in the request. Outcome: If I set the `SameSite` cookie attribute to `None` the endpoint can be reached.

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.

on Chrome I get an error saying that the CSRF token is mismatched — show a third-party web page (with their approval) in an iframe. Tension: This site has a different domain to my parent site. Outcome: The site displays fine on firefox.

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).

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

After configuring OAuth2 client login, requests to secured endpoints fail and Spring Security redirects to the login page via form login instead of completing OAuth2 authentication.

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.”

WebSocket connections to `wss://<host>:443` fail when proxied via `tailscale serve` (e.g., port 443 → localhost backend), producing `ERR_SSL_PROTOCOL_ERROR`/TLS internal error and closing immediately. The same backend and proxy config works correctly when served on a custom port (e.g., 8443).

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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