Kafka ssl handshake. You signed out in another tab or window.

Kafka ssl handshake 50 brokers with working pem string configs for 1. Your Answer Reminder: Answers generated by artificial $ kubectl -n kafka get secret cluster-cluster-ca-cert -o jsonpath='{. Q: What are the consequences of not fixing the org. Site; Search; Sign In/Register Site SSL handshake failed 2022-01-24 09:33:26,569 [kafka-producer-network-thread | producer-15] ERROR org. Confluent kafka downloaded from Nuget package. However, I'm seeing a problem with my consumer - I don't receive any of the messages. kafka failed authentication due to: SSL handshake failed. So Trying to produce some data using my Kafka producer application, but i get below error: [SocketServer brokerId=0] Failed authentication with localhost/127. type" in order to use it. b I am facing a SSL handshake failed issue when trying to use internal tls listener on port 9093. SslAuthenticationException: SSL handshake failed. c. cert. protocol and where I have 2 listeners: SASL_PLAINTEXT and SSL Here is part of important configuration: # SASL Additions sasl. keystore. In this article. Now deployed on GKE Standard (1. 18. 0, I am deploying kafka as a multi node cluster and using SSL for interbroker communication. 0 Spring Kafka Handshake Failure No X. /bin/kafka-console-producer. Hot Network Questions Is this blade too pitted? Which of the following heuristics are admissible for the given problem? How to separate lines under same curve object? Alternative to using a tikzpicture inside of a tikzmarknode Minimum is always transparent in ListDensityPlot3D I have to add encryption and authentication with SSL in kafka. clients spring. For more granular control over the Kafka consumer configuration, you Kafka SSL handshake failed issue. Heroku Kafka uses SSL for authentication and issues and client certificate and key, and provides a CA certificate. 1 (Unexpected Kafka request of type METADATA during SASL handshake. Python Kafka client cannot connect to remote Kafka server. 1 where I use GSSAPI as security. Caused by: javax. identification. Using KafkaConsumerFactory. We used this way of connection both on our nodejs apps and kafka-ui and it worked with no issues. ssl. 2 (command line) - producer and consumer cannot Write to or Read from Topic. consumer. How to reproduce. The certificates are valid. To isolate the issue I made sure no apps are running and trying to connect to the Kafka cluster. This is the property that determines the communication protocol used by listeners. Improve this question. 30 kafka failed authentication due to: SSL handshake failed How to debug and fix "SSL handshake failed" for Kafka broker in docker-compose? Ask Question Asked 1 year, 4 months ago. SSL handshake failed: . We are trying to the same with Strimzi Kafka, but we get SSL handshake failed. I want to connect with remote server where kafka is deployed using SSL certificate. Hot Network Questions How to use an RC circuit and calculate values for a flip flop reset Shifting an irrational binary sequence Why are Jersey and Guernsey not considered sovereign states? Is there a reason why I can't use find to scan modified files for Python consumer and producer: The ssl_context and api_version are what caused SSL handshake errors to occur for me, leading to a timeout. I've gone through the official documentation and successfully generated the certificates. This is a server. algorithm= Keystore generation: this is how I was initially doing it: i. 168. In this post, we will discuss how to configure SSL encryption with Java I am using apachekafka latest version 2. Any ideas ? 2022-07-18 14:00:45,216 INFO [NiFi Web Server-203] o. jks can not be found when run Spring boot kafka app using java -jar. 0/kafka/ssl. Handshake failures could also indicate misconfigured security including protocol/cipher suite mismatch, server certificate authentication failure or server host name verification failure. 2 client. My app is a client for k The script requires that the name of the TLS listener must have SSL as the final three characters. io/platform/current/kafka/authentication k3s uses traefik, not nginx, so those annotations aren't doing anything The referenced blog assumes you are using nginx instead. jks -alias localhost -validity 1000 -genkey keytool -importkeyst I am running in my CRC openshift cluster in laptop , looks like CRC is down. 7 (SSL handshake failed) (org. 0. local found. Commented Jun 9, 2015 at 1:44. When the brokers connect and do the handshake, the client (= the broker which is opening connection) needs to verify the identity of the server (= the broker which is accepting the connection). This encryption prevents unauthorized access and tampering, making TLS an essential component of secure communication. Lets assume the three servers are . This is the first time I am trying to connect to Kafka server using Asp. We can configure Kafka clients and other components to use TLS (SSL or TLS/SSL) encryption to secure communication. The set up is deployed onto kubernetes server. crt}' | base64 -d > ca. kafka-operator1. clients. location is correctly configured or root CA certifi 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 Unable to configure authorization with SSL in Kafka 0. kafka failed authentication due to: SSL handshake failed 6 Facing issue in Connecting Kafka 3. protocol=SSL I have a kafka cluster of 3 kafka brokers on 3 different servers. 1. 4. 3. jks. 1/bin/kafka-topics. So, quick update on this - the producer now works. They only support the latest protocol. key, ca-cert. No translations currently exist. ) (org. Kafka Broker Failed authentication - SSL handshake failed. SslAuthenticationException: SSL handshake failed Caused by cp-kafka (SSL configuration). Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? Share a link to this question via email, Twitter, or Facebook. network. 13 Description Authentication fails with SSL errors when auth. AdminMetadataManager [AdminClient I need to read Kafka messages with . ) KafkaProducer import kafka import ssl import logging logging. Viewed 4k times 3 . I also have this problem in Kafka when ssl. Viewed 355 times 1 ULTIMATE GOAL: I make a research trying to understand how Kafka and OPA Plugin integrated between each other and how easy it will be to use OPA Plugin in production. 21. Failing to connect to Kafka on I am making consumer in Asp. Enabling SSL protocols in Kafka brokers involves specifying the supported protocols in the server Looks like "org. If expect that a Common Name from certificate's subject can differ from the host's address that presented it, I can turn off the endpoint validation with Hi everyone, I have the next issue about authentication SCRAM + SSL. 5. 30 kafka failed authentication due to: SSL handshake Name and Version bitnami/kafka:3. truststore These messages come from misconfigured clients or possible from some software which is not Kafka client and just tests the TCP connection. truststore. truststore. ca. But, If you remove this line of config, you will take away the reason for using security in Kafka. algorithm to an empty string in application. Kafka with SSL failed in producer. steps i fo kafka - ssl handshake failing. io/v1beta2 kind: Kafka metadata: na Describe the bug I am attempting to fresh install kafka with TLS and kafkaconnect, but Kafkaconnect fails to connect to the kafka cluster. During this handshake, the client verifies the broker's certificate using the trust store, ensuring that the certificate is valid and issued by a trusted CA. apache. Update: I run into this when I tried to enable ssl. 2 client seems to fail the SSL handshake with kafka 2. Cloudera Community; Announcements. The IPs that are having SSL issue connecting to Kafka are from kube-system namespace pods (internal pods to implement cluster features). crt and created truststore like s Kafka SSL handshake failed issue. Databricks <-> Kafka - SSL handshake failed Jayanth746. Follow edited Dec 9, 2018 at 16:46. How can I do the handshake before sending the message? kafka - ssl handshake failing. Hot Network Questions Is Secure Boot possible with Ubuntu Server? Law of conservation of energy with gravitational waves How to get a horse to release your finger? How can I mark PTFE wires used at high temperatures under vacuum? What is the ideal way for a superhuman to carry a mortal? The AvroConverter needs more configurations to be able to use https. s. SSLProtocolException: Handshake message sequence violation, 2 We have validated that the setup is correct, can see that kafka broker is up and listening. NetworkClient) [2023-05-12 13:34:42,853] ERROR [Producer clientId=console-producer] Connection to node -1 (localhost/127. This blog will focus more on SASL, ACL and SSL on top of I'm trying to set up kafka in SSL [1-way] mode. How to connect from spring boot kafka project to aws MSK. I'll note down the behavior for 2 different cases. We use SASL authentication. 30 kafka failed authentication due to: SSL handshake failed. sslauthenticationexception: ssl handshake failed error, Kafka will not be able to establish a secure connection with other Kafka nodes or clients. Hi, we are running kafka cluster deployed with strimzi operator on Azure AKS cluster. sh to turn on debug all and verify the ssl handshakes happening and Kafka client cannot connect to server via SSL connection for some reason. Thank you Jakub for your response. The only way it may work is if you use PLAINTEXT connection (port 9092) between NLB and MSK. auth=required is set. Modified 1 year, 4 months ago. SSL no suitable certificate found. interBrokerProtocol = sasl_tls auth. server: port: 8888 spring: kafka: consumer: security: protocol: "SSL" bootstrap I have simple Spring Boot App and Kafka with working SSL connection (other apps, not Spring Boot, have successful connection). sh work with configured SASL_PLAINTEXT authentication on the server. You can get rid of them in two ways -> you change the logging configuration, but no idea how many important messages you loose. 1:9093) failed authentication due to: SSL handshake failed kafka で SASL認証とSSLを設定するのに苦労したので備忘録。https://docs. 3. Call: createTopics" is a bit more general than just network connectivity. You signed out in another tab or window. Hot Network Questions Why is the position of the minus sign inside the tikz node shifted upwards when using the unicode Kafka SSL handshake failed issue. SSL handshake failed. This guide walks you through Getting SSL errors in a cluster of three Kafka servers that communicate over SSL (only). 1" We have setup all parameters as indicated in the manual (see image above) but we got. net. 10. Reload to refresh your session. Kafka Connect with Amazon MSK. When I tried to run the container it starts but can't communicate with any broker due to SSL handshake failed. Hot Network Questions What does negative or minus symbol denote in a component datasheet? Issue with aligning part numbers and titles in ToC using tocloft How to teach high school students to Handling SSL Handshake Failures in Apache Kafka. Load 7 more related questions Show fewer related questions Sorted by: Reset to default SSL handshake failures in clients may indicate client authentication failure due to untrusted certificates if server is configured to request client certificates. All the certs provided in the handshake are valid. Changing the name to INTERNAL_SSL resolved the problem. clientProtocol = sasl_tls auth. 1 99. 99. Selector) It works when I set the Kafka's server properties like and I made the key with "CN:localhost" but the logstash and kafka is not on the same machine. jks -alias loc TLS connection to MSK brokers: org. protocol= kafka - ssl handshake failing. It makes also possible to filter based on profiles. Then, I moved to the cloud but the code did not work. Hot Network Questions Listing ongoing grant application on CV is it necessary to use `\fp_eval:n`? You use SSL for inter-broker communication. \ssl\s3_clnt. X:4848 --list Main important point , configure listeners with IP address in server. You can configure each Kafka broker and client (consumer) with a truststore, which is used to determine which certificates (broker or client) to trust (authenticate). Net - SSL Handshake Failed. Hot Network Questions Am I somehow exempt from ETA and EES? What is the point of solo mining pools? Minimal pair /u/ and /ʊ/ What is the Kafka SSL handshake failed in custom Java producer. When the brokers connect and talk to each other they act as clients. To Reproduce Steps to reproduce the behavior: kubectl create namespace kafka curl -L https://githu SSL connection will fail between NLB and a broker, because IP address of a broker is not added to a certificate deployed on a broker side, so NLB won't trust that connection. A big PIT, when you are asked the following question like this, make sure you input the "localhost" or the broker's FQDN don't be stupid to write your name, haha. bat file to send data in to the topic i get below error. Moreover we can improve security by adding client authentication. sh? I assume that I should run kafka-topics. Selector) My goal is to find a way to automatically rotate certificates for kafka clients, without manual intervention. crt) These are configurations that you have to make sure while running a command. Net code. For my understanding is AWS MSK is using amazon certificates that are known . 5-gke. jksSecret = kafka-vanilla auth. cluster. io/2. I have verified that key and certificate are valid for kafka broker by successfully running a console consumer: Unable to configure authorization with SSL in Kafka 0. 1:9092. Load 3 more related questions Show However I have a java application that I'd like to connect to the brokers. Based on #1346, one could assume that enable. a. Solved: ConsumerKafka2. KafkaConsumer hangs forever on consumer. I don't know if I Kafka SSL handshake failed issue. protocol=SSL, there is no way it can use the other protocol. This is what I have done: - 1) Generate certificate for each broker kafka: COMANDO: keytool -keystore server. AdminClientConfig adminClientConfig = new AdminClientConfig {BootstrapServers = "xxxx", SSL handshake failed In Kafka Hi Team, I am testing a use case of authentication using SSL port 9093 with all the required certificates. This set I have a running Kafka Connect instance and have submitted my connector with the following configuration at the bottom of this post. key-store-certificate-chain property is a common approach, there are alternative methods to configure SSL/TLS for your Spring Boot Kafka consumers. You don’t have a copy of that CA certificate, The `org. Change kafka host and port when using Quarkus & SmallRye. type=PKCS12 \ > --producer-property ssl. 1 on /127. mydomain. sh --broker-list mm-backup-cluster-kafka-bootstrap:9093 --topic mm-src-cluster. SSL/TLS Handshake: When a Kafka client initiates a connection with a broker, the SSL/TLS handshake takes place. sh \\ --bootstrap-server kafka. 1 Kafka SSL handshake failed in custom Java producer. kafka - ssl handshake failing. Hot Network Questions Number grid dance Effect of byte length of r and s on DER encoded signature Why does adding and deleting a character with nano to an executable in /bin yield a segfault? · Introduction: · Starting Kafka with SSL setup ∘ Step 1: Prerequisites ∘ Step 2: Generate SSL Certificates ∘ Step 3: Configure Kafka for SSL ∘ Step 4: Start Kafka server using SSL Kafka SSL handshake failed in custom Java producer. 12 Kafka SSL handshake failed issue. sh A basic Confluent-Kafka producer and consumer have been created to send plaintext messages. x to Spring Boot 3. After creating, on my machine, I run the kafka-provided kafka-console-consumer. 1 Kafka + SSL: General SSLEngine problem for configuration A client SSLEngine created with the provided settings. Here is the setup that I have. I am using docker-compose to build the containers. You switched accounts on another tab or window. 2. New Contributor III Options. x client with Heroku Kafka? Issue When using a Kafka 2. (There were some tutorials out there that mentioned to use those. So I commented those out. Kafka Connect failing to read from Kafka topics over SSL. I am following 7. This is what I have done: - 1) Generate certificate for each broker kafka: COMANDO: keytool -keystore To handle SSL handshake failures, you can check the Kafka broker logs, ensure that the keystore and truststore files are correct, verify the certificates, and set the SSL In order to implement an SSL handshake between the Kafka brokers, we need to understand the structure of certificate authority, keystore, and truststore and how to generate them. 99. First of all, I create the keystore and trustore by following command : keytool -keystore server. jks -alias localhost -validity 365 -genkey 创建ca。 生成的ca是一个公私密钥对和用于签署其他证书的证书。 Hi. org. I haven't access to kafka brokers properties. Selector) [2020-10-16 10:48:14,476 2016-09-15 21:43:02 DEBUG SaslClientAuthenticator:204 - Set SASL client state to RECEIVE_HANDSHAKE_RESPONSE 2016-09-15 21:43:02 DEBUG NetworkClient:476 - Completed connection to node 0 2016-09-15 21:43:02 DEBUG Acceptor:52 - Accepted connection from /127. Here is my Kafka cluster configuration: apiVersion: kafka. SslAuthenticationException: SSL handshake failed Caused by: javax. And the code would get the absolute path from that and set it. Next, we'll create the certification authority key and certificate by running the following command in the terminal (in this exercise we are using a certificate that is self-signed; as I have discovered 2 possible causes for this: Server host name verification: this is likely to fail, so it's best to disabled it by setting ssl. 30. Brief stop of data pipeline is acceptable. 2 kafka 2 way ssl authentication. Net from an external server. The code section that runs in the conditional translates the environment variables set in example 2 into Why do I receive an SSL handshake failure when using the Kafka 2. CertificateException: No subject alternative DNS name matching my-cluster-Kafka-external-bootstrap. Spring App Not Connecting to Kafka with SSL. But it ends up with a SSL handshake Which chart: kafka-3. KafkaException: Failed to load SSL keystore I wonder why the SSL handshake and SASL authentication each take 10 seconds on Windows! c#; security; apache-kafka; confluent-platform; Share. com:443 --producer-property security. verification (according to librdkafka's configuration) is true, so maybe after the config is passed from confluent-kafka-python to librdkafka, the boolean False is converted to the default string "true"?. Please give any advice to me. A couple of next questions I have is Q1) In the logs, I have seen the exception - java. 3 All 3 servers have a shared path on which kafka is residin I'm using Heroku Kafka, which is running 0. The same java application can connect to non-SSL enabled Kafka brokers without an issue. Followed all steps, but while calling the producer. properties # Hello we are facing this issue in using the plugin "kafka-tools 1. 6 I connect to kafka using ssl I added a keystore and a triac from kafka servera I - 369012. Thanks for the information, it helped and worked with detailed logs in the console. Selector) By the looks, the producer tries to send a metadata request, before the SASL handshake. 4) on Azure. Net using Confluent Kafka. 1 and uses SSL. 4 Apache kafka 2. Related questions. Hot Network Questions What factors determine the frame rate in game programming? How can I successfully use Alaska Airlines MVP Gold Guest Upgrade certificates? Fantasy book with a chacter called Robin 9 finger Creates class and makes animals, then print bios Im doing upgrade from CP5. You can trim the certificate information. security. Note that when using Avro in a secure environment, you need to add *. I have a Kafka Server deployed on a Windows VM (VM1: 10. I recently migrated an application from Spring Boot 2. SSL handshake failed 2021-10-21 08:13:46,726 WARN inclient-2 c. I am using config for connection: Kafka brokers SSL handshake failed: Disconnected: connecting to a PLAINTEXT broker listener in RHOCP 4 . Quarkus Docker JVM SSL issue. Kafka SSL handshake failed issue. [2020-04-30 14:48:14,955] INFO [SocketServer brokerId=0] Failed authentication with /127. 1 (SSL handshake failed) (org. 我必须在kafka中添加ssl加密和身份验证。 我就是这么做的： 为每个代理生成证书kafka: keytool -keystore server. confluent. common. By following these steps and ensuring the correct SSL configuration, certificate chain setup, and handling hostname mismatches, you can effectively troubleshoot and resolve Configuring Kafka to use SSL/TLS is vital for safeguarding your data in transit, preventing unauthorized access, and maintaining data integrity. Kafka Failed SSL Handshake with Springboot. sendBufferSize [actual|requested]: [102400|102400] Hello, how are you ? when running compose, it returns this error, any tips? org. Spring Kafka client SSL setup. It's important to mention that BeanPostProcessor runs for Alternative Methods for Configuring SSL/TLS in Spring Boot Kafka Consumers. protocol=SSL \ > --producer-property ssl. sslauthenticationexception: ssl handshake failed error? A: If you do not fix the org. jks -storepass password -noprompt $ kafka-console-producer --broker-list kafka-bootstrap. enabled = false I have problem with connecting from local host machine to kafka broker in container. 13-2. Thanks. TimeoutException: Timed out waiting for a node assignment. 1. 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 You're trying to connect a Kafka client to a development Apache Kafka cluster which has been quickly set up using a self-signed CA certificate. If I turn off authentication, but leave host verification on, everything appears to work which implies that perhaps there's either an issue with the SSL principal mapping or simply that Kafka doesn't trust the issued certs perhaps? Once the handshake completes, TLS encrypts the data transmitted between them, ensuring confidentiality and integrity. X. Selector) [2020-10-16 10:48:13,141] INFO [SocketServer brokerId=2] Failed authentication with /127. create keystore. client. ssl. strimzi. location" and "ssl. It works fine with PLAINTEXT connection, but doesn't work with SSL connection. From what I can pinpoint the issue is related to the AvroSerializer (now version 7 before version 5) as it seems it does not take the SSL Until now we were connected with SSL but didn't have to specify any CA path or something. Another issue I noticed when testing things is that 2. persistence. svc. You signed in with another tab or window. While the spring. While debugging, authentication [kafka@mm-backup-cluster-kafka-0 kafka]$ . 6. I solved most but can't shake this one off. My requirement is broker should authenticate only specific clients. debug=ssl,handshake. 2 Kafka - Hi everyone, I have the next issue about authentication SCRAM + SSL. KafkaSource connection to Confluent Kafka (with SSL & SchemaRegistry) Hot Network Questions Is the momentum wave function's square amplitude always time-invariant for a free particle? Hi @jliunyu - Thanks for getting back to me. 4 What architecture are you using? amd64 What steps will reproduce the bug? I'm trying to spin a Kafka broker in Kraft mode using TLS mutual auth for client connection. properties content: security. By following the steps in this guide, you can I am trying to enable SSL Authentication on my Kafka server. properties. My organization has a CA which issue all certificates in pkcs12 format. c:1269: error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed: (after 73ms in state CONNECT) What I tried: I suspected the user account might not have access to CA store, so I ran the application using my personal account (vs. As the first step, I have installed Kafka on my local machine and then wrote the . crt $ keytool -import -trustcacerts -alias root -file kafka-ca-cert -keystore truststore. verification should take Python booleans, although from I am trying to setup 2 way ssl authentication. However, SSL handshake failures can occur, causing communication Description HI, since the beginning of the month, I started getting this exception SSL_HANDSHAKE: certificate verify failed: broker certificate could not be verified, verify that ssl. i. Followed steps as per https://docs. Once the TLS handshake is complete, Kafka will then consult its ACL configuration to see if the authenticated user (principal) is allowed to perform the requested action on that resource 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 I setup the SSL for kafka. How can you use TLS for Kafka in Quarkus? 1. Selector) I use SASL_SSL protocol with PLAIN mechanism to communicate with Kafka. mm2-topic \ > --producer-property security. x Java client in a producer or consumer, when attempting to produce or consumer messages you receive an SSL handshake failure, such as the following: Hi, I'm trying to make a kafka consumer working, but I am having this issue about SSL Handshake failed. 2 section in the Kafka documentation . /kafka_2. For example I’m getting SSL handshake failed when I start producer to push data, did below settings: 1. Kafka Connect itself seems to complete SSL handshake, but the sql-server-source-connector/status endpoint shows the SSL handshake failed Questions Kafka Connect completes the SSL handshake but the worker does not. Hot Network Questions Why did the "Western World" shift right in post Covid elections? Set arrowheads at the same height as node using the calc library 1970's short story with the last garden on top of a skyscraper on a world covered in concrete 80-90s sci-fi movie in which scientists did something to make the Same pem string configs also works well with Java Kafka Client. 2, this app interacts with Kafka and a schema registry with self-signed certificates, which are imported in both the truststore as well as the keystore. sh --bootstrap-server 192. After successfully sending messages from producer to consumer, additional configs were added to use SSL I am learning Apache Kafka and I do not understand how to make kafka-topics. Kafka - unable to find valid certification path. When I tried to run the container it starts but can't communicate with any broker due to 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 [2023-05-12 13:34:42,735] WARN [Producer clientId=console-producer] Bootstrap broker localhost:9093 (id: -1 rack: null) disconnected (org. StandardProcessScheduler Starting ConsumeKafkaRecord_2_6[id=f5ee162d-1006-1181-c1d1-1d8a7293ffb7] If I have a self-signed certificate, as a good citizen, I will import it to my keystore and configure Kafka client with "ssl. I have other operators running fine in CRC without any network disruptions, the challenge is only with Kafka. enable=true is set Steps to reproduce the issue: helm install -n kafka --set auth. 0 version - Connection to node 1 failed authentication due to: SSL handshake. I need to create access outside of k8s cluster for dev team, so I obtained ca. SSL handshake failures in clients may indicate client authentication failure due to untrusted certificates if server is configured to request client certificates. sh scripts. I have to add encryption and authentication with SSL in kafka. It is a one-way verification process where a server certificate is verified by a client via SSL Handshake. The broker, in turn, verifies the client's certificate using its trust store. 0. How can I request for example topics list using kafka-topics. the Service Principal) and got the same problem. 5. endpoint. SSLHandshakeException: No subject alternative names matching IP address I have Kafka brokers in cluster. However I am receiving SSL handshake, Following are the steps which I followed, need help All the errors suggest that something is trying to connect to all the Kafka broker ports without properly configured TLS. 6. Why is this happening / how can I fix it? kafka - ssl handshake failing. You’re trying to connect a Kafka client to a development Apache Kafka cluster which has been quickly set up using a self-signed CA certificate. In a distributed system like Apache Kafka, secure communication is crucial to ensure data privacy and integrity. . Restart your k3s cluster, but provide --no-deploy-traefik option, and install nginx ingress controller. properties correctly . basicConfig(level=logging. It goes through SSL handshake, I can see it in the client trace log, but then occasionally fails with &quot;disconnected&qu For the first step 1. In my case, I was using SSL_INTERNAL as the name of my listener, which did not match the pattern. key-store-location=classpath:mykeystore. sh Certificates are valid. certificate. sh Kafka + SSL: General SSLEngine problem for configuration A client SSLEngine created with the provided settings. data. python confluent kafka: Group authorization failed. 8. It seems to try all of them -> even the 9090 and 9091 which should normally be protected by the network policies. I used simple producer on Windows, but when I tried it to run on Ubuntu I got: SSL handshake failed: error:0A000086:SSL routines::certificate verify failed: broker certificate could not be verified, Hi everyone, I have the next issue about authentication SCRAM + SSL. Issue. Kafka SSL handshake failed in custom Java producer. schema. Kafka SSL handshake failures can prevent Kafka brokers or clients from communicating with each other, which can lead to data loss or downtime. Post the output from running your client with -Djavax. n. Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed; Permalink; Print; Report Inappropriate Content ‎11-17-2022 09:36 AM. I think SSL handshake is not complete and as a result the request to the broker is timing out. Consume() INFO [SocketServer listenerType=ZK_BROKER, nodeId=1001] Failed authentication with /172. Kafka: SASL_SSL + ACL can produce but not consume. Plaintext listener only works when KAFKA_LISTENERS for EXTERNAL_PLAIN is set to EXTERNAL_PLAIN://:9092 ( SSL handshake failures in clients may indicate client authentication failure due to untrusted certificates if server is configured to request client certificates. Hot Network Questions Does "To the Moon" generate interest while using the Green Deck? Notice we also have KAFKA_LISTENER_SECURITY_PROTOCOL_MAP set to accept SSL connections as well. sh and kafka-console-producer. When you mention security. errors. 1302) everythin We are able to do mTLS authentication using Kafka client with the Admin setup (Kafka client with required certificates), however filebeat kafka is failing to do SSL handshake. kafka. ca\. You don't have a copy of that CA certificate, and (because it's not signed by a well-known CA) your Kafka client is failing because of SSL handshake errors. 13. 14 Kafka SSL handshake failed issue. DEBUG) try: topic Kafka Producer in . One way to secure communication in Kafka is by using SSL (Secure Sockets Layer) for encryption and authentication. Otherwise, you will need to refer to Traefik ingress docs on what matching annotations it will use for SSL passthrough. certificatesSecret=kafka-certificates --set au Bug Report Describe the bug Despite telling fluent bit to use ssl, I am getting a complaint: "SSL handshake failed: Disconnected: connecting to a PLAINTEXT broker listener?" To Reproduce I am setting up kafka using this example: auth. let me restart it. Solution Verified - Updated 2024-09-24T22:07:51+00:00 - English . 16. Net console app and I ran into a bunch of issues. Check for a correct IP address and port combination passed in command bin/kafka-consumer-groups. sslauthenticationexception: ssl handshake failed` error occurs when Kafka fails to establish a secure connection with another Kafka broker or client. Ask Question Asked 1 year, 10 months ago. html to Pre-requisite: Novice skills on Apache Kafka, Kafka producers and consumers. properties i. While this might be a continuation of my own adventure here: #6111 (6111) - I didn't want to pollute that discussion with something new. 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 INFO [SocketServer brokerId=0] Failed authentication with /kafka client's ip (SSL handshake failed) (org. I have a kafka cluster on docker using confluent images. Unexpected Kafka request of type METADATA during SASL handshake. For more proofs, as mentioned above you can edit the kafka-run-class. – user207421. Hot Network Questions How do you argue against animal cruelty if animals aren't moral agents? What is the meaning behind the names of the Barbapapa characters "Barbibul", "Barbouille" and "Barbotine"? Kafka SSL handshake failed in custom Java producer. converter. Modified 1 year, 3 months ago. For some reason, I need to add key-store details in the client SpringBoot application. 0 - org. I am testing the sample code of Spring Kafka. 0 to CP5. 4 Kafka Connect failing to read from Kafka topics over SSL. Kafka: SSL handshake failed: Disconnected: connecting to a PLAINTEXT broker listener while using Vector as a Collector. It worked as wanted. I can send messages and there are no problems. registry. Appian Community. Kafka + SSL: General SSLEngine problem for configuration A client SSLEngine created with the provided settings. Spring Boot App connection to Kafka with We have also run some tests against a Kafka cluster in Confluent cloud, and while we still get the same SSL handshake error, the Kafka client appears to recover more reliably, usually in 10-45 seconds. I’m using the CLI and this is the version of my client (. 509 certificate for client authentication, but there is one in my keystore. Generated self signed cert and key (output: ca. Community; Training; Partners; Support; Cloudera Community. [2020-10-16 10:48:11,799] INFO [SocketServer brokerId=2] Failed authentication with /127. The default value of enable. Hello, I'm trying to Setup AKHQ with TLS connection to MSK but it's not working. jksPassword = test1234 zookeeper. This article shows you how to set up Transport Layer Security (TLS) encryption, previously known as Secure Sockets Layer (SSL) encryption, between Apache Kafka clients and Apache Kafka brokers. 2 99. enabled=true --set auth. e. I'm testing kafka cluster creation using let's encrypt staging certs. djo crcwmq vyhbre mfmxoi mmjyve pvxamuo nplmzv vgbxj txcv xnxuobm