[stunnel-users] Getting Stunnel to Work Under Windows 7 64-bit
kxkvi at wi.rr.com
Sun Apr 29 00:06:53 CEST 2012
In my previous post, I neglected to include a relevant snippet from my
Here it is:
debug = 6
fips = no
delay = yes
output = stunnel.log
client = yes
options = NO_SSLv2
sslVersion = TLSv1
ciphers = DHE-RSA-AES256-SHA:DHE-DSS-AES256-SHA:AES256-SHA
cafile = peer-nntps.1.pem
verify = 4
accept = 127.0.0.1:119
connect = xxx.xxx.xxx.xxx:563
On 4/28/2012 4:38 PM, 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.
> I initially installed Stunnel version 4.53 to the default location,
> which in Windows 7 64-bit is:
> C:\Program Files (x86)\stunnel\
> I installed the service from the start menu option, then rebooted my
> I have administrator rights, and User Account Control is disabled. My
> included the following:
> 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.
> 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.
> 3. The notification area icon would not appear on Stunnel service
> load. It would mysteriously
> appear, then disappear, at seemingly random times.
> 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.
> In an effort to unravel these issues, I tried the following workarounds:
> 1. I re-installed stunnel to a non-system controlled directory. In
> my case, it was C:\Apps\stunnel\.
> 2. I attempted to run stunnel in compatibility mode, set for Windows
> XP SP3.
> 3. I tried installing 2 previous versions of Stunnel.
> All combinations produced exactly the same undesired result.
> Finally, I stopped and uninstalled the service. Instead of using that
> method, I created a
> shortcut to stunnel.exe, and placed it in the start menu's startup
> folder, then rebooted.
> Stunnel started at boot time, and all of the above issues were resolved.
> As such, it seems like Stunnel just doesn't like to be run as a
> service on a Windows 7 64-bit
> machine; at least not on the one I own.
> If you're encountering any stability issues with the Stunnel service
> in the Windows 7 64-bit
> environment, try my method. It works.
> I'd like to extend a special thank you to Carter Browne, who provided
> valuable input throughout
> the course of my testing.
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