Here is my ingress: apiVersion: traefik.containo.us/v1alpha1 kind: IngressRouteTCP metadata: name: miab-websecure namespace: devusta spec: entryPoints: - websecure . The VM supports HTTP/3 and the UDP packets are passed through. My only question is why this 'issue' only occurs when using http2 on chromium based browsers and not with curl or http1. Please note that in my configuration the IDP service has TCP entrypoint configured. Do you mind testing the files above and seeing if you can reproduce? The browser displays warnings due to a self-signed certificate. The double sign $$ are variables managed by the docker compose file (documentation). Terminating TLS at the point of Ingress relieves the backend service pods from the costly task of decrypting traffic and the burden of certificate management. Do you want to serve TLS with a self-signed certificate? Have a question about this project? You can find the whoami.yaml file here. Yes, especially if they dont involve real-life, practical situations. I was able to run all your apps correctly by adding a few minor configuration changes. My server is running multiple VMs, each of which is administrated by different people. There are hundreds of reasons why I love being a developer (besides memories of sleepless nights trying to fix a video game that nobody except myself would ever play). To learn more, see our tips on writing great answers. To enforce mTLS in Traefik Proxy, the first thing you do is declare a TLS Option (in this example, require-mtls) forcing verification and pointing to the root CA of your choice. Chrome, Edge, the first router you access will serve all subsequent requests. Hence, only TLS routers will be able to specify a domain name with that rule. Incorrect Routing for mixed HTTP routers & TCP(TLS Passthrough) Routers in browsers, I used the latest Traefik version that is. In such cases, Traefik Proxy must not terminate the TLS connection. Currently when I request https url I get this: curl https://nextjs-app.dokku.arm1.localhost3002.live curl: (35) error:0A000126:SSL routines::unexpected eof while reading . Doing so applies the configuration to every router attached to the entrypoint (refer to the documentation to learn more). You can't use any standard Traefik TLS offloading due to the differences in how Traefik and Prosidy handle TLS. What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? Is there a proper earth ground point in this switch box? Still, something to investigate on the http/2 , chromium browser front. A collection of contributions around Traefik can be found at https://awesome.traefik.io. Before you use Let's Encrypt in a Traefik cluster, take a look to the key-value store explanations and more precisely at this section, which will describe how to migrate from a acme local storage (acme.json file) to a key-value store configuration. 1 Answer. You can define TLS termination separately on each router, configure TLS passthrough, use the new CertResolver to benefit from . If you are comfortable building your own Traefik image you can test to see if my issue is related to yours by checking out the 2.4 branch, adding http2.ConfigureServer(serverHTTP, nil) at line 503 of server_entrypoint_tcp.go, recompiling, and then trying the new image/binary. And as stated above, you can configure this certificate resolver right at the entrypoint level. Do you extend this mTLS requirement to the backend services. defines the client authentication type to apply. TLS handshakes will be slow when requesting a hostname certificate for the first time, which can lead to DDoS attacks. More information in the dedicated server load balancing section. services: proxy: container_name: proxy image . This is known as TLS-passthrough. I figured it out. The Traefik documentation always displays the . If you are using Traefik for commercial applications, Traefik currently only uses the TLS Store named "default". I need you to confirm if are you able to reproduce the results as detailed in the bug report. Im using a configuration file to declare our certificates. Today, based on your detailed tutorial I fully reproduced your environment using your apps with a few configuration changes in config files. Thanks for reminding me. My current hypothesis is on how traefik handles connection reuse for http2 The same applies if I access a subdomain served by the tcp router first. The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. Thanks @jakubhajek How do I pass the raw TCP connection from Traefik to this particular container using labels on the container and CLI options for Traefik? Luckily for us and for you, of course Traefik Proxy lowers this kind of hurdle and makes sure that there are easy ways to connect your projects to the outside world securely. I have opened an issue on GitHub. As a result, Traefik Proxy goes through your certificate list to find a suitable match for the domain at hand if not, it uses a default certificate. We need to set up routers and services. Additionally, when you want to reference a Middleware from the CRD Provider, Powered by Discourse, best viewed with JavaScript enabled, HTTP/3 is running on the host system. I'm just realizing that I'm not putting across my point very well I should probably have worded the issue better. How is an ETF fee calculated in a trade that ends in less than a year? Traefik backends creation needs a port to be set, however Kubernetes ExternalName Service could be defined without any port. Hey @jakubhajek corresponds to the deadline that the proxy sets, after one of its connected peers indicates it has closed the writing capability of its connection, to close the reading capability as well, hence fully terminating the connection. Do you want to request a feature or report a bug?. Conversely, for cross-provider references, for example, when referencing the file provider from a docker label, you must specify the . Not the answer you're looking for? The secret must contain a certificate under either a tls.ca or a ca.crt key. An IngressRoute is associated with the application TLS options by using the tls.options.name configuration parameter. Thanks for your suggestion. This is related to #7020 and #7135 but provides a bit more context as the real issue is not the 404 error but the routing for mixed http and tcp routers sharing a base domain. Register the Middleware kind in the Kubernetes cluster before creating Middleware objects or referencing middlewares in the IngressRoute objects. This is when mutual TLS (mTLS) comes to the rescue. When specifying the default option explicitly, make sure not to specify provider namespace as the default option does not have one. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. To clarify things, as Traefik is not a TCP RP, we cannot provide transparent tls passthrough. Register the TraefikService kind in the Kubernetes cluster before creating TraefikService objects, If you dont like such constraints, keep reading! Specifically that without changing the config, this is an issue is only observed when using a browser and http2. for my use case I need to use traefik on a public IP as TCP proxy and forward the TLS traffic to some secure applications based on the SNI and they do the certificate generation, TLS termination not traefik. And the answer is, either from a collection of certificates you own and have configured or from a fully automatic mechanism that gets them for you. I've recently started testing using traefik as a reverse proxy, for me it has a couple of compelling features:. Traefik. If I start chrome with http2 disabled, I can access both. The field kind allows the following values: TraefikService object allows to use any (valid) combinations of: More information in the dedicated Weighted Round Robin service load balancing section. The TLS configuration could be done at the entrypoint level to make sure all routers tied to this entrypoint are using HTTPS by default. The certificate is used for all TLS interactions where there is no matching certificate. @jawabuu That's unfortunate. Hey @jawabuu, Seems that we have proceeded with a lot of testing phase and we are heading point to the point. I currently have a Traefik instance that's being run using the following. The CA secret must contain a base64 encoded certificate under either a tls.ca or a ca.crt key. I'm using traefik v2.2-rc4 & docker 19.03.8 on Ubuntu 18.04.4 LTS. The maximum amount of time an idle (keep-alive) connection will remain idle before closing itself. Mailcow "backend" has the one generated w/ letsencrypt, meaning port forwards are well configured. Learn how Rocket.Chat offers dependable services and fast response times to their large customer base using Traefik. This is the recommended configurationwith multiple routers. you have to append the namespace of the resource in the resource-name as Traefik appends the namespace internally automatically. tls.handshake.extensions_server_name, Disabling http2 when starting the browser results in correct routing for both http router & (tls-passthrough) tcp router using the same entrypoint. it must be specified at each load-balancing level. My server is running multiple VMs, each of which is administrated by different people. Sometimes, especially when deploying following a Zero Trust security model, you want Traefik Proxy to verify that clients accessing the services are authorized beforehand, instead of having them authorized by default. To have Traefik Proxy make a claim on your behalf, youll have to give it access to the certificate files. Your tests match mine exactly. I have also tried out setup 2. or referencing TLS options in the IngressRoute / IngressRouteTCP objects. Connect and share knowledge within a single location that is structured and easy to search. The challenge that Ill explore today is that you have an HTTP service exposed through Traefik Proxy and you want Traefik Proxy to deal with the HTTPS burden (TLS termination), leaving your pristine service unspoiled by mundane technical details. Is the proxy protocol supported in this case? Our docker-compose file from above becomes; I got this partly to work, with the following findings: Due to the restriction of Chrome and other tools that HTTP/3 needs to run on port 443, it seems that setup 2 is not suitable for production. I was also missing the routers that connect the Traefik entrypoints to the TCP services. Save the configuration above as traefik-update.yaml and apply it to the cluster. Hello, Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. passTLSCert forwards the TLS Client certificate to the backend, that is, a client that sends a certificate in the TLS handshake to prove it's identity. @jakubhajek Is there a proper earth ground point in this switch box? Traefik now has TCP support in its new 2.0 version - which is still in alpha at this time (Apr 2019). I verified with Wireshark using this filter Setting the scheme explicitly (http/https/h2c), Configuring the name of the kubernetes service port to start with https (https), Setting the kubernetes service port to use port 443 (https), on both sides, you'll be warned if the ports don't match, and the. I had to disable TLS entirely and use the special HostSNI(*) rule below to allow straight pass throughts. Thank you. This removes the need to configure Lets Encrypt for service at the docker image level, instead the reverse proxy will manage, update and secure connections to your docker service, Useful middlewares to provide functionality in front of my services, Support for non-docker services (think VMs or bare metal hosts) via static configuration files. First things first, lets make sure my setup can handle HTTPS traffic on the default port (:443). More information about available TCP middlewares in the dedicated middlewares section. The first component of this architecture is Traefik, a reverse proxy. Traefik Labs Community Forum. When you specify the port as I mentioned the host is accessible using a browser and the curl. Only observed when using Browsers and HTTP/2. @jspdown @ldez We just need any TLS passthrough service and a HTTP service using port 443. I will do that shortly. You can find the complete documentation of Traefik v2 at https://doc.traefik.io/traefik/. PS: I am learning traefik and kubernetes so more comfortable with Ingress. My web and Matrix federation connections work fine as they're all HTTP. The docker-compose.yml of my Traefik container. How to copy files from host to Docker container? I assume that with TLS passthrough Traefik should not decrypt anything.. Only when I change Traefik target group to TCP - things are working, but communication between AWS NLB and Traefik is not encrypted. The job of a reverse proxy is to listen for incoming requests, match that request to a rule, go get the requested content and finally serve it back to the user. Traefik currently only uses the TLS Store named "default". The response contains an Alt-Svc HTTP header that indicates a UDP host and port over which the server can be reached through HTTP/3. curl https://dash.127.0.0.1.nip.io/api/version, curl -s https://dash.127.0.0.1.nip.io/api/http/routers|jq, curl -s https://dash.127.0.0.1.nip.io/api/tcp/routers|jq, curl -s https://dash.127.0.0.1.nip.io/api/udp/routers|jq, printf "WHO" |openssl s_client -connect whotcp.127.0.0.1.nip.io:8800 -CAfile traefik/certs/rootca.pem -quiet, printf "WHO" | nc -v -u whoudp.127.0.0.1.nip.io 9900.
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