Most likely, this is due to the fact that stunnel 5.36 was shipped with a buggy openssl version. stunnel 5.36 was released on Sep 22 win openssl 1.0.2i, and the same day released 1.0.2j fixing important securiity issues, including bugs creating stability issues under load. The acid test is too run against the new openssl 1.0.2j DLLs. If you wish, I can e-mail you my binaries in separate mail.

best regards,

Jose

From: Lakshmi Narayana Lanka <narayana.lanka@gmail.com>
To: Jose Alf. <josealf@rocketmail.com>
Cc: "stunnel-users@stunnel.org" <stunnel-users@stunnel.org>
Sent: Thursday, November 3, 2016 11:42 AM
Subject: Re: [stunnel-users] Bulk Requests - Stunnel throwing exceptions

Thank you Jose.

We see this happening with the newer version of the Stunnel. When we were using Stunnel 4.15 we never had this issue.

Is there anyway we roll back to Stunnel 4.15 with the newer OpenSSL?

Is there anything that we compromise if we roll back to the older version and not have the newer OpenSSL?

On Thu, Nov 3, 2016 at 11:15 AM, Jose Alf. <josealf@rocketmail.com> wrote:

Lakshmi,

Most likely, that should not happen. Can you please provide more information to document the issue? Error messsages, sanitized logs, etc?
Regards,
Jose

From: Lakshmi Narayana Lanka <narayana.lanka@gmail.com>
To: stunnel-users@stunnel.org
Sent: Thursday, November 3, 2016 8:50 AM
Subject: [stunnel-users] Bulk Requests - Stunnel throwing exceptions

Hello,

I'm using Stunnel infront of a TCP/IP connection. When we receive bulk requests simultaneously it starts throwing exceptions. Is it something by design with Stunnel?

--
Thanks & Regards,
Lakshmi N Lanka

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Thanks & Regards,
Lakshmi N Lanka