Istio oauth2. com domain and all appse on this domain are working eg app1.

Istio oauth2 Here is my config: apiVersion: install. 7: 4051: August 22, 2020 Failure when two k8s `Ingress`es with not the same domain are configured to use the same ingress gateway. I changed between inline_bytes and inline_string and nothing changed. All this info is present in a JWT payload but not on the frontend side. 2 in namespace cert-manager If anybody try to access <istio ingress>/app, it will be redirected to keycloak login screen. It is setup to use Istio through a simple gateway apiVersion: networking. I have added oauth2-proxy using an AuthorizationPolicy with CUSTOM action. com, app2. status. 9, this is usually solved by using Envoy ext_authz filter with Istio EnvoyFilter API, it works but comes with some big pain points: 1. Istio Authorization Policies in OOM • Oauth2-Proxy implementation and configuration Quick reminder here: OpenID Connect is an extension of OAuth2 (adding extra info about the current end-user into an id_token). The ztunnel proxy also obtains mTLS certificates for the local base_path_match = "prefix" -- can be "exact" or "prefix" -- The external domain that the user sees when they visit the app. I setup my Istio externalProvider with oauth2-proxy on oauth2. I have some workloads within the cluster which need to be exposed without the need to have a valid JWT token. And each namespace has its own oauth2 service, so I needed a way to send auth requests directed at a specific k8s service to a specific oauth2 proxy service in a specific namespace. mydomain. bar to httpbin. After deploying the Bookinfo application, go to the Background. From what I understand the discovery container in the pilot pod is validating the certificate of the OIDC and other incoming requests. I have followed few articles related to this API Authentication: Configure Istio IngressGateway, OAuth2-Proxy and Keycloak, Authorization Pol I have added corsPolicy on my Istio Virtual Service route so that the response contains the appropriate Access-Control-Allow-Origin header when the request contains an Origin header. I'm also using Keycloak 24. Networking. Modified 5 years, 7 months ago. apiVersion: apps/v1 kind: Deployment metadata: name: oauth2-proxy Hello, I’m trying to apply mandatory authentication through Okta before accessing the apps running on the cluster (GKE on GCP), by applying the Envoy OAuth2 filter at the Istio Ingress Gateway level. This guide will walk you through the steps to establish a robust and There are several ways to provide authentication of your services on a public cluster, but only a few methods will use the native Istio and Envoy functionalities: WebAssembly Modules provide built-in filter implementing This demo repository showcases how to use Istio and Azure Active Directory to transparently augment an authentication-unaware application with OAuth2 authentication. This guide will walk you through the steps to establish a robust and secure authentication framework for your Kubernetes-based applications. io/v1beta1 kind: AuthorizationPolicy metadata: name: oauth-proxy namespace: istio-system spec: selector: matchLabels: app: istio-ingressgateway $ kubectl -n oauth2-proxy get svc $ kubectl -n istio-system get service istio-ingressgateway -o jsonpath='{. environment }} namespace Hopefully this blog gives an insight on how Istio together with OAuth2 Proxy can be used as layer in front of applications were authentication is needed. Because a picture is worth a thousand words, let’s take a look at what an OIDC flow looks like. io/v1beta1 kind: RequestAuthentication metadata: name: snoauth-test namespace: test spec: selector: matchLabels: app: snoauth-test jwtRules: Bug Description Hi there, I am using the stack "Istio - oauth2-proxy - Keycloak" for authentication in my apps and as I have seen the oauth2 filter I wanted to get rid of oauth2-proxy. Notice how Istio can only perform the last part, token verification. JSON Web Token (JWT) token format for authentication as defined by RFC 7519. cluster. The question is: how are we going to get that token in the first place? Enter OpenID Connect (OIDC): a way to authenticate a user using a standardized OAuth2 flow. 3? 1: 2933: July 7, 2020 Looking for working example for Istio - 1. istio. dns/eat/hello Route to application (oauth2-proxy) is working so it responds with 403 - standard for oauth2-proxy. 1. It has a wide range of supported Identity Providers and is actively It enables any workload on Istio to integrate with an external IAM solution. . svc. We have a large number of management only services (kibana, grafana, prometheus, alertmanager, etc. maybe i just miss a simple step . com I’m having trouble using oauth2-proxy as an external auth with Istio 1. so far i foll I have been trying to implement istio authorization using Oauth2 and keycloak. Redirecting and all seems to be working fine. The following code is used by the Lua code of evoyfilter for istio ingressgateway to authenticate the oauth2 server for the access request of “/ sapi/” path: function checkToken(request_handle,cluster) local path=request_handle:headers():get(":path"); local Expected Behavior. ip}' Now we can go to our DNS configuration portal, to populate the DNS A-record for demo1. com or foo. io/v1beta1 kind: AuthorizationPolicy metadata: name: istio-gateway-oauth-proxy namespace: istio-system spec: action: CUSTOM provider: name: oauth2-proxy Introduction. oauth2-proxy. I am trying to utilize the oauth2 envoy filter initially referencing this example. The downside is that currently OAuth2_Proxy does not support a password on the Redis connection. To make use of this field, you must configure the numTrustedProxies field of the gatewayTopology under the meshConfig when you install Istio or using an annotation on the ingress gateway. com. 1: 487: October 8, 2020 How to implement istio authorization Setting up a Istio-powered cluster is easy, but once created, you need to take care about restricting access to your services. The main features that accomplish this are the NodePort service and the LoadBalancer service. This task shows you how to set up Istio authorization policy of ALLOW action for HTTP traffic in an Istio mesh. ingress. - inovex/demo-istio-azure-auth Istio in Kubernetes: Oauth2 External Auth. Description This is a follow up for #2409. With the App Identity and Access Adapter, you can use any OAuth2/OIDC provider: IBM Cloud App ID, Auth0, Okta, Ping Identity, AWS Cognito, Azure AD B2C and more. I can authenticate through oauth2 proxy but when I am authenticated, I get always a 404. The user should have appropriate user role which comes from keycloak. 6 - 15a1b580-44a1-4376-a4c4-acba90ae207d - dsach@my-nm. Now the response doesn't contain the Access-Control-Allow-Origin header anymore, The provider. htt The ztunnel proxy uses xDS APIs to communicate with the Istio control plane (istiod). This allows us to write a custom lua filter to to route unauthenticated requests to an oauth proxy which can perform 3-legged oauth flow. 13. I followed this post in order to make it work with t Enter OpenID Connect (OIDC): a way to authenticate a user using a standardized OAuth2 flow. com/blog/OAuth2-based-authentication-on-Istio-powered-Kubernetes-clusters/ How to exclude some The value of client-id and issuer_uri must match the values of the configuration of your reverse proxy or cluster API replacement. Istioctl version: 1. com" -- Disable the redirect to the auth signin page if set to the string "true" local auth_signin_disable_redirect = "false" -- The external dns name of the Expected Behavior. tld Redirect to login Authenticate against Github Redirect to Prometheus instance Current Behavior Go to https://prometheus. 9. I have a simple application based on the httpbin application in the example. Hi there, We have configured istio + oauth2-proxy + keycloak, but we are using a custom selfsigned CA certificate. However, after applying the EnvoyFilter, nothing change, and I can still access the application without being redirected to Okta first. Istio AuthorizationPolicy with oauth2-proxy block authentik/keycloak's Gateway too. client --> ingress gateway --> istio-proxy sidecar --> envoy filter Hello, I am running Istio version 1. As Tushar Mistry mentioned in the comments - problem is solved based on this article:. 113. Oauth2 Proxy can integrate with multiple well known IDPs and can provide a way to implement Authentication and Authorization. It is fast, powerful and a widely used feature. io -n foo to confirm, and use istio create (instead of istio replace) if resource is not found. Please find below my full config: I'm looking for a way to authenticate an Istio-enabled Kubernetes cluster with an external Oauth2 provider. My policies not working. I found several post about this error, but none was specific for my problem. I confiured native oauth according to this post: https://getindata. 1. OAuth2 Proxy has quite a few configuration options described in oauth2-proxy documentation and available in the example values. The initial redirect to the authorization endpoint works as expected, httpbin-c6b85f985-zslgh istio-proxy 'location', 'https: How to implement istio authorization based on keycloak user role. 11 running with custom external authorization using oauth2-proxy and keycloak. I know there are EnvoyFilters that might possibly fill the gap here, Getting traffic into Kubernetes and Istio. auth. Problem. @YangminZhu I’m seeing a similar issue attempting to configure oauth2-proxy as an external authorization provider: The original request to an authaurizationpolicy-protected service gets successfully redirected to the oauth2-proxy, I’m able to authenticate, and the redirect goes back to the oauth2-proxy. property. 2020-03-14. 📝 This is a very summarized list, I implore you to scour the web for details on how to set everything. digihunch. name. 2 Keycloak as OIDC provider Oauth2-Proxy to manage OIDC flow Mesh Config changes Nginx as example app. I am new to Istio world, but I think a Mixer adapter will be able to do this task using Authorization template Here I imagine how things should work (please feel free to correct me, I am still understanding this Mixer 🙂 ) => Since envoy proxy(the sidecar inside you container) suppose to do 2 things, one of them is performing precondition checks, so I imagine this Bug Description Adding the following filter to the filterchain results in typecasting errors for istiod: kind: EnvoyFilter - applyTo: HTTP_FILTER match: listener: portNumber: 8080 filterChain: filter: name: "envoy. Specifically for oauth2-proxy, you I have am having some troubles getting outh2-proxy to work with Istio. kubernetes. com domain and all appse on this domain are working eg app1. 0; oauth; istio; oauth2-proxy; user3069488. I have oauth2-proxy deployed in Kubernetes with Istio authenticating with Github. security. Even the Kubernetes Ingress resource must be backed by an Ingress controller that will create either a NodePort or a LoadBalancer service. Istio ExtAuthz with Oauth2-proxy removing headers in upstream #34421. 4, including the DENY action, exclusion semantics, X-Forwarded-For header support, nested JWT claim support and more. Picture a use case were Hello, I am trying to configure an Istio EnvoyFilter with the oAuth2 filter. For the az cli option, complete az login authentication OR use cloud shell, then run the Hello Rodrigo, I encountered a similar problem with Istio running in Openshift. Some configuration highlights from what I remember. The plan is to have the authentication and authorization flow (oauth2) being managed by the Ingress Envoy Gateway in Istio. io/v1beta1 kind: RequestAuthentication metadata: name: tkn-request-auth namespace: tekton-pipelines spec: Istio; OAuth2-Proxy; Okta; We found a surprisingly small number of tutorials when trying to set this up ourselves so here is our quick tutorial. My bad, poor copy pasting the actual AuthorizationPolicy is. io: $ kubectl apply -f - <<EOF apiVersion: security. The Policies should run against hosts and not paths as we have multiple apps in there. When that endpoint is called, organizations calls into the ‘entitlements’ service to get some information. On same cluster i have other environments which are using same istio extensionProvider and pointing to Istio 1. yaml apiVersion: v1 kind: Secondly, the Google token exchange endpoint returns two token: id_token - JWT token containing all the requested attributes of the user; access_token - starting with ya29, allowing access to google services (but not Istio+oauth2-proxy+keycloak. Before you begin. One the most effortless options is to use external OAuth2 provider and if you use recent Istio version, it's only a matter of simple configuration. Created an oidc client in keycloak for oauth2 proxy with a bunch of mappers and scope settings to fit our needs. Redis is needed in order to pass JWT tokens from Keycloak to Istio, otherwise the cookies are too large and get split (which is not supported easily in Istio). I have followed few articles related to this API Authentication: Configure Istio IngressGateway, OAuth2-Proxy and Keycloak, Authorization Policy. It was discussed that the oauth2-proxy integration with Istio should be managed with Istio Mesh Config instead of EnvoyFilter. The exact setup and reasoning was described it this and following c Installing OAuth2 Proxy. When the request is made, using Google as the OAuth2 provider, the following networking requests are made:. 3. Defence-In-Depth. How to use Istio and OAuth2-Proxy as a layer in front of your application to authenticate through OIDC in Kubernetes This post will show how Istio can be used to force users to authenticate before accessing applications. nginx container is not getting the Authorization header(JWT token) Below is my config for Oauth2-Proxy deployment. Neither OIDC nor OAuth2 describes how the end-user should be authenticated since OAuth2 primarily focuses on the authorization part. 23. value of X-Auth-Request-Groups header in Istio AuthorizationPolicy. Thanks all for the replies. The Nginx Ingress controller has a way to do this when using vanilla Ingres resources. Current Behavior. bar. Software stack: Istio installed using helm version 1. Values. This can be used to integrate with OPA authorization, HOWTO use Istio and OAuth2-Proxy to secure all your micro-service endpoints in a centralized and easily managed way on Kubernetes. Similar to for example: I want to support multiple oauth2 proxy in my setup without adding multiple custom actions. ingress[0]. Summary. I want to At first glance, Istio seems to support end-user authentication. authentication. JWTRule. bar or httpbin. Authenticating applications on Kubernetes can be a complex process, but integrating Okta, Istio, and OAuth2-Proxy provides a powerful solution. 9, check the task Istio / External authorization with custom action and the blog Istio / Better External Authorization for more info. Redirect to Keycloak authorization not working. Now I am looking for an approach to get users' data and other attributes like gender, phone_number, or even get cognito:groups value in my frontend app. 5: 1795: July 21, 2023 How to use keycloak for RequestAuthentication in Istio 1. e. My filter : {{- if eq . The trouble I’m Istio OAuth2 with Keycloak. The token should Goal: Use keycloak to authenticate and (somehow)authorize for ingressgateway exposed services. Posted community wiki answer for better visibility. Could please help me Here is my configs apiVersion: security. com etc. Ease of usage: define the external authorizer simply with a URL and enable with the I am looking for some support to add regex in the istio authorization policy. The authentication is successful but many headers are being removed from the Response Headers. You can create an AKS cluster via numerous means such as the az cli, the Azure portal, az cli with Bicep, or Terraform. Istio ingress gateway: the ingress point of traffic coming from the public network and into your cluster. 1: 624: February 25, Hello everyone I have istio 1. yaml in GitHub. Here's what I've done. See the documentation here: Configuring Gateway Network Topology. I want to authenticate an app in Kubernetes using Istio Ingress gateway, OAuth2-Proxy and keycloak. 6. My goal is configure a second Istio ingressgateway, istio-oauth-ingressgateway, and use oauth2-proxy as an extensionProvider with an AuthorizationPolicy CUSTOM action for all endpoints access through the ingressgateway. See OAuth 2. Together, they allow developers to protect their APIs and web apps without any application code required. I have followed few articles related to this API Authentication: Configure Istio IngressGateway, OAuth2-Proxy and Keycloak, Authorization Pol I setup my Istio externalProvider with oauth2-proxy on oauth2. io/v1 kind: RequestAuthentication metadata: name: "jwt-example" Hello, I have such AuthorizationPolicy: apiVersion: security. Istio’s authorization policy provides access control for services in the mesh. Unfortunately fails the flow with the error: “Jwks doesn’t have key to match kid or alg from Jwt”. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company With Istio, we can use a single oauth2-proxy for every endpoint/service/domain that we want to expose to the public. 11. 0 in a GCP Kubernetes cluster using Istio 1. #IstioCon Pain Points (1/2) Before 1. There is a problem I am facing at work after having integrated Istio with Oauth2-proxy using an external OIDC - Keycloak. 1: You can verify setup by sending an HTTP request with curl from any curl pod in the namespace foo, bar or legacy to either httpbin. - t-ide/istio-auth-gateway. com etc On same cluster i have other oauth-2. Hello, I have istio 1. com returns 503 Description: I'm trying to use the OAuth2 filter to authenticate with Azure AD. In the previous blog, I discussed a solution to Hello with Nginx you are able to set the following with annotations: nginx. We can see the logs in Oauth2-proxy showing the username and so on. This task shows you how to set up an Istio authorization policy using a new experimental value for the action field, CUSTOM, to delegate the access control to an external authorization system. Authentication and authorization policies can be applied in a streamlined way in all environments — including frontend and backend applications — all without code changes or redeploys. The api_proxy_ca_data is the public certificate authority file encoded in a base64 string, to trust the secure connection. Ask Question Asked 5 years, 9 months ago. io/v I have been trying to implement istio authorization using Oauth2 and keycloak. 0 and OIDC 1. Istio acts as a security gatekeeper by integrating with external authentication providers that utilize OAuth2 or OIDC protocols. How Another option is to enable --set-xauthrequest flag in OAuth2 Proxy and then check e. Now I'm trying to create authorization flow only for api1, but I'm going to develop this authorization flow for api2 too. 203. A service mesh is an architectural pattern that provides common network services as a feature of the infrastructure. The approach is parially explained here. I am able to hit the I don't have too much experience with kubernetes and now I'm facing some issues. Deploy the kubeflow application on the cluster; Deploy Dex with OIDC service to enable authn to google Oauth2. io/auth I am trying to use OAuth2-Proxy with an Istio AuthorizationPolicy to handle login and authorization for an application running on AKS. 3 to 7. Additional informations can be found here OAuth Provider Configuration | OAuth2 Proxy. 3 (base + istiod in namespace istio-system, gateway in separate one istio-ingress-public - just like in Istio docs) cert-manager installed using helm version 1. In Istio 1. Examples: Spec for a JWT that is issued by https://example. Is there any option to do istio auhtorization based on keycloak user role. However, the usage of Hi there, I am trying to set up Istio with Oauth2-proxy and Keycloak. Since Istio uses Envoy as its proxy which is flexible and highly configurable, it is possible to implement external authorization using custom EnvoyFilter to intercept the requests and forward them OAuth2-Proxy is an open source reverse-proxy solution that performs the role of OAuth Client in a OAuth2. Follow the Istio installation guide to install Istio with mutual TLS enabled. Viewed 4k times 2 I am using Istio as API Gateway and Service Mesh. The majority of the examples set ssl_insecure_skip_verify parameter to true to skip the verification of the OIDC provider endpoint. apps. I was looking for a way to authenticate on a per-k8s-service basis. Before you begin this task, do the following: Read the Istio authorization concepts. ). currently an istio authorization policy has created by using external authorization using oauth2-proxy. At least I hope it provides some clarity how to configure Istio to do this, and perhaps it can help make your decision on how to handle authentication in microservices easier. I have a separate oauth2 server to check the identity of the customer. This can be used to integrate with OPA authorization, oauth2-proxy, your own custom external authorization server and more. apiVersion: security. It works well using CUSTOM action. Setup oauth2-proxy. Answering my own question. It is capable of detecting if the incoming request is already This task shows you how to set up an Istio authorization policy using a new value for the action field, CUSTOM, to delegate the access control to an external authorization system. com or bookstore_web. This enables the fast, dynamic configuration updates required in modern distributed systems. Whether an Istio VirtualService has a rewrite or not, it should be authenticated if authentication has been validated, and the authentication cookie is set. Everything is working fine in terms of forwarding the end-user to the Keycloak login page, and getting redirected back. I have created and deployed two services in the default namespace, an ‘entitlements’ service and an ‘organizations’ service. verify the JWT and allow the request). Recently we tried using it for canary test routing if a particular header is passed via web browser. 4. The OIDC Flow. Using Istio & OpenID Connect / OAUTH2 To Authorise. 0 when I try to access a url protected by an Istio authorization policy with oauth2-proxy set as the custom authorizer I get a However, we would only create we don’t have to configure client because we won’t create frontend service and doesn’t implement Oauth2 flow to the application. How to I make oauth2-proxy bypass authentication for authentik/keycloak's domain. foo. Deploy the Bookinfo sample application. network. 📌 Introduction: Authenticating applications on Kubernetes can be a complex process, but integrating Okta, Istio, and OAuth2-Proxy provides a powerful solution. io/v1alpha1 kind: IstioOperator metadata: namespace: istio-system name: default spec: hub: docker. In terms of authentication this is fine, but for authorization it doesnt have access control like for these hosts+paths allow users with these roles, etc. Closed ricosega opened this issue Jul 29, 2021 · 8 comments Additionally you need to add 2 mappers (Audiences, Group membership). The ‘organizations’ service exposes and endpoint meant to be hit publicly. Now i wanted to Disable RequestAuthentication JWT rules for specific paths. I did look into authservice. It works well. After I hit the protected endpoint, the auth flow works good and session cookie is set as normal. Apart from that, you can follow the above yaml files. The authentication works, but by some reason Istio is removing headers sent to the upstream after successful authentication. Getting traffic into Kubernetes and Istio. 1 How to set up Istio RBAC based on groups from JWT claims? 622 Trying to get external auth to work with ingress gateway (no service mesh), but can’t get external auth to kick in. I want to make it very easy for developers to Istio with oauth2-proxy only works with Safari and not Chrome or Firefox. g. This works, but when I switch the Context to GATEWAY and change the workload selector, I get passthrough. com), I’m successfully redirected to Dex, and I’m able to login using Dex (using local db username/password) and then get redirected back to my app. Specifically, oauth2 correctly talk to Keycloak, but when I try to access https://stage. 0 authentication flow. bookinfo) No matching workloads for this resource with the following labels: istio=ingressgateway However looks like the default I am using istio deployed in a minikube cluster. 0 for ML; Deployed dex 1. istioctl analyze displays a warning that could be the root cause : Warning [IST0127] (AuthorizationPolicy ext-authz-oauth2-proxy. 3? 1: 2919: July 7, 2020 There is any example application for authentication and authorization? OAuth2-Proxy Version 7. 4) and Istio Auth Gateway is a Helm Chart that integrates Istio and Keycloak to perform OIDC-based user authentication. io/istio tag: Controlling mutual TLS and end-user authentication for mesh services. When using HTTPS scheme everything works as expected, however, when trying to use HTTP, my external auth flow fails because of the absence of the CSRF header (403 Forbidden). Our Kiali service should be an HTTP service (it has an HTTP port, an HTTP listener, and even has HTTP conditions applied to its filters), and yet the The redirection issue solved by updating authorization policy apiVersion: security. microsoftonline. The following command creates the jwt-example request authentication policy for the httpbin workload in the foo namespace. 6 been used in kubeflow for service meth; Trying to deploy kubeflow 1. Allow the user to access /app - only after a successful login. 9, the CUSTOM action in the authorization policy allows you to easily integrate Istio with any external authorization system with the following benefits:. Istio egress gateway: used for securing egress traffic. It provides all the native authentication features including user federation, SSO, OIDC, user management, and fine-grained authorization. Also note in this policy, peer authentication (mutual TLS) is also set, though it can be removed without affecting origin authentication settings. 7: Secure authentication and authorization for Kubernetes apps 👮‍♀. However, the access token timeout I have integrated oauth2-proxy with AWS Cognito leveraging Istio as described in jetstack's article, all is running in K8S. All methods of getting traffic into Kubernetes involve opening a port on all worker nodes. example. This is convenient when it is running with a self-signed Share my latest achievements. For example, here is a command to check curl. Expected output: My idea is to implement keycloak authentication where oauth2 used as an external Auth provider in the istio ingress Bug description I am trying to configure ExtAuthz with Oauth2-proxy and Keycloak. 19. On same cluster i have other environments which are using same istio extensionProvider and pointing to same oauth2-proxy. authservice is compatible with any standard OIDC Provider as well as other Istio End-user Auth features, including Authentication Policy and RBAC. Luckily, I found this blog article by Justin Gauthier who’d done a lot of the leg-work to Authenticating applications on Kubernetes can be a complex process, but integrating Okta, Istio, and OAuth2-Proxy provides a powerful solution. End-user authentication using OpenID Connect OAuth2 Proxy. This blog is a sequel to my previous blog on the same topic: API Authentication using Istio IngressGateway, OAuth2-Proxy and Keycloak. AuthorizationPolicy apiVersion: security. tld Background. 2 Kubernetes I am using the stable/redis helm chart, with minimal configuration explained below. You can refer to this official site. We run Istio on our Kubernetes cluster and we're implementing AuthorizationPolicies. The client receives a JSON Web Token after following an authentication workflow at the edge of Hello everyone. What is Keycloak? Keycloak is an open source authentication service provider and identity and access management tool that lets you add authentication and authorization to applications. authz doesn’t seem to do anything. environment }} namespace: istio-system spec: selector: oauth2-proxy not working with paths in istio #2148. enabled "true" }} apiVersion: networking. The api_proxy attribute is the URI of the reverse proxy or cluster API replacement (only HTTPS is allowed). Single IP (e. 2 and KeyCloak for External Background. I'm currently running OAuth2-Proxy inside a kubernetes cluster as a knative service, which is in turn using istio underneath. Expected Behavior Go to https://prometheus. We went ahead and installed istio with its helm charts through argocd. I have just started using Istio very recently for our api deployment and it worked fine. So I still want to use istio’s claim based access control. The OIDC Flow — Istio Gateway only supports JWT verification. Here is the config: apiVersion: security. The filter seem to be intercepting on port 80 but the patch to ext. legacy. 2 Kubernetes Hello, I’m trying to apply mandatory authentication through Okta before accessing the apps running on the cluster (GKE on GCP), by applying the Envoy OAuth2 filter at the Istio Ingress Gateway level. You need 3rd-party solution, like OPA or OAuth2-proxy Istio authz lacks necessary semantics for your use case. So I am using oauth2-proxy as ext_authz provider. Note: At I have been facing a problem with a Policy which has no effect on the project, i case i have an application for oauth2 token that is pointed on the policy of another application to use that, there is no effect at it, Istio Policy custom oauth2 token. This problem is mentiond here but the workaround did not fixed the issue for me. 2 as an OIDC provider. xyz, the redirect URI becomes redirect_uri=https%3 Is there a way to ignore a specific route from Envoy Filter ? In my case, i don’t want to protect /status to perform healthchecks. 0: 504: October 2, 2019 Istio and Keycloak. io/auth-url: https://$host/oauth2/auth nginx. Some of the features it provides: I looked into Istio documentation and I understand that Istio also provides Authentication+Authorization solutions, API Gateway solution for managing API traffic along with traffic management between internal services like other open sou Istio in Kubernetes: Oauth2 External Auth. For the sake of completeness I will put all the code here. But unfortunately we get CORS preflight errors as below Access to Hello, We are building an API gateway in which we want to authorise requests against our existing OAuth2 Authentication Provider. 1) authenticate a service (httpbin here) with an external IDP (Dex) via an OAuth proxy. Currently I am having below authorization policy having the custom action. In traefik there is the option to use the forwardAuth middleware to pass headers to the Provider which will return a 200 or otherwise which traefik will act upon. The I’m using a dedicated ingress gateway with Gateway configured for port 443, httpsRedirect for port 80, and external auth with OAuth2 Proxy and Dex. Closed holotrack opened this issue Jun 27, 2023 · 3 comments Closed authservice helps delegate the OIDC Authorization Code Grant Flow to the Istio mesh. filters. The problem is, oauth2-proxy requires one of the following to I setup Istio, Oauth2-proxy to secure my app. com, with the audience claims must be either bookstore_android. The request control flow is. 1 with custom external authorization using oauth2-proxy and keycloak. local And Key is to use OAuth2 Proxy as istio External Authorizer with istio Allow and Deny Authorization Policies with IDPs roles(in my case Azure AD roles). Allow requests with valid JWT and list-typed claims. Following these installations, I have been trying to implement istio authorization using Oauth2 and keycloak. 5: 1806: July 21, 2023 Using Identity Provider with Istio 1. If you need to add user role based accessibility on istio, follow How to implement istio authorization based on keycloak The idea is to use Istio (v1. 📑 Introduction. The problem is with the istiod container when it tries to verify the certs from our keycloak: 2023-04- We now have better support of integrating external authz in Istio 1. 0 for authn; With the manifest file I successfully deployed the kubeflow on my cluster. Hi, configured istio to use envoyExtAuthzHttp with oauth2-proxy for authentication and configured all the parameters below on oauth2-proxy and on the meshconfig. I am trying to use OAuth2-Proxy with an Istio AuthorizationPolicy to handle login and authorization for an application running on AKS. io/v1 kind: AuthorizationPolicy metadata: name: my-app namespace: dev spec: action: ALLOW rules: - from: - source: Istio AuthorizationPolicy returning 403 after login flow using Oauth2-Proxy and Dex. We want to apply a filter on email address, an HTTP-condition only applicable to HTTP services. Create an Okta Application for OAuth2-Proxy. However I also need to setup direct access to api endpoint using only JWT validation: now I have the following config: --- apiVersion: security. It just times out even though the service on the uri is up and accessible. 302 - (No Auth Headers) - https://my. 0; Enable the RBAC Istio. This policy for httpbin workload accepts a JWT issued by testing@secure. Hi, I have followed this post but I haven’t been able to make it work. This policy has an action field of custom and it would delegate the access control to an external provider using oauth2-proxy. We have made continuous improvements to make policy more flexible since its first release in Istio 1. AKS. 1: 3463: August 24, 2022 How to use keycloak for RequestAuthentication in Istio 1. Istio Auth Gateway is a Helm Chart that integrates Istio and Keycloak to perform OIDC-based user authentication. So I have With the App Identity and Access Adapter, you can use any OAuth2/OIDC provider: IBM Cloud App ID, Auth0, Okta, Ping Identity, AWS Cognito, Azure AD B2C and more. io/v1beta1 kind: AuthorizationPolicy metadata: name: oauth2-{{ . Create a client Let’s create I setup my Istio externalProvider with oauth2-proxy on oauth2. ? oauth2. name doesn’t match with the name that you defined in extensionProviders. You can run oauth2-proxy as a service in Kubernetes or VM, we can use helm charts for that. With Nginx ingress, this worked well with ingress Running kubectl exec istio-ingressgateway-pod -n istio-system -c istio-proxy -- ls /etc/istio/config, I do not see any secrets files. Both Istio's ingress I've been trying to set up OAuth 2 proxy 7. 10. So idea was to setup custom action like that: - envoyExtAuthzHttp: port: 4180 service: oauth2-proxy. io/v1beta1 kind: AuthorizationPolicy metadata: name: example-auth-policy namespace: istio-system spec: action: CUSTOM provider: name: "oauth2-proxy" rules: - to: - operation: paths: ["/app"] notPaths: ["/oauth2/*"] selector: matchLabels: app: istio You can run kubectl get policies. I have a new session so nothing is stored, I have debugging enabled and am not seeing any errors on the gateway or istiod. This was the second blog I found while searching oauth2-proxy with istio, he uses Hello there! I want to achieve the following: on a staging K8s cluster with Istio, we’d like to allow access either to certain IPs or if the IP is not whitelisted we want to login on Keycloak, if login is fine then authorize. 5 and using OIDC Authentication with OAuth2-Proxy . I have bunch of path to check the api health status and I A list of IP blocks, populated from X-Forwarded-For header or proxy protocol. As it stands, when I hit my application endpoint in a browser (httpbin. Oauth2-proxy is able to pass the access token successfully to istio ingressgateway and I am able to see them in the istio-proxy logs but the same access token is not being forwarded to the end point I am trying to use Keycloak with Oauth2 to secure kubernetes-dashboard. Below is one of the example using Istio sample Redirect after authentication not working in Chrome and Firefox but works in Safari. Istiod: Istio's control plane that configures the service proxies. However after signing in, I still get an RBAC: access denied message. com with this IP address: Hello I use Istio + Keycloack + oauth2-proxy for client auth(n/z). md at main · t-ide/istio-auth-gateway With the help of Istio Authorization Policy and the feature to implement our own This article explains how the OAuth2 Proxy authentication flow works and explores additional options The oauth2 proxy can join the mesh, if we label the oauth2-proxy namespace and restart kubectl labels ns oauth2-proxy istio-injection=enabled && kubectl rollout restart deploy -n oauth2-proxy The oauth2-proxies have joined the mesh successfully and the authentication is working fine through mtls We can see that the extAuthz block in the Title: Get token from login. I have followed few articles related to this API Authentication: Configure Istio IngressGateway, OAuth2-Proxy and Keycloak, Authorization Pol Hello @Krishnan, I Istio+oauth2-proxy+keycloak. io/v1beta1 kind: AuthorizationPolicy metadata: name: myapp-redirect-keycloak spec: selector: matchLabels: The steps involve installing Istiod and the Istio Ingress Gateway, Oauth2 Proxy, and Kubernetes Dashboard. io/v1alpha3 kind: Gateway metadata: name: httpbin-gateway namespace: foo spec: selector: istio: ingressgateway # use istio default controller servers: - port: number: 80 name: http2 protocol: HTTP2 hosts: - This post has been updated for Istio version 1. But you must make sure that nobody can bypass OAuth2 Proxy and fake this header. I have been trying to implement istio authorization using Oauth2 and keycloak. This is odd because I can see oauth-proxy returning 200 for the requests: 127. 0. foo, httpbin. 2: 2568: July 19, 2021 Istio AuthorizationPolicy returning 403 after login flow using Oauth2-Proxy and Dex. According to the OAuth2 spec, the IdP is in charge of the authentication. 85; asked Nov 17, 2023 at 18:50. Default profile (sidecar mode). 3: 1398: November 7, 2022 External Autz: invalid redirect uri with Oauth2 proxy. Using the very same configuration locally in a docker container works; but I also get problems when I deploy th Hello, I have such AuthorizationPolicy: apiVersion: security. 0 for how this is used in the whole authentication flow. com) local external_domain = "foo. All requests should succeed with HTTP code 200. 0 Provider github Current Behaviour of your Problem Since upgrading from 7. Security. loadBalancer. - istio-auth-gateway/README. If cookie-expire is setted to long period (1 week) and cookie-refresh to 1 hour (because Google's JWT is valid 1 hour), oauth2-proxy should refresh session cookie earliest after first hour and if successfully recieve iavinas changed the title Istio AuthorizationPolicy with oauth2-proxy block authentik/keycloak's Gateway too. At this point I've figured out the only way to do this is via EnvoyFilter on istio. Istio 1. Here i need to implement one more thing. foo reachability: $ kubectl exec "$(kubectl get pod -l app=curl -n bar -o You can deploy a Kubernetes cluster to Azure via AKS or Cluster API provider for Azure (CAPZ) for self-managed Kubernetes or AKS which fully supports Istio. I was thinking that having an ALLOW AuthorizationPolicy fot the Check the proxy and OPA logs to confirm the result. However, notice how Istio can only perform the last part, token verification (i. From my observations, it Hey, I have basic setup using oauth2proxy + custom action with envoyExtAuthzHttp. The rest of this post, provides the step-by-step instruction to configure OIDC integration, based on Unfortunately, setting up oauth2-proxy with an Istio (Envoy) ingress is a lot more complex than sticking a couple of annotations in there. com), I'm successfully redirected to Dex, and I'm able to login using Dex (using local db username/password) and then get redirected back to my app. 16. Unfortunately, I can't create authorization flow because VirtualService removes prefix with api name from the url and oauth2-proxy callback returns url without this prefix. (i. You can also map and filter header information with handle of JWT The authorization side can be handled by Istio with a custom external authorization system using OIDC: in this guide we use oauth2-proxy for that. First-class support in the authorization policy API. Policies not working. zbkik oyjc rsjkv oqfky sea tnbfil osbp xbvg lkczark wuo