Re: mTLS client hostname validation is not working

2022-09-16 Thread Richard Bosch
You're very welcome, and good luck with your installation. Kind regards, Richard Bosch On Fri, 16 Sep 2022, 17:56 James Ziesig, wrote: > Hi Richard, > > Thank you for the response. That does clear things up for me. I thought > it would be good to avoid MITM attacks by validating SAN, if CN

Re: mTLS client hostname validation is not working

2022-09-16 Thread James Ziesig
Hi Richard, Thank you for the response. That does clear things up for me. I thought it would be good to avoid MITM attacks by validating SAN, if CN is a service identifier, without the need for ACLs. However, I do appreciate the added flexibility provided by the ACLs, and the lack of client

Re: mTLS client hostname validation is not working

2022-09-16 Thread Richard Bosch
Hi Jim, The broker setting for endpoint identification is used when a broker connects to another broker. For client connection the handshake is performed by verifying that the certificate presented by the client is signed by a CA that's in the truststore, and that it hasn't expired yet. If you

mTLS client hostname validation is not working

2022-09-15 Thread James Ziesig
Hi, I have configured mTLS on a three server Kafka cluster. The servers and clients are all communicating properly, except I am having trouble with client hostname validation when the client is using a cert from a different host. I would expect this to fail on handshake like it does when the