StartTLS log issues

[Ken Murchison]

This means that the client didn't present a valid TLS certificate to be 
used for authentication during the TLS exchange.  I'm guessing very few 
clients are configured for TLS auth, so what you're seeing is normal and 
nothing to be concerned about.



On 05/19/2016 02:05 AM, Johannes Eckhardt via Info-cyrus wrote:
> Hi,
>
> I'm using cyrus-imap version 2.4.17. StartTLS is configured and 
> working but I often see the following messages in my logfiles:
>
> starttls: TLSv1.2 with cipher AES128-SHA256 (128/128 bits new) no 
> authentication
> starttls: TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits 
> new) no authentication
>
> Can anyboy tell me what that means? Am I missing something in my 
> configuration?
>
> Best,
>
> Johannes
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-- 
Kenneth Murchison
Principal Systems Software Engineer
Carnegie Mellon University