Source: StackOverflow. The HTTP 308 status code means a requested resource has been moved to a different URL once and for all. Using the --max-redirs option you can set this number to whatever suits your use-case best. This is what i see when i do a curl to the http ingress endpoint: but with the additional annotation of nginx.ingress.kubernetes.io/ssl-redirect: "false" the requests will only be http. So, as you can see, any client attempting to POST to an HTTP endpoint at Skipper does not correctly redirect to a POST at the HTTPS endpoint (even if using follow redirects e.g. I have created an EKS cluster following the examples from AWS EKS, I have deployed the nginx ingress controller on top from kubernetes/nginx, Created an ingress resource which points to back end k8s services, However, when I am trying to query via curl -kv https://dev01.cricket.com/demo/hello it returns Permanent Redirect 308. Please help me understand what should I change here so that the 308 redirects error go away and I can have successfull https connected to the ingress endpoint. Making statements based on opinion; back them up with references or personal experience. cURL correctly supports 308 redirects by following generic 300 semantics, if the response includes a Location header. When I update the image in the ingress-nginx-controller deployment file to the previous version then all is well. One common example of this is to redirect your browser from an HTTP URL to HTTPS, like http://stackabuse.com to https://stackabuse.com. Any future references to this resource should use one of the enclosed URIs. This informs the user agent (browser) that the POST request data (login info) was received by the server, but the resource has been permanently moved to the Location header URI of https://airbrake.io/login. Server Fault is a question and answer site for system and network administrators. https://github.com/kubernetes/ingress-nginx/issues/2724. Why are standard frequentist hypotheses so uninteresting? Curl follow these standards without any problem. Setup your port in the ingress controller to look like what I have below: It's not uncommon to run in to multiple sequential redirects before getting to the final destination. I want to upload a file to CrossEngage platform and everything is alright when using a POSTMAN but when I do the same using HttpWebRequest or RestClient on my application I'm getting 308 Permanent redirect - What I'm not doing that POSTMAN is doing ? - nbroeking Mar 2, 2018 at 14:46 This is the exact role that the 308 Permanent Redirect status code fulfills. Making statements based on opinion; back them up with references or personal experience. The specification also defines the corresponding 307 (Temporary Redirect) and 308 (Permanent Redirect) status codes that don't allow the request method to be changed from POST to GET. There is a maximum limit mostly to avoid the risk of getting caught in endless loops. Follow the signs. browsers) to automatically redirect POST HTTP method requests to GET HTTP method requests. However, the appearance of this error itself may be erroneous, as it's entirely possible that the server is misconfigured, which could cause it to improperly respond with 308 Permanent Redirect codes, instead of the standard and expected 200 OK code seen for most successful requests. Scott Robinson. Application logs are typically the history of what the application did, such as which pages were requested, which servers it connected to, which database results it provides, and so forth. Stack Overflow for Teams is moving to its own domain! It only takes a minute to sign up. The best of these tools can even alert you and your team immediately when an error occurs. Throughout this article we'll explore the 308 Permanent Redirect code by looking at a handful of troubleshooting tips. To learn more, see our tips on writing great answers. The cURL utility is a command line program often bundled with Unix/Linux distributions and Mac OSX operating systems. Find all pivots that the simplex algorithm visited, i.e., the intermediate solutions, using Python. Here is the same request from above, but with the -L (which is an alias for --location) flag to follow redirects: Notice that since we kept the -i flag in place it showed us the headers for each of the requests made, in addition to the final HTML returned by the server, which was shortened for brevity. Is any elementary topos a concretizable category? Thus, a large part of diagnosing the issue will be going through the process of double-checking what resources/URLs are generating 308 Permanent Redirect response codes and determining if these codes are appropriate or not. Redirection protocol You can set the protocol that will be used for redirection. kubectl edit deployment.apps/ingress-nginx-controller -n ingress-nginx A browser redirects to this page and search engines update their links to the resource (in 'SEO-speak', it is said that the 'link-juice' is sent to the new URL). So using our fictitious example from above, if we set a maximum number of redirects to 1 then we would see an error like this: On the other hand, if you don't want a limit at all, then just set it to -1. Instead, it will be something on the server-side, which is performing most of the logic and processing behind the scenes, outside the purview of the local interface presented to the user. your web browser) that an additional action is required in order to complete the request and access the desired resource. Legal Notice | Privacy Policy | Site Map, 308 Permanent Redirect: What It Is and How to Fix It, 301 Moved Permanently: What It Is and How to Fix It. Airbrake's error monitoring software provides real-time error monitoring and automatic exception reporting for all your development projects. to localhost, make a Caddyfile with the above text, and start it. Thus, while you do actually have a MITM, there will not be any cleartext protocol communication from the user's browser to nginx, making it happy and not 308 anymore, I do see the annotation you highlighted on your Ingress, but I suspect strongly that the mechanism you're experiencing is happening before it gets to the specific Ingress resource, perhaps due to a ConfigMap setting or other. Should I avoid attending certain conferences? The request method and the body will not be altered, whereas 301 may Would a bicycle pump work underwater, with its air-input being above water? Why do the "<" and ">" characters seem to corrupt Windows folders? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. These codes indicate to the user agent (i.e. Additionally, since the 308 Permanent Redirect indicates that something has gone wrong within the server of your application, we can largely disregard the client side of things. As with anything, it's better to have played it safe at the start than to screw something up and come to regret it later on down the road. It's also important to distinguish the purpose and use-cases of the 308 Permanent Redirect response code from many seemingly similar 3xx codes, such as the 307 Temporary Redirect we looked at in the past. rev2022.11.7.43011. This means if there are more than 20 redirects the request is canceled. Clients with link editing capabilities ought to automatically re-link references to the effective request URI 1 to one or more of the new references sent by the server, where possible. If all else fails, it may be that a problem in some custom code within your application is causing the issue. Stack Exchange network consists of 182 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. If your application is generating unexpected 308 Permanent Redirect response codes there are a number of steps you can take to diagnose the problem, so we'll explore a few potential work around below. . A 308 Permanent Redirect message is an HTTP response status code indicating that the requested resource has been permanently moved to another URI, as indicated by the special Location header returned within the response. Thus, one of the first steps you can take to determine what might be causing these 308 Permanent Redirect response codes is to check the configuration files for your web server software for unintentional redirect instructions. To determine which web server your application is using you'll want to look for a key file. Edit configmap ingress-nginx-controller Curl will automatically just stop. In short the slash doesn't make a difference. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. If you're trying to diagnose an issue with your own application, you can immediately ignore most client-side code and components, such as HTML, cascading style sheets (CSS), client-side JavaScript, and so forth. I see this in both the cases (case 1: Annotation not added to the ingress, case 2: Annotation added to the ingress). Nginx ingress resource - Redirect from to www (SSL doesn't work), nginx-ingress controller for Azure Kubernetes Service 502 Bad Gateway, Kubernetes NGINX ingress controller activate TLSv1.1. If nothing here works, don't forget to try Googling for the answer. The HyperText Transfer Protocol (HTTP) 308 Permanent Redirect redirect status response code indicates that the resource requested has been definitively moved to the URL given by the Location headers. It's extremely common for HTTP servers to return a 301 or 302 redirect for a given URL. ports: Now Edit ingress controller deployment containerPort However, this redirect is not permanent and . example, Google Drive uses a 308 Resume Incomplete response to indicate 5. Let's get down to it! Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. When doing requests with CURL, redirects are not followed by default. the Location headers. 308 Permanent Redirect implies a resource has moved permanently to a different location (as indicated in the Location header), and from now on, clients should look for this resource in a new location: HTTP/2 308 Permanent Redirect Location . What is the use of NTP server when devices have accurate time? 308 Permanent Redirect @ http.dev. Find centralized, trusted content and collaborate around the technologies you use most. Reason: CORS header 'Access-Control-Allow-Origin' does not match 'xyz', Reason: CORS header 'Access-Control-Allow-Origin' missing, Reason: CORS header 'Origin' cannot be added, Reason: CORS preflight channel did not succeed, Reason: CORS request external redirect not allowed, Reason: Credential is not supported if the CORS header 'Access-Control-Allow-Origin' is '*', Reason: Did not find method in CORS header 'Access-Control-Allow-Methods', Reason: expected 'true' in CORS header 'Access-Control-Allow-Credentials', Reason: invalid token 'xyz' in CORS header 'Access-Control-Allow-Headers', Reason: invalid token 'xyz' in CORS header 'Access-Control-Allow-Methods', Reason: missing token 'xyz' in CORS header 'Access-Control-Allow-Headers' from CORS preflight channel, Reason: Multiple CORS header 'Access-Control-Allow-Origin' not allowed, Feature-Policy: publickey-credentials-get. Because of this, cURL offers a command line flag that tells it to automatically follow the redirect and return the resolved endpoint and its data: Running this command will automatically handle any 3XX redirects and will retrieve whatever data is returned by the resulting URL. For example, if an HTTP POST method request is sent by the client as an attempt to login at the https://airbrake.io URL, the web server may be configured to redirect this POST request to a different URI, such as https://airbrake.io/login. What is the use of NTP server when devices have accurate time? 308 is the default redirect status code for nginx now. In PHP, you can use this option like so: //Tell cURL that it should follow any redirects. Unsubscribe at any time. At the time of publication, both of these web servers make up over 84% of the world's web server software! Enable JavaScript to view data. Return Variable Number Of Attributes From XML As Comma Separated Values. However, many user agents did erroneously change POST requests to GET redirect requests, which led to unintentional problems. meta.helm.sh/release-namespace: ingress-nginx service.beta.kubernetes.io/aws-load-balancer-backend-protocol: http service.beta.kubernetes.io/aws-load-balancer-connection-idle-timeout: "60" service.beta.kubernetes.io/aws-load-balancer-ssl-cert:
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