On 12/08/2010 09:32 PM, Alona Rossen wrote:
>
>
> On 3 December 2010 23:18, Alona Rossen<arossen_at_opentext.com> wrote:
>> We use openssl with libcurl to programmatically access, upload to and
>> download from various URL's using https, ftps, and smtps protocols. We can
>> successfully perform our tasks on UNIX/Linux and Windows boxes, including
>> Solaris on SPARC and Intel, Linux, etc. However, we consistently receive the
>> following type of error message when we attempt to access SSL URL from our
>> AIX5.3 and AIX6.1 boxes:
>>
>> INFO_TEXT:
>> SSLv3, TLS handshake, Client hello (1):
>>
>> INFO_TEXT:
>> Unknown SSL protocol error in connection to smtp.gmail.com:587
>>
>> We use OpenSSL 0.9.8e and 0.9.8p. We use libcurl 7.21.0.
>> We have verified that correct installation of OpenSSL is being used.
since this error seems to happen very early in the connection,
a tcpdump would be helpful to see what is actually send.

Or: use an openssl s_server -debug -msg -tlsextdebug -nocert
and connect to it.

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Received on 2010-12-08