[stunnel-users] Getting Stunnel to Work Under Windows 7 64-bit
Michal.Trojnara at mirt.net
Thu May 3 13:56:29 CEST 2012
Thomas Eifert wrote:
> For the benefit of the group, I thought I'd share some experiences I
> had when attempting to get
> Stunnel to run under Windows 7 SP1 64-bit.
Thank you for your feedback. The sad truth is that Windows version of
stunnel is mostly tested under Windows XP. Maybe some day I will have
more time (or a sponsor) to configure a Windows 7 testing platform and
fix the issues you reported...
> 1. The Stunnel status window displayed only configuration loads.
> No output from any
> active connection was ever displayed, despite the fact that
> Stunnel was passing
> traffic to/from SSL-enabled servers.
I guess you might have more than one stunnel server started.
> 2. Stunnel would not write to the log file. The error message
> indicated that Stunnel was
> unable to open stunnel.log. Initially, I thought this might be
> a factor in the lack of
> status window connection output, so I commented the log
> statement out to eliminate it.
> I then reloaded the configuration. The issue of not seeing any
> connection info
> was unaffected.
It's likely the same problem. Default file operation semantics on
Windows is to disallow more than one process opening the same file.
> 3. The notification area icon would not appear on Stunnel service
> load. It would mysteriously
> appear, then disappear, at seemingly random times.
Windows service should not display taskbar icon to prevent local
privilege escalation http://en.wikipedia.org/wiki/Shatter_attack
To solve it would require major reengineering of Windows GUI http://www.stunnel.org/?page=sdf_todo
> 4. Once the service was installed, it was not possible to stop it
> or uninstall it from the
> provided start menu shortcuts. Whenever I attempted to do so,
> the Stunnel status
> window would appear. However, I was able to perform these
> actions successfully by
> opening a command prompt, then issuing the commands from there.
This definitely needs more testing...
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