[stunnel-users] [EXTERNAL] Re: Stunnel connection issue?

Flo Rance trourance at gmail.com
Mon Jul 9 12:45:35 CEST 2018

You have "options" or "*sslVersion*" to instruct stunnel to use a specific
TLS version.


On Mon, Jul 9, 2018 at 12:25 PM, Spies, Will <Will_Spies at comcast.com> wrote:

> So,  part of this appeared to be I needed a signed cert from a CA.
> However,  I still have problems.
> Alexa apparently requires 'Interleaved TCP on port 443 (for both RTP and
> RTSP). TCP socket encryption on port 443 using TLS 1.2'
> How do I force Stunnel to only adhere to above?  I get the 443 part of
> course.  I am seeing it try SSLv3 in the log and I imagine this is wrong.
> -----Original Message-----
> From: Peter Pentchev [mailto:roam at ringlet.net]
> Sent: Thursday, July 05, 2018 8:47 AM
> To: Spies, Will <Will_Spies at cable.comcast.com>
> Cc: stunnel-users at stunnel.org
> Subject: Re: [EXTERNAL] Re: [stunnel-users] Stunnel connection issue?
> On Thu, Jul 05, 2018 at 11:41:18AM +0000, Spies, Will wrote:
> > Thanks for the quick response. The client is an Echo Show device and
> > there is no log. It is an RTSP connection and my backend (behind
> > Stunnel) is Live555ProxyServer.  I read somewhere there is some bug
> > related to MSIE that closed the connection like this and the fix is to
> > use TIMEOUTclose=0 which I did but this did not help. This is the
> > earlier (startup) portion of my log:
> Hi,
> Unfortunately, without more information about what the client doesn't like
> about the established connection, I don't think there is anything more I
> can help you with :(  You *might* try playing with stunnel's cipher
> settings (OpenSSL options), on the off chance that the client is somewhat
> confused and offers for negotiation a cipher or something that it later
> realizes it cannot support... but that would be really weird.
> G'luck,
> Peter
> --
> Peter Pentchev  roam@{ringlet.net,debian.org,FreeBSD.org} pp at storpool.com
> PGP key:        http://people.FreeBSD.org/~roam/roam.key.asc
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