traefik default certificate letsencrypt traefik default certificate letsencrypt

Traefik cannot manage certificates with a duration lower than 1 hour. Do new devs get fired if they can't solve a certain bug? Specifying tls.domains on each router seems to have solved the issue by prioritizing the custom certificate instead of the default certificate. Cipher suites defined for TLS 1.2 and below cannot be used in TLS 1.3, and vice versa. Code-wise a lot of improvements can be made. Required, Default="https://acme-v02.api.letsencrypt.org/directory". In my traefik/letsencrypt setup which worked fine for quite some time traefik without any changes started returning traefik default certificate. Its getting the letsencrypt certificate fine and serving it but traefik keeps serving the default cert for requests not specifying a hostname. Security events are a fact of Internet life, and when they happen, a swift response is the best way to mitigate risk. docker-compose.yml So when i connect to https://123.45.56.78 (where 123.45.56.78 my public IP) i'd like to have my letsencrypt certificate, but not self signed. It's a Let's Encrypt limitation as described on the community forum. We do by creating a TLSStore configuration and setting the defaultCertificate key to the secret that contains the certificate. If you add a TLS certificate manually to the acme.json it will not be presented as a Default certificate. I used the acme configuration from the docs: The weird thing was that /etc/traefik/acme/acme.json contained private key, though I don't know how it's supposed to work. The Let's Encrypt issued certificate when connecting to the "https" and "clientAuth" entrypoint. You can use redirection with HTTP-01 challenge without problem. Acknowledge that your machine names and your tailnet name will be published on a public ledger. The "https" entrypoint is serving the the correct certificate. when using the TLS-ALPN-01 challenge, Traefik must be reachable by Let's Encrypt through port 443. Defining an info email (, Within the volumes section, the docker-socket will be mounted into, Global redirect to HTTPS is defined and activation of the middleware (. GitHub - DanielHuisman/traefik-certificate-extractor: Tool to extract Let's Encrypt certificates from Traefik's ACME storage file. If you prefer, you may also remove all certificates. For complete details, refer to your provider's Additional configuration link. From the /opt/traefik directory, run docker-compose up -d which will create and start the Traefik container. I checked that both my ports 80 and 443 are open and reaching the server. As described on the Let's Encrypt community forum, The HTTP-01 challenge used to work for me before and I haven't touched my configs in months I believe, so . certificatesDuration is used to calculate two durations: If the CA offers multiple certificate chains, prefer the chain with an issuer matching this Subject Common Name. The docker-compose.yml of our project looks like this: Here, we can see a set of services with two applications that we're actually exposing to the outside world. To confirm that its created and running, enter: You should see a list of all containers and the process status (Ive hidden the non-relevant ones): To confirm that the proxy is working as expected, visithttp://localhost:8080/api/rawdatato see the config. Check the log file of the controllers to see if a new dynamic configuration has been applied. Hi! This one was hard to catch because I guess most of the time browsers such as Firefox, Safari and Chrome latest version are able to figure out what certificate to pick from the ones Traefik serves via TLS and ignore the unmatching non SNI default cert, however, the same browsers some time stutter and pick the wrong one which is why some users sometimes see a page flagged as non-secure. and the other domains as "SANs" (Subject Alternative Name). We're publishing the default HTTP ports 80 and 443 on the host, and making sure the container is placed within the web network we've created earlier on. The result of that command is the list of all certificates with their IDs. After having chosen Traefik, the last thing I want is to manually handle certificate files and keep them up-to-date. I'm Trfiker the bot in charge of tidying up the issues. yes, Exactly. For some time now, I wanted to get HTTPS going using Letsencrypt on k3s distribution of Kubernetes using the Traefik Ingress. With this simple configuration in place, we have a working setup where Traefik, Lets Encrypt and Docker are working together to secure inbound traffic. It is not a good practice because this pod becomes asingle point of failure in your infrastructure. This has to be done because no service is exported by default (see Line 11) Add the dashboard domain (Line 25), define a service (Line 26), activate TLS (Line 27) with prior defined certificate resolver (Line 28), and set the websecure entry point (Line 29) After the last restart it just started to work. The certificatesDuration option defines the certificates' duration in hours. If the valid configuration with certResover exists Traefik will try to issue certificates from LetsEncrypt. As described on the Let's Encrypt community forum, If the TLS certificate for domain 'mydomain.com' exists in the store Traefik will pick it up and present for your domain. Traefik supports mutual authentication, through the clientAuth section. Traefik, which I use, supports automatic certificate application . https://doc.traefik.io/traefik/https/tls/#default-certificate. Note that per the Traefik documentation, you must specify that a service requires the certificate resolver it doesnt automatically get used. To explicitly use a different TLSOption (and using the Kubernetes Ingress resources) I'm using letsencrypt as the main certificate resolver. The text was updated successfully, but these errors were encountered: This is HAPROXY Controller serving the exact same ingresses: The configuration to resolve the default certificate should be defined in a TLS store: Precedence with the defaultGeneratedCert option. none, but run Trfik interactively & turn on, ACME certificates already generated before downtime. Certificate resolver from letsencrypt is working well. This option is deprecated, use dnsChallenge.delayBeforeCheck instead. Traefik requires you to define "Certificate Resolvers" in the static configuration, it is correctly resolved for any domain like myhost.mydomain.com. I think it might be related to this and this issues posted on traefik's github. One of the benefits of using Traefik is the ability to set up automatic SSL certificates using letsencrypt, making it easier to manage SSL-encrypted websites. TLDR: traefik does not monitoring the certificate files, it monitors the dynamic config file Steps: Update your cert file; Touch dynamic.yml; Et voil, traefik has reloaded the cert file; There might be a gotcha with the default certificate store. If you use file storage in v1.7, follow the steps above for Traefik Proxy v2.x. HAPROXY SSL Server Test: sample-custom-dc2.widemeshstaging.net (Powered by Qualys SSL Labs).pdf. , docker stack remark: there is no way to support terminal attached to container when deploying with docker stack, so you might need to run container with docker run -it to generate certificates using manual provider. So each update of record name must be followed by an update of the HURRICANE_TOKENS variable, and a restart of Traefik. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. you'll have to add an annotation to the Ingress in the following form: --entrypoints=Name:https Address::443 TLS. acme.httpChallenge.entryPoint has to be reachable by Let's Encrypt through the port 80. Now we are good to go! You can also share your static and dynamic configuration. Asking for help, clarification, or responding to other answers. 2. You can use the teectl command to obtain a list of all certificates and then force Traefik Enterprise to obtain new ones. Not the answer you're looking for? Why is there a voltage on my HDMI and coaxial cables? Traefik automatically tracks the expiry date of ACME certificates it generates. When using a certificate resolver that issues certificates with custom durations, one can configure the certificates' duration with the certificatesDuration option. If the client supports ALPN, the selected protocol will be one from this list, There may exist only one TLSOption with the name default (across all namespaces) - otherwise they will be dropped. If your environment stores acme.json on a persistent volume (Docker volume, Kubernetes PersistentVolume, etc), then the following steps will renew your certificates. However, Enable automatic request and configuration of SSL certificates using Let's Encrypt. beware that that URL I first posted is already using Haproxy, not Traefik. The last step is exporting the needed variables and running the docker-compose.yml: The commands above will now create two new subdomains (https://dashboard.yourdomain.de and https://whoami.yourdomain.de) which also uses an SSL certificate provided by Lets Encrypt, I hope this article gave you a quick and neat overview of how to set up traefik. Certificates are requested for domain names retrieved from the router's dynamic configuration. When both container labels and segment labels are defined, container labels are just used as default values for missing segment labels but no frontend/backend are going to be defined only with these labels. storage [acme] # . At Qloaked we call this the application endpoint (and its not a local Docker server), but for this instance well use the basic whoami Docker service provided for us by Containous. Deployment, Service and IngressRoute for whoami app : When I reach localhost/whoami from the browser, I can see the whoami app but the used certificate is the default cert from Traefik. When using LetsEncrypt with kubernetes, there are some known caveats with both the ingress and crd providers. There are so many tutorials I've tried but this is the best I've gotten it to work so far. Essentially, this is the actual rule used for Layer-7 load balancing. , The Global API Key needs to be used, not the Origin CA Key. How can this new ban on drag possibly be considered constitutional? aplsms September 9, 2021, 7:10pm 5 https://github.com/containous/traefik/blob/4e9166759dca1a2e7bdba1780c6a08b655d20522/pkg/tls/certificate_store_test.go#L17, https://github.com/containous/traefik/blob/e378cb410c4ce1f0d25be64f1e963d42e1c7c004/integration/https_test.go#L298-L301, https://github.com/containous/traefik/blob/e378cb410c4ce1f0d25be64f1e963d42e1c7c004/integration/https_test.go#L334-L337. Review your configuration to determine if any routers use this resolver. Please check the initial question: how can I use the "Default certificate" obtained by letsencrypt certificate resolver? HAPROXY SSL Server Test: sample-custom-dc2.widemeshstaging.net (Powered by Qualys SSL Labs).pdf. See also Let's Encrypt examples and Docker & Let's Encrypt user guide. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. If you are using Traefik for commercial applications, I've got a LB and some requests without hostnames in my setup that I didn't want to change to fix this issue. However, as APIS have been upgraded and enhanced, the operation of obtaining certificates with the acme.sh script has become more and more difficult. and the connection will fail if there is no mutually supported protocol. The redirection is fully compatible with the HTTP-01 challenge. In this example, we're using the fictitious domain my-awesome-app.org. Now, well define the service which we want to proxy traffic to. It should be the next entry in the services list (after the reverse-proxy service): Start the service like we did previously: Run docker ps to make sure its started, or visithttp://localhost:8080/api/rawdataand see the new entry in the for yourself. ncdu: What's going on with this second size column? ACME certificates can be stored in a KV Store entry. Hey @aplsms; I am referring to the last question I asked. Created a letsencrypt wildcard cert for *.kube.mydomain.com (confirmed in certificate transparency logs that it is valid) What did you see instead? I don't need to add certificates manually to the acme.json. In the example above, the resolver is named myresolver, and a router that uses it could look like any of the following: If you do not find any router using the certificate resolver you found in the first step, then your certificates will not be revoked. With Let's Encrypt, your endpoints are automatically secured with production-ready SSL certificates that are renewed automatically as well. In Traefik, certificates are grouped together in certificates stores, which are defined as such: Any store definition other than the default one (named default) will be ignored, Traefik Traefik v2 letsencrypt-acme, docker jerhat March 17, 2021, 8:36am #1 Hi, I've got a traefik v2 instance running inside docker (using docker-compose ). If needed, CNAME support can be disabled with the following environment variable: Here is a list of supported providers, that can automate the DNS verification, I put it to test to see if traefik can see any container. Let's encrypt, Kubernetes and Traefik on GKE, Problem getting certificate from let's encrypt using Traefik with docker. Husband, father of two, geek, lifelong learner, tech lover & software engineer, This blog is originally published at https://www.paulsblog.dev/how-to-setup-traefik-with-automatic-letsencrypt-certificate-resolver/, Coding tutorials and news. Docker containers can only communicate with each other over TCP when they share at least one network. Even if TLS-SNI-01 challenge is disabled for the moment, it stays the by default ACME Challenge in Trfik. If this does not happen, visitors to any property secured by a revoked certificate may receive errors or warnings until the certificates are renewed. As far that I understand, you have no such functionality and there is no way to set up a "default certificate" which will point to letsencrypt, and this hack "Letsencypt as the traefik default certificate" is a single way to do that. It terminates TLS connections and then routes to various containers based on Host rules. Traefik Proxy will also use self-signed certificates for 30-180 seconds while it retrieves new certificates from Let's Encrypt. I try to setup Traefik to get certificates from Let's Encrypt using DNS challenge and secure a whoami app with this certificate. What I did in steps: Log on to your server and cd in the letsencrypt directory with the acme.json; Rename file (just for backup): mv acme.json revoked_acme.json Create new empty file: touch acme.json Shut down all containers: docker-compose down Start all containers (detached): docker-compose up -d rev2023.3.3.43278. But I get no results no matter what when I . Here's a report from SSL Checker reporting that secondary certificate, check Certificate #2 the one that says non-SNI: SSL Server Test: sample-custom-dc2.widemeshstaging.net (Powered by Qualys SSL Labs).pdf, For comparison, here's a SSL checker report but using HAPROXY Controller serving the exact same ingresses: We tell Traefik to use the web network to route HTTP traffic to this container. I ran into this in my traefik setup as well. All-in-one ingress controller, API gateway, and service mesh, How to Reduce Infrastructure Costs by Consolidating Networking Tools, Unlock the Potential of Data APIs with Strong Authentication and Traefik Enterprise. I would recommend reviewing LetsEncrypt configuration following the examples provided on our website. apiVersion: traefik.containo.us/v1alpha1 kind: TLSStore metadata: name: default namespace: default spec: defaultCertificate: secretName: whoami-secret Save that as default-tls-store.yml and deploy it. Well need to create a new static config file to hold further information on our SSL setup. Update the configuration labels as follows: Adding tls.domains is optional (per the Traefik docs) if its not set, the certificate resolvers will fall back to using the provided routers rule and attempt to provision the domain listed there. If your certificate is for example.com it is NOT a match for 1.1.1.1 which your domain could resolve to. Add the details of the new service at the bottom of your docker.compose.yml. It defaults to 2160 (90 days) to follow Let's Encrypt certificates' duration. I've been trying to get LetsEncrypt working with Traefik, but unfortunately I continue to get the Traefik Default Cert instead of a cert provided by LetsEncrypt's staging server. and starts to renew certificates 30 days before their expiry. I can restore the traefik environment so you can try again though, lmk what you want to do. We use Traefik to power some of our edge SSL solution here at Qloaked, but if youre trying to figure out how to set up a secure reverse proxy and you DONT want to use Qloaked, heres a simple guide to get you started. The default certificate is irrelevant on that matter. you must specify the provider namespace, for example: Remove the entry corresponding to a resolver. When no tls options are specified in a tls router, the default option is used. Under HTTPS Certificates, click Enable HTTPS. Why are physically impossible and logically impossible concepts considered separate in terms of probability? On January 26, Lets Encrypt announced that all certificates verified through a TLS-ALPN-01 challenge and created between October 29, 2021, and 00:48 UTC January 26, 2022, will be revoked starting at 16:00 UTC on January 28, 2022. Finally but not unimportantly, we tell Traefik to route to port 9000, since that is the actual TCP/IP port the container actually listens on. Already on GitHub? 1. Where does this (supposedly) Gibson quote come from? Obviously, labels traefik.frontend.rule and traefik.port described above, will only be used to complete information set in segment labels during the container frontends/backends creation. Deploy cert-manager to get a certificate for it from Let's Encrypt; Deploy inlets to expose Traefik on the Internet and expose it to the outside world; Pre-reqs. Why is the LE certificate not used for my route ? If you are required to pass this sort of SSL test, you may need to either: Configure a default certificate to serve when no match can be found: , Providing credentials to your application. I am a bit puzzled because in my docker-compose I use a specific version of traefik (2.2.1) - so it can't be because of traefik update. Conventions and notes; Core: k3s and prerequisites. The internal meant for the DB. This traefik.toml automatically fetches a Let's Encrypt SSL certificate, and also redirects all unencrypted HTTP traffic to port 443. Then, each "router" is configured to enable TLS, time="2021-09-08T15:30:35Z" level=debug msg="No default certificate, generating one" tlsStoreName=default. in it to hold our Docker config: In your new docker-compose.yml file, enter the boilerplate config and save it: With that command, Docker should pull the Traefik library and run it in a container. Traefik v2 support: to be able to use the defaultCertificate option EDIT: whoami: # A container that exposes an API to show its IP address image: containous/whoami labels: - traefik.http.routers.whoami.rule=Host('yourdomain.org') #sets the rule for the router - traefik.http.routers.whoami.tls=true #sets the service to use TLS - traefik.http.routers.whoami.tls.certresolver=letsEncrypt #references our . I posted the question on the Traefik forums as well, and somebody there suggested that I should use dnsChallenge instead of httpChallenge. How can i use one of my letsencrypt certificates as this default? To configure Traefik LetsEncrypt , navigate to cert manager acme ingress page, go to Configure Let's Encrypt Issuer, copy the let's encrypt issuer yml and change as shown below. I want to have here (for requests to IP address) certificate from letsencrypt for mydomain.com. As ACME V2 supports "wildcard domains", Traefik is an awesome open-source tool from Containous which makes reverse proxying traffic to multiple apps easy. This option allows to set the preferred elliptic curves in a specific order. inferred from routers, with the following logic: If the router has a tls.domains option set, These steps will enable any user of Traefik Proxy or Traefik Enterprise to update their certificates before Let's Encrypt revokes them. Using Kolmogorov complexity to measure difficulty of problems? one can configure the certificates' duration with the certificatesDuration option. In order for this to work, you'll need a server with a public IP address, with Docker and docker-compose installed on it.