Verifying server certificate failed?!

[Sven Geggus]

Hello,

calling https://iad.iosb.fraunhofer.de/~geg/ using a Webbrowser gives me a
valid TLS connection.

So does "gnutls-cli iad.iosb.fraunhofer.de -p 443"

But calling the following dows not work:
gnutls-cli iad.iosb.fraunhofer.de -p 443 --x509cafile 
/etc/ssl/certs/ca-certificates.crt
Processed 142 CA certificate(s).
Resolving 'iad.iosb.fraunhofer.de'...
Connecting to '153.96.8.17:443'...
*** Verifying server certificate failed...
*** Fatal error: Error in the certificate.
*** Handshake has failed
GnuTLS error: Error in the certificate.

Is this a Bug in gnutls or a missconfiguration of my Apache Server?

Sven

-- 
The source code is not comprehensible
                 (found in bug section of man 8 telnetd on Redhat Linux)

/me is address@hidden, http://sven.gegg.us/ on the Web