[stunnel-users] Réf. : Re: Réf. : Re: Réf. : Re: need help error :SSL3_GET_RECORD:wrong versionnumber with cipher DES-CBC-SHA

Jose Alf. josealf at rocketmail.com
Wed May 4 15:09:26 CEST 2011


Laurent,

We need to present a client certificate to the server. That's the important part 
missing. Do that by adding  -cert your_cert_filename to the command, like:

openssl s_client -ssl3 -state -cert your_client_cert_filename -connect 
your-stunnel-ip:10443 


See http://www.openssl.org/docs/apps/s_client.html

Regards,
Jose




________________________________
From: "laurent.uk at bnpparibas.com" <laurent.uk at bnpparibas.com>
To: josealf at rocketmail.com
Cc: stunnel-users at stunnel.org; stunnel-users-bounces at stunnel.org
Sent: Wed, May 4, 2011 6:55:19 AM
Subject: Réf. : Re: Réf. : Re: Réf. : Re: [stunnel-users] need help error 
:SSL3_GET_RECORD:wrong versionnumber with cipher DES-CBC-SHA


Jose, thanks you for your response, i use the openssl s_client command but i 
have the following error : 


1499296:error:25066067:DSO support routines:DLFCN_LOAD:could not load the shared 
library:dso_dlfcn.c:162:filename(libz.so): Could not load module . 

System error: No such file or directory 
1499296:error:25070067:DSO support routines:DSO_load:could not load the shared 
library:dso_lib.c:244: 

CONNECTED(00000003) 
SSL_connect:before/connect initialization 
SSL_connect:SSLv3 write client hello A 
SSL_connect:SSLv3 read server hello A 
depth=0 /C=FR/ST=PARIS/L=PARIS/O=BNP 
PARIBAS/OU=RBIS_PMF202/CN=psp-exp.bnpparibas.com 

verify error:num=20:unable to get local issuer certificate 
verify return:1 
depth=0 /C=FR/ST=PARIS/L=PARIS/O=BNP 
PARIBAS/OU=RBIS_PMF202/CN=psp-exp.bnpparibas.com 

verify error:num=27:certificate not trusted 
verify return:1 
depth=0 /C=FR/ST=PARIS/L=PARIS/O=BNP 
PARIBAS/OU=RBIS_PMF202/CN=psp-exp.bnpparibas.com 

verify error:num=21:unable to verify the first certificate 
verify return:1 
SSL_connect:SSLv3 read server certificate A 
SSL_connect:SSLv3 read server certificate request A 
SSL_connect:SSLv3 read server done A 
SSL3 alert write:warning:no certificate 
SSL_connect:SSLv3 write client certificate A 
SSL_connect:SSLv3 write client key exchange A 
SSL_connect:SSLv3 write change cipher spec A 
SSL_connect:SSLv3 write finished A 
SSL_connect:SSLv3 flush data 
SSL3 alert read:fatal:handshake failure 
SSL_connect:failed in SSLv3 read finished A 
1499296:error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake 
failure:s3_pkt.c:1060:SSL alert number 40 

1499296:error:1409E0E5:SSL routines:SSL3_WRITE_BYTES:ssl handshake 
failure:s3_pkt.c:530: 


is it normal? 

Thanks. 

Regards.

Laurent UK





Internet   
josealf at rocketmail.com 
04/05/2011 13:38  Pour Laurent UK  
cc stunnel-users at stunnel.org, stunnel-users-bounces at stunnel.org  
Objet Re: Réf. :  Re: Réf. :  Re: [stunnel-users] need help error 
:SSL3_GET_RECORD:wrong versionnumber with cipher DES-CBC-SHA 

  
 


Laurent, 
  
Ideally, you should terminate the SSL connection on your final server. But 
that's not the problem here. It should work as is. 

Mosty likely the problem is on the client SSL software you are using to connect 
to stunnel. The cipher you are trying to use DESC-CBC-SHA works with SSLv3 and 
TLSv1. Can you force your client to use those protocols? Maybe it is trying to 
negotiate SSLv2. Also are you sure it is speaking SSL instead of plain text? 

  
You can test your connection to stunnel server with openssl s_client command. 
Example 

  
openssl s_client -ssl3 -state -connect your-stunnel-ip:10443 
openssl s_client -tls1 -state -connect your-stunnel-ip:10443 
  
if this works, we found the culprit. 
  
Regards 
  
Jose 
________________________________
From: "laurent.uk at bnpparibas.com" <laurent.uk at bnpparibas.com>
To: josealf at rocketmail.com
Cc: stunnel-users at stunnel.org; stunnel-users-bounces at stunnel.org
Sent: Wed, May 4, 2011 2:05:07 AM
Subject: Réf. : Re: Réf. : Re: [stunnel-users] need help error 
:SSL3_GET_RECORD:wrong versionnumber with cipher DES-CBC-SHA


Jose,

I use 2 servers in my configuration:

the first one who listenning on the port 10443 (where we receive encrypted 
traffic from software using ssl)

and the second one who listenning the port 10016 (where we receive decrypted 
traffic).

The first one receive the encrypted traffic, it decrypted it and send it to the 
second server that's why i only use the server mode on my fist server.

Do you think that i also need to change this configuration?

Cordialement,

Laurent UK




Internet  
josealf at rocketmail.com
03/05/2011 19:18 

Pour Laurent UK 
cc stunnel-users at stunnel.org, stunnel-users-bounces at stunnel.org 
Objet Re: Réf. :  Re: [stunnel-users] need help error :SSL3_GET_RECORD:wrong 
versionnumber with cipher DES-CBC-SHA 


  
 



Laurent, 
 
I'm not sure you are connecting the dots right. 
 
I see an stunnel server configuration. In this case, your stunnel is a front-end 
to a service you run on host XXXX port 10016. What is that service? Is stunnel 
running on the same host? Note that If stunnel is not running on the same host 
with IP XXXX, then you may have some traffic in clear text in your network (from 
the device running stunnel to the device hosting the service on port 10016). 

 
You need a client to connect to the stunnel server. Unless your client support 
SSL natively, you also should have an stunnel running on your client device with 
entries like these: 

 
client=yes 
[pestip] 
accept = 10443
connect = Your-Stunnel-server-IP:10443
 
In this case your client apps connects locally to port 10443, traffic is 
encrypted and sent to your server listening on port 10443, where it is decripted 
and send to IP XXXX port 10016. 

 

Regards, 
 
Jose 
 


________________________________
From: "laurent.uk at bnpparibas.com" <laurent.uk at bnpparibas.com>
To: josealf at rocketmail.com
Cc: stunnel-users at stunnel.org; stunnel-users-bounces at stunnel.org
Sent: Tue, May 3, 2011 10:48:11 AM
Subject: Réf. : Re: [stunnel-users] need help error :SSL3_GET_RECORD:wrong 
versionnumber with cipher DES-CBC-SHA


Dear Jose,

here is the configuration file of my stunnel :
; Sample stunnel configuration file by Michal Trojnara 2002-2006
; Some options used here may not be adequate for your particular configuration
; Please make sure you understand them (especially the effect of chroot jail)

; Certificate/key is needed in server mode and optional in client mode
cert = /opt/freeware/etc/stunnel/ca_nopass.pem
foreground = yes
syslog = yes
; Protocol version (all, SSLv2, SSLv3, TLSv1)
;sslVersion = SSLv2
sslVersion = all
;ciphers = DES-CBC-SHA
;ciphers = DES-CBC3-SHA:IDEA-CBC-MD5
; Some security enhancements for UNIX systems - comment them out on Win32
;chroot = /usr/local/stunnel/var/lib/stunnel
;chroot = /tmp/
;setuid = root
;setgid = other
; PID is created inside chroot jail
pid = /var/adm/stunnel_server_level1.pid

; Some performance tunings
socket = l:TCP_NODELAY=1
socket = r:TCP_NODELAY=1
;compression = rle

; Workaround for Eudora bug
;options = DONT_INSERT_EMPTY_FRAGMENTS
;options = Options_SSL
; Authentication stuff
verify = 3
; Don't forget to c_rehash CApath
; CApath is located inside chroot jail
CApath = /opt/freeware/etc/stunnel/CA_files/
; It's often easier to use CAfile
;CAfile = /opt/freeware/etc/stunnel/ca.pem
; Don't forget to c_rehash CRLpath
; CRLpath is located inside chroot jail
;CRLpath = /crls
; Alternatively you can use CRLfile
;CRLfile = /usr/local/stunnel/etc/stunnel/crls.pem

; Some debugging stuff useful for troubleshooting
debug = 7

; Use it for client mode
client = no
; Service-level configuration

[pesitip]
accept = 10443
connect = XXXXXXX:10016 



Thanks for your help.

Regards.

Laurent UK



Internet  
josealf at rocketmail.com
03/05/2011 14:52

Veuillez répondre à
josealf at rocketmail.com 
 

Pour Laurent UK, stunnel-users-bounces at stunnel.org, stunnel-users at stunnel.org 
cc  
Objet Re: [stunnel-users] need help error :SSL3_GET_RECORD:wrong versionnumber 
with cipher DES-CBC-SHA 



  
 




Laurent,

Can you post your configuration? For security, You should change the real IPs 
(but not the ports) before posting.

You can check:

1. Does your stunnel client config has client=yes?
2. Does your stunnel server config has client=no
3. Check your packet flow, that is: your accept/connect settings.

Regards
Jose
-----Original Message-----
From: laurent.uk at bnpparibas.com
Sender: stunnel-users-bounces at stunnel.org
Date: Tue, 3 May 2011 14:16:09 
To: <stunnel-users at stunnel.org>
Subject: [stunnel-users] need help error :SSL3_GET_RECORD:wrong version
              number with cipher DES-CBC-SHA

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