You should be able to configure haproxy in TCP mode and have it appear transparent, without the clients complaining. You won't be able to do anything on the http level, of course, but passing encrypted streams back and forth is a completely valid use case. Just keep anything TLS out of the haproxy config for these front ends and backends. :-)
> On 18 Feb 2017, at 01:27, Sam Crowell <crowes...@gmail.com> wrote: > > I guess it’s probably the same answer, it’s working as intended and even with > passthrough the load balancer certificate does not match the backend server > so it still throws the warning which makes sense. >> On February 17, 2017 at 7:20:14 PM, Sam Crowell (crowes...@gmail.com) wrote: >> >> Thanks for the response Daniel. What is the best way to handle SSL traffic >> through a load balancer to maintain original client certificates? Just use >> mode TCP and passthrough? Is there a way to do that without turning off >> hostname verifier at the client level? >> >> Thanks, >> Sam >> >>> On February 17, 2017 at 7:13:23 PM, Daniel Schneller >>> (daniel.schnel...@centerdevice.com) wrote: >>> >>> Sam, >>> >>> This not working the way you would like is the corner stone and one of the >>> key features of TLS. It is designed to ensure there is nothing in the >>> middle between the client and the server. If you need to inspect the >>> traffic, by definition you cannot without the clients trusting your >>> certificate (or its issuing authority as a whole). >>> To be precise, you can't pose as the real server, because for that you >>> would not need the public certificate of the server (which you can easily >>> get), but its private key. By definition, you won't be able to get a hold >>> of it, as the real server alone has it. >>> >>> All inspecting TLS proxies communicate with their own private >>> key/certificate pair with the client. There is no way around that. >>> >>> Regards, >>> Daniel >>> >>> >>> > On 18 Feb 2017, at 00:47, Sam Crowell <crowes...@gmail.com> wrote: >>> > >>> > Is there a way to do SSL termination at the load balancer, but then send >>> > the original certificate to the backend server? I have seen plenty of >>> > notes and configs for SSL passthrough and SSL termination with >>> > re-encryption by the load balancer certificate. >>> > >>> > Even with passthrough, I still have to disable hostname verifier because >>> > the backend server doesn't match the load balancer certificate. >>> > >>> > I know there has to be a way to do this, I just can't find it in the >>> > documentation or on the internet. >>> > >>> > Thanks for the help and keep up the great work. >>> > >>> > Thanks, >>> > Paul >>> >
