[stunnel-users] Hangs when connecting -- advice pls

Małgorzata Olszówka gosia at olszowka.net
Thu Sep 22 12:40:17 CEST 2016

 > 2016.09.20 09:21:35 LOG5[ui]: stunnel 5.35 on 
x86_64-apple-darwin15.4.0 platform
 > 2016.09.20 09:21:35 LOG5[ui]: Compiled with OpenSSL 0.9.8zd 8 Jan 2015
 > 2016.09.20 09:21:35 LOG5[ui]: Running  with OpenSSL 0.9.8zh 14 Jan 2016

> If I use that verbatim I get the error:
> 2016.09.21 06:46:46 LOG3[ui]: SSL_connect: 140740BF: error:140740BF:SSL
> routines:SSL23_CLIENT_HELLO:no protocols available
> In fact it seems like the only security protocol available to me
> is TLSv1, as the presence of the NO_SSLv2 and NO_SSLv3 options have no
> effect (which makes sense: I understand that Stunnel doesn’t use SSL v2
> or v3 these days).  I don’t know if this indicates something untoward..

TLS 1.1 and 1.2 are supported by OpenSSL version > 0.9.8
With OpenSSL 0.9.x can be negotiated only TLSv1, so you can’t set option 
NO_TLSv1, you're right.
Given that your  version of OpenSSL is obsolete, it’s best that you 
upgrade to the latest version.


Ta wiadomość została sprawdzona na obecność wirusów przez oprogramowanie antywirusowe Avast.

More information about the stunnel-users mailing list