[stunnel-users] Access to Packet Content

Michael Carlino (RIT Student) mac9951 at rit.edu
Wed Mar 26 15:57:24 CET 2014

Thanks Jochen,
Your interpretation is spot on.

I cannot disagree with anything you said.  I do get the option to keep
things as simple as possible, but all you said is a concern for me.


On Wed, Mar 26, 2014 at 10:41 AM, Jochen Bern <Jochen.Bern at linworks.de>wrote:

> On 26.03.2014 13:55, Michael Carlino (RIT Student) wrote:
> > Yes, there is a reason.  stunnel *contains* the data I want to
> communicate
> > from client stunnel to server stunnel, within an HTTP request.
> Hm. I shall interpret that as "the data is about the SSL connection
> itself (session key material?), and is not only unavailable outside
> stunnel (short of hacking a new API into that), but may not even *exist*
> until the moment stunnel starts pushing the altered HTTP request onto
> the wire".
> > I sense a real appreciation out there for how well stunnel does it's job,
> > and within that a warning not to disturb it.
> Not quite *my* drift at least. I was thinking about how much time you'll
> have to spend to get such a thing to *work* in the first place, what
> with no payload protocol parsing present+tested in stunnel, the
> possibilities of cached SSL sessions and/or connections muddying the
> recognition of single HTTP requests, yadda yadda, as opposed to using a
> FOSS which already deals with most of the protocol issues for a starting
> point.
> (For the records, I joined the list when I had a need to make a
> newly-developed non-SSL-aware HTTP client production platform ready
> mucho pronto, but have deployed socat more often since then, due to its
> capabilities to address Unix sockets etc. etc. as well. But I'm afraid
> that socat'ld be a *worse* basis for *your* project, since there's more
> "distance", in the software modularization sense, between its
> interconnect-management and SSL parts than in stunnel.)
> Regards,
>                                                                 J. Bern
> --
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