Re: More success with TLS; problem with STARTTLS

From: (no name) (no email)
Date: Mon Apr 02 2007 - 03:53:57 EDT

  • Next message: JOYDEEP: "cyrus+spamassassin howto ?"

    Hello Joydeep

    Selon JOYDEEP <>:

    > Dear all,
    >
    > here is some more success story.
    >
    > 1> using LOGIN
    >
    > imtest -a aftab -m LOGIN linux.kolkatainfoservices.in -p 993 -s
    >
    >
    > --------------------------------------------------------------
    > verify error:num=19:self signed certificate in certificate chain
    > verify error:num=24:invalid CA certificate
    > verify error:num=26:unsupported certificate purpose
    > TLS connection established: TLSv1 with cipher AES256-SHA (256/256 bits)
    > S: * OK linux.kolkatainfoservices.in Cyrus IMAP4 v2.2.12 server ready
    > C: C01 CAPABILITY
    > S: * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ MAILBOX-REFERRALS
    > NAMESPACE UIDPLUS ID NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND
    > BINARY SORT THREAD=ORDEREDSUBJECT THREAD=REFERENCES ANNOTATEMORE IDLE
    > AUTH=LOGIN AUTH=PLAIN SASL-IR X-NETSCAPE
    > S: C01 OK Completed
    > Please enter your password:
    >
    > C: L01 LOGIN aftab {5}
    > S: + go ahead
    > C: <omitted>
    > S: L01 OK User logged in
    > Authenticated.
    > Security strength factor: 256
    >
    ----------------------------------------------------------------------------------------
    >
    > 2> Using PLAIN
    >
    > imtest -a aftab -m PLAIN linux.kolkatainfoservices.in -p 993 -s
    >
    > ------------------------------------------
    > verify error:num=19:self signed certificate in certificate chain
    > verify error:num=24:invalid CA certificate
    > verify error:num=26:unsupported certificate purpose
    > TLS connection established: TLSv1 with cipher AES256-SHA (256/256 bits)
    > S: * OK linux.kolkatainfoservices.in Cyrus IMAP4 v2.2.12 server ready
    > C: C01 CAPABILITY
    > S: * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ MAILBOX-REFERRALS
    > NAMESPACE UIDPLUS ID NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND
    > BINARY SORT THREAD=ORDEREDSUBJECT THREAD=REFERENCES ANNOTATEMORE IDLE
    > AUTH=LOGIN AUTH=PLAIN SASL-IR X-NETSCAPE
    > S: C01 OK Completed
    > Please enter your password:
    >
    > C: A01 AUTHENTICATE PLAIN AGFmdGFiAGFmdGFi
    > 'S: A01 OK Success (tls protection)
    > Authenticated.
    > Security strength factor: 256
    > ---------------------------------------------------------------------
    >
    > 3> but the problem is using STARTTLS
    >
    > ---------------------------------------
    > verify error:num=19:self signed certificate in certificate chain
    > verify error:num=24:invalid CA certificate
    > verify error:num=26:unsupported certificate purpose
    > TLS connection established: TLSv1 with cipher AES256-SHA (256/256 bits)
    > S: * OK linux.kolkatainfoservices.in Cyrus IMAP4 v2.2.12 server ready
    > C: C01 CAPABILITY
    > S: * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ MAILBOX-REFERRALS
    > NAMESPACE UIDPLUS ID NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND
    > BINARY SORT THREAD=ORDEREDSUBJECT THREAD=REFERENCES ANNOTATEMORE IDLE
    > AUTH=LOGIN AUTH=PLAIN SASL-IR X-NETSCAPE
    > S: C01 OK Completed
    > failure: STARTTLS not supported by the server!
    > ------------------------------------------------------------------
    >
    >

    You should not issue a STARTTLS over a SSL session. Your connection is already
    crypted.
    BTW the server does not offers STARTTLS in its capabilities.

    So ... your config is OK (according to me) ! ;-)

    Arnaud

    >
    >
    >
    > ----
    > Cyrus Home Page: http://cyrusimap.web.cmu.edu/
    > Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki
    > List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
    >

    ----
    Cyrus Home Page: http://cyrusimap.web.cmu.edu/
    Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki
    List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
    

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