[Dovecot] Thunderbird STARTTLS error

Markus Fritz markus at opsys.de
Wed May 9 16:05:20 EEST 2012


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Am 09.05.2012 14:32, schrieb Ken Stevenson:
>>
>> I got only this keys. Can you explain me what exactly you mean with
>> adding chains?
>> And I wonder why this error only occurs in Thunderbird, not in openssl.
>>
>
> Never mind, I don't think my first guess was correct. I wonder if it
has to do with the error 27 reported in the verify by openssl. According
to the manual, an error 27 means:
>
> "the root CA is not marked as trusted for the specified purpose."
>
> It looks like the certificate is valid cryptographically, but that it
wasn't certified for how you're using it.
>
> If I run:
>
> openssl x509 -in ssl.crt -noout -text
>
> The output includes the following:
>
> X509v3 Extended Key Usage:
> TLS Web Server Authentication, TLS Web Client Authentication
> X509v3 Key Usage: critical
> Digital Signature, Key Encipherment
>
> Does yours look different?

Mine looks like this:

 X509v3 Basic Constraints:
                CA:FALSE
            X509v3 Key Usage:
                Digital Signature, Key Encipherment, Key Agreement
            X509v3 Extended Key Usage:
                TLS Web Server Authentication


- -- 
Markus Fritz
Administration

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