Sorry, curl was only for testing.

Adrians-MacBook-Pro:~ adrianmihalko$ openssl s_client -connect 192.168.1.17:1988
CONNECTED(00000003)
1130:error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol:/BuildRoot/Library/Caches/com.apple.xbs/Sources/OpenSSL098/OpenSSL098-59/src/ssl/s23_clnt.c:618:

2015.10.09 12:23:21 LOG5[main]: Reading configuration from file stunnel.conf

2015.10.09 12:23:21 LOG5[main]: UTF-8 byte order mark detected

2015.10.09 12:23:21 LOG5[main]: FIPS mode disabled

2015.10.09 12:23:21 LOG6[main]: Initializing service [gmail-pop3]

2015.10.09 12:23:21 LOG6[main]: Initializing service [gmail-imap]

2015.10.09 12:23:21 LOG6[main]: Initializing service [gmail-smtp]

2015.10.09 12:23:21 LOG6[main]: Initializing service [myservice]

2015.10.09 12:23:21 LOG6[main]: Loading certificate from file: stunnel.pem

2015.10.09 12:23:21 LOG6[main]: Loading key from file: stunnel.pem

2015.10.09 12:23:21 LOG4[main]: Service [myservice] needs authentication to prevent MITM attacks

2015.10.09 12:23:21 LOG5[main]: Configuration successful

2015.10.09 12:23:21 LOG5[main]: Logging to C:\Users\adrianmihalko\AppData\Local\stunnel.log

2015.10.09 12:23:42 LOG5[39]: Service [myservice] accepted connection from 192.168.1.25:49454

2015.10.09 12:23:42 LOG6[39]: failover: round-robin, starting at entry #0

2015.10.09 12:23:42 LOG6[39]: s_connect: connecting ::1:41952

2015.10.09 12:23:42 LOG5[39]: s_connect: connected ::1:41952

2015.10.09 12:23:42 LOG5[39]: Service [myservice] connected remote server from ::1:50564

2015.10.09 12:23:42 LOG6[39]: SNI: sending servername: localhost

2015.10.09 12:23:42 LOG6[39]: Certificate verification disabled

2015.10.09 12:23:42 LOG6[39]: SSL connected: new session negotiated

2015.10.09 12:23:42 LOG6[39]: Negotiated TLSv1 ciphersuite AES128-SHA (128-bit encryption)

2015.10.09 12:23:42 LOG6[39]: SSL socket closed (SSL_read)

2015.10.09 12:23:42 LOG5[39]: Connection closed: 130 byte(s) sent to SSL, 505 byte(s) sent to socket

If I am connecting to the :41952:

openssl s_client -connect 192.168.1.17:41952

...

---
No client certificate CA names sent
---
SSL handshake has read 1724 bytes and written 712 bytes
---
New, TLSv1/SSLv3, Cipher is AES128-SHA
Server public key is 4096 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
SSL-Session:
Protocol : TLSv1
Cipher : AES128-SHA
...

2015-10-09 10:55 GMT+02:00 test rig <testrig@z1p.biz>:

Ouch #2 missing...

Hi Adrian, looks good to me so far - mostly. Try to replace the client=yes with a client=no on the server

You are connection to :9999 with curl(?)
Try verify it via "openssl s_client -connect yourserverip:1988" command

Best Regards
Michael

--- Ursprüngliche Nachricht ---
Von: "test rig" <testrig@z1p.biz>
Datum: 09.10.2015 09:48:02
An: "stunnel-users@stunnel.org." <stunnel-users@stunnel.org>
Betreff: Re: [stunnel-users] (no subject)

Hi Adrian, looks good to me so far - mostly. Try to replace the client=yes with a client=no on the server
--- Ursprüngliche Nachricht ---
Von: Adrián Mihálko
Datum: 09.10.2015 08:15:19
An: stunnel-users@stunnel.org
Betreff: [stunnel-users] (no subject)

Dear stunnel users,

I have a little service which listen only on https://localhost:4952 and checks source hostname. I want to connect on "listen:1988" and redirect requests with stunnel to "localhost:4952"

https://192.168.1.10:1988 -> redirect https://localhost:4952

I am trying to configure stunnel like this

[myservice]
cert = stunnel.pem
client = yes
accept = 0.0.0.0:1988
connect = localhost:4952

remote machine$ curl https://192.168.1.25:9999/DYMO/DLS/Printing/Check -v
* Trying 192.168.1.25...
* Connected to 192.168.1.25 (192.168.1.25) port 9999 (#0)
* WARNING: using IP address, SNI is being disabled by the OS.
* Unknown SSL protocol error in connection to 192.168.1.25:-9847
* Closing connection 0
curl: (35) Unknown SSL protocol error in connection to 192.168.1.25:-9847

stunnel.log:
2015.10.09 09:05:42 LOG5[38]: Service [myservice] accepted connection from 192.168.1.24:60748
2015.10.09 09:05:42 LOG6[38]: failover: round-robin, starting at entry #1
2015.10.09 09:05:42 LOG6[38]: s_connect: connecting 127.0.0.1:41952
2015.10.09 09:05:42 LOG5[38]: s_connect: connected 127.0.0.1:41952
2015.10.09 09:05:42 LOG5[38]: Service [myservice] connected remote server from 127.0.0.1:50503
2015.10.09 09:05:42 LOG6[38]: SNI: sending servername: localhost
2015.10.09 09:05:42 LOG6[38]: Certificate verification disabled
2015.10.09 09:05:42 LOG6[38]: Certificate verification disabled
2015.10.09 09:05:42 LOG6[38]: SSL connected: new session negotiated
2015.10.09 09:05:42 LOG6[38]: Negotiated TLSv1 ciphersuite AES128-SHA (128-bit encryption)
2015.10.09 09:05:42 LOG6[38]: SSL socket closed (SSL_read)
2015.10.09 09:05:42 LOG5[38]: Connection closed: 230 byte(s) sent to SSL, 505 byte(s) sent to socket

I am tried verify = 1 to 4, either works. :(

Best Regards,
Adrian

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