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Graph/tls-ssl-version-lock-redirect-loop

AntiPattern

TLS/SSL Misconfiguration Redirects

tls-ssl-version-lock-redirect-loop

TLS/SSL negotiation gets pinned to the wrong encryption modes or protocol versions (e.g., SSL/TLS strict vs Full, forcing legacy TLS/SSL) so browsers and proxies disagree, triggering redirect loops like net::ERR_TOO_MANY_REDIRECTS and blocking assets.

Node Details

Public graph metadata

Updated6/23/2026

Connections

30 linked nodes

MATCHESSolution

use https://localhost:5000 and not http://localhost:5000 — sameSite: 'none', secure: true. Outcome: Then you need to use https://localhost:5000 and not http://localhost:5000.

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In the SSL tab, check the SSL checkbox and select "require" from the SSL dropdown below. Outcome: This is what actually works for me.

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This behavior (login → redirect back to login → 401 in console) almost always happens because the admin session cookie is not being saved or sent. — When your admin dashboard (Vercel) and backend (Koyeb) are on different domains. Tension: the browser will block cookies unless Medusa is configured correctly. Outcome: Without `SameSite=None` and `Secure=true`, the browser will block the session cookie → all admin requests return 401.

MATCHESSolution

Clear the cookies and test it — on another browser. Tension: private routes all redirect to the home page. Outcome: it went trough just fine.

MATCHESSolution

enable "SSL/TLS Strict" Option, instead of just "Full" — Cloudflare's SSL/TLS encryption mode. Tension: I also turned off page redirects in Cloudflare, as I already handle this in Vercel. Outcome: Vercel has documentation on how to integrate with Cloudflare, which was also helpful in resolving this problem.

MATCHESSolution

You can configure Nginx to block any request that has an Invalid HTTP_HOST header — server { listen 80; server_name example.com;. Tension: while filtering out requests with invalid host headers at the proxy server. Outcome: return 444;.

MATCHESSolution

Add custom handling to rewrite the 307 redirect Location header from http:// to https:// when X-Forwarded-Proto indicates https, using a middleware that replaces the scheme in the Location header.

MATCHESSolution

There's no simple solution to this. — when redirection is required. Tension: this doesn't really solve the issue when redirection is required. Outcome: I would try using the redirect `if_required` option.

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The way i fixed this problem temporaly, was disabling the SSL certificates in my python websocket server — when the server is secure. Tension: this is no solution, as i need it to be secure. Outcome: and connecting through ws instead of wss.

MATCHESSolution

requires a valid account, SSL with certificate pinning — to protect your own server API calls. Outcome: This increases the difficulty for an attacker to get the keys.

MATCHESSolution

Chrome will try to connect via HTTPS first with a 3-second timeout. — When browsing in Incognito mode. Tension: If the site takes longer than 3 seconds to load, it will fall back to HTTP and display a warning. Outcome: This doesn’t affect every site, only those that take more than 3 seconds to respond.

MATCHESSolution

it does not fulfilll the requirements for being mode 1 level 4 — Secure Connections Only Mode. Tension: JustWorks Unauthenticated will be used. Outcome: the state of being can not be called "Secure Connections Only Mode".

MATCHESSolution

Microsoft recommends that you don't specify which TLS/SSL versions to use. — By having `ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls | SecurityProtocolType.Ssl3;` in your code. Tension: This way, the choice will be left to the OS. Outcome: don't specify which TLS/SSL versions to use.

MATCHESSolution

No change is required for normal HTTPS behavior; DevTools displaying plaintext is expected and safe as TLS encryption protects data in transit. Ensure the site uses HTTPS to keep network traffic encrypted.

MATCHESSolution

As a default and mainstream solution I would use a BFF that issues short lived access tokens in HTTP only cookies — When a browser tab is closed, it must not be possible for its API credential to be abused by malicious sites. Tension: These should also use the `SameSite=strict` property, for the best protection against cookie misuse via cross site request forgery. Outcome: These should also use the `SameSite=strict` property.

MATCHESSolution

HttpClient.GetAsync(new Uri(TextHelper.RedirectUrlNull(urlContent))); — We have an issue in our solution (we are using .net core). Tension: the SNYK vulnerabilities scaner show us that we have a Server-Side Request Forgery (SSRF) vulnerability.

MATCHESSolution

The solution is to redirect the 497 error to 444. — when accessing this port through http. Tension: any access through IP will be blocked.

MATCHESSolution

Your application should listen for HTTP requests only — Heroku's load balancer and routers take care of the HTTPS connection. Tension: Heroku doesn't do this for you. Outcome: Your application just needs to redirect URLs that start with `http://` to `https://`.

MATCHESSolution

Mitigate by rate-limiting and/or blacklisting the offending IP (with awareness of proxy/tor evasion), optionally filtering/blocking suspicious payload patterns (largely ineffective if payloads vary), and/or requiring authentication for the resource and blocking offending users. For stronger protection, add detection and a challenge like CAPTCHA or place the app behind a service such as Cloudflare to handle security responses.

MATCHESSolution

You can set you client Transport to use both Transport.TLSClientConfig and Transport.DialTLSContext. Outcome: TLSClientConfig should be used for connections to destination HTTPS server and DialTLSContext - for connection to your HTTPS proxy.

MATCHESSolution

use HTTPS, in which TLS (Transport Layer Security) is used to encrypt the traffic between the client and the server — sensitive information should never ever be sent in the open. Tension: there is no good reason to not use HTTPS for everything except local development. Outcome: all traffic is automatically encrypted.

MATCHESSolution

You can limit TLS sniffing using certificate pinning. — for some situations, it's worth the trouble. Tension: Google does not recommend this because it's hard to manage. Outcome: See also HTTP Toolkit's discussion on the topic.

MATCHESSolution

Resolve the conflict by handling redirection consistently in Cloudflare (and/or disabling the Apache redirect for the same purpose), then set Cloudflare SSL/TLS encryption to Full (Strict) so HTTPS upgrades and redirects complete without looping.

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Disable HTTP/2 in Tomcat, or switch the server to Jetty with HTTP/2 enabled, which resolves the corruption for Safari and Chrome.

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redirect-uri: "https://localhost:41448/redirect-uri" — Here’s my application.yml configuration:.

MATCHESSolution

Use HTTPS/TLS for the site (and verify with a packet capture tool like Wireshark/tcpdump that traffic is encrypted). Treat DevTools payload viewing as client-side request contents rather than evidence that encryption is missing.

MATCHESSolution

Wget before 1.21.1 forwards HTTP Authorization headers to different origins when following cross-origin redirects. — when following cross-origin redirects. Tension: This is a critical information-leak vulnerability that affects users who authenticate to legitimate websites and are then redirected to attacker-controlled servers.

MATCHESSolution

Outcome: Identical pattern in dtls1_process_heartbeat in ssl/d1_both.c lines 1455-1519.

MATCHESSolution

Tension: socks5_resolve_local FALSE!

MATCHESSolution

Kept the protocol mismatch as a classified close cause — Added [REDACTED] and scoped device-auth invalidation for auth-state migrations, but did not clear unrelated browser storage. Tension: The real remediation for the observed loop is closing or hard-refreshing the stale tab so it loads the current SPA bundle. Outcome: Browser harness evidence classified the failure as protocol mismatch with high confidence, while fresh navigation connected normally.

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