Hi All,
I am having some issues running STunnel in Windows Service Mode.
I am running on Windows Server 2003, Service Pack 1.
stunnel 4.33
1. I was able to successfully install it as a service, as follows: Start > Programs > stunnel > Service Install 2. Stunnel Shows up as a Service in Windows Service 3. But when I try to start it either from the Windows Service area or the: Start > Programs > stunnel > Service start I get the following error, in a dialog box with an OK button:
stunnel 4.33 on win32 (stunnel)
StartService: error 1053: The service did not respond to the start or control request in a timely fashion.
1. I am able to actually Run stunnel, as: Start > Programs > stunnel > Run stunnel and do my SMPP work successfully! But of course, as soon as I log off the server, stunnel stops and my SMPP session is not encrypted and my Bind ends. So I really need the Windows Service mode to run urgently. I would really appreciate some help on what is going wrong, so that I can get run Stunnel in the Service mode
The stunnel.conf file is as follows: =================== cert = carrier.cer key = carrier.key
; Some performance tunings socket = l:TCP_NODELAY=1 socket = r:TCP_NODELAY=1
; Some debugging stuff useful for troubleshooting debug = 7 output = stunnel.log
; Service-level configuration
; IS ADDING SMPP AS SIMPLE AS ADDING IT HERE??? [ssmpp]
accept = 127.0.0.1:3005 connect = REMOTE_IP:9000
; Use it for client mode client = yes options = all
;often useful : sslVersion=all ;-----------
; vim:ft=dosini
================================= Regards, Apurva
________________________________ From: Pierre DELAAGE [mailto:delaage.pierre@free.fr] Sent: Saturday, September 11, 2010 3:25 PM To: Pathak, Apurva (Apu) Cc: stunnel-users@mirt.net Subject: Re: [stunnel-users] SMPP Protocol and STunnel Hello, Provided that you are using SMPP over TCP/IP (not over X25), yes you could use stunnel. Next you have to know what port(s) are involved at the server side (ie the "listening" socket(s)): apparently there are two flavors of smpp over tcp: one using two network connections, the other using only one ("tranceiver session").
Things will be more simple if you are using only one connection. If you are using two connections, and provided that ssl is required on both, just duplicate [smpp] section below as [smpp1] and [smpp2], of course changing the "accept" and "connect" ports.
Then you have to get a valid CLIENT certificate (crt file) and key file.
Stunnel.conf can then look like this : ;------ ; stunnel CLIENT conf
[smpps] client = yes
accept=127.0.0.1:CHOOSE A LOCAL LISTENING PORT ON THE CLIENT connect=SERVER_IP_ADDR:SERVER_LISTENING_PORT
cert=\localLocation\userXXXcert.crt key =\localLocation\userXXXcert.key
;often useful : sslVersion=all ;-----------
And of course you have to redirect your smpp client software to the "pseudo smpp over ssl" local server(s) on localhost, (cf "local listening port" above).
Hope this may help, Pierre Delaage
Le 10/09/2010 19:51, Pathak, Apurva (Apu) a écrit : Hello,
I would like to find out if I can use STunnel as follows:
I have a stand alone C# executable program that uses a third party SDK that implements SMPP protocol and sends SMS text messages with wireless carriers. Recently, one of the wireless carriers wants us to implement SSL Client Authentication and wants SMPP messages that are exchanged with them to be encrypted after the client authentication is done.
I want to find out if I can use STunnel running so that STunnel can encrypt and decrypt the messages exchanged between my program and the carrier's SMS server.
(1) Is this possible with STunnel? (2) What are the steps involved?
I am on the Windows Server 2003 platform.
I would really appreciate a reply.
Thanks, Apu
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