dovecot - Jun 2010 - Logout after SSL/TLS negociation

Hi All,

I've set up Dovecot to use my signed SSL certificate and IMAP client is
using STARTTLS on port 143 without secure authentication. 

The TLS negociation process seems to go through ok but once the negociation
is finished the client sends an IMAP LOGOUT message; he does not try to
authenticate, below is the Dovecot's info log:

dovecot: 2010-06-15 15:37:01 Info: auth(default): new auth connection:
pid=3932
dovecot: 2010-06-15 15:37:03 Info: imap-login: Aborted login (0
authentication attempts): rip=130.100.32.54, lip=10.0.3.3, TLS

I've decrypted the TLS negociation thanks to Wireshark (in SSL preferences I
added the certificate's private key to decode the stream between client and
server) but unfortunately it does not say why the client is sending the
LOGOUT command.

Do you have an idea of what could be wrong in my server set up? What
debugging process would you advise me to follow?

Thanks a lot for your precious help.

Bastien
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On Wed, Jun 16, 2010 at 05:22, bmfr <bastien.murzeau at
palomanetworks.com> wrote:
> I've set up Dovecot to use my signed SSL certificate and IMAP client is
> using STARTTLS on port 143 without secure authentication.
>
> The TLS negociation process seems to go through ok but once the negociation
> is finished the client sends an IMAP LOGOUT message; he does not try to
> authenticate, below is the Dovecot's info log:
>
> dovecot: 2010-06-15 15:37:01 Info: auth(default): new auth connection:
> pid=3932
> dovecot: 2010-06-15 15:37:03 Info: imap-login: Aborted login (0
> authentication attempts): rip=130.100.32.54, lip=10.0.3.3, TLS
>
> I've decrypted the TLS negociation thanks to Wireshark (in SSL
preferences I
> added the certificate's private key to decode the stream between client
and
> server) but unfortunately it does not say why the client is sending the
> LOGOUT command.
>
> Do you have an idea of what could be wrong in my server set up? What
> debugging process would you advise me to follow?
What client are you using?  Have you tried other clients to see if
they do the same LOGOUT?