[stunnel-users] (no subject)

Josealf.rm josealf at rocketmail.com
Sat Oct 10 21:33:33 CEST 2015


Yes. I recall reading about support for custom headers in stunnel. Look like's not there yet. 
Check your framework docs. you may be able to customise the request and add the required header. 

Regards



> El 10 oct 2015, a las 14:07, Adrián Mihálko <adriankoooo at gmail.com> escribió:
> 
> Yeah, curl works fine (THANK YOU!):
> 
> curl https://192.168.2.123:41951/DYMO/DLS/Printing/Check -vk -H "Host: localhost"
> 
> <html><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><body style="text-align:center;color:DarkGreen;font-size:2em;"><b>Congratulations! DLS Web Service is up and running. <br/>You can now print from supported web sites.
> 
> The biggest problem now, that I connect to this service from a javascript framework. And from there is still not working.
> 
> In the meantime I found in stunnel's TODO:
> 
>    • Add user-defined headers to CONNECT proxy requests in order to impersonate other software (e.g. web browsers).
> 
> Maybe this is what I need now?
> 
> Regards,
> Adrian
> 
>> On 10. 10. 2015, at 21:02, Josealf.rm <josealf at rocketmail.com> wrote:
>> 
>> You can set the host header in the request using curl. Try adding -H "HOST: localhost" to your command.
>> 
>> Not sure about regular browsers...
>> 
>> Regards 
>> Jose
>> 
>> 
>>> El 10 oct 2015, a las 12:28, Adrián Mihálko <adriankoooo at gmail.com> escribió:
>>> 
>>> Thank you for this idea.
>>> 
>>> The connection is now successful:
>>> 
>>> http://pastebin.com/idLxrzRA
>>> 
>>> But the application on :41952 is blocking the request.
>>> 
>>> Let me clarify:
>>> 
>>> The only URL what is working is:
>>> https://localhost:41952/DYMO/DLS/Printing/Check
>>> https://www.dropbox.com/s/syw5clruyjildyf/Screenshot%202015-10-10%2019.18.23.png?dl=0
>>> 
>>> Non working URL's:
>>> 
>>> https://127.0.0.1:41952/DYMO/DLS/Printing/Check
>>> https://www.dropbox.com/s/8fc2v1e3gr0ap2q/Screenshot%202015-10-10%2019.19.27.png?dl=0
>>> 
>>> https://192.168.2.123:41952/DYMO/DLS/Printing/Check
>>> https://www.dropbox.com/s/yfkwx1s5acfek38/Screenshot%202015-10-10%2019.20.46.png?dl=0
>>> 
>>> From remote machine (trough stunnel) I get same error:
>>> https://www.dropbox.com/s/cm6l358k948hxhu/Screenshot%202015-10-10%2019.21.23.png?dl=0
>>> 
>>> Interesting that 127.0.0.1, 192.168.2.123 are also pointing to the localhost and it's not working.
>>> I think the web service on :41952 checks the request header? Is there any way to fake this?
>>> 
>>> Regards,
>>> Adrian
>>> 
>>>> On 10. 10. 2015, at 19:06, Jose Alf. <josealf at rocketmail.com> wrote:
>>>> 
>>>> Adrian,
>>>> 
>>>> Sorry, I didn't read your original mail carefully. You want to write  https://192.168.1.10:1988  
>>>> and reach your SSL or TLS service that listens on port 4952 of loopback interface on host with IP 192.168.1.10.
>>>> 
>>>> You need to 2 stunnel stanzas to achive what you want. Something like:
>>>> 
>>>> 
>>>> [myservice]
>>>> cert = stunnel.pem
>>>> client = no
>>>> accept = 0.0.0.0:1988
>>>> connect = localhost:1987
>>>> 
>>>> 
>>>> [myserviceaux]
>>>> cert = stunnel.pem
>>>> client = yes
>>>> accept = localhost:1987
>>>> connect = localhost:4952
>>>> 
>>>> 
>>>> If you find this too convoluted, you could try with other reverse proxy software like apache or squid.
>>>> 
>>>> With your original config, you should be able to connect using http instead of https, as stunnel is expecting clearr text traffic.
>>>> 
>>>> 
>>>> Please try and let us know how it goes.
>>>> 
>>>> On Saturday, October 10, 2015 9:58 AM, Josealf.rm <josealf at rocketmail.com> wrote:
>>>> 
>>>> 
>>>> Some clarifications
>>>> 
>>>> 1. Most likely stunnel and your service can't negotiate a protocol. Thus the connection fails. The service could be using SSL3 that is now obsolete. You may need to downgrade from TLS to SSL3 in stunnel.
>>>> 2. You can do a direct test with curl against you service (local) or openssl s_client.
>>>> 
>>>> Regards
>>>> Jose
>>>> 
>>>>> El 9 oct 2015, a las 5:44, Adrián Mihálko <adriankoooo at gmail.com> escribió:
>>>>> 
>>>>> Some good news, I remove client = yes as you suggested:
>>>>> 
>>>>> 2015.10.09 12:39:29 LOG5[main]: Configuration successful
>>>>> 2015.10.09 12:39:29 LOG5[main]: Logging to C:\Users\adrianmihalko\AppData\Local\stunnel.log
>>>>> 2015.10.09 12:39:34 LOG6[57]: SSL socket closed (SSL_read)
>>>>> 2015.10.09 12:39:34 LOG5[57]: Connection closed: 0 byte(s) sent to SSL, 445 byte(s) sent to socket
>>>>> 2015.10.09 12:39:34 LOG5[60]: Service [myservice] accepted connection from 192.168.1.25:49671
>>>>> 2015.10.09 12:39:34 LOG6[60]: SSL accepted: new session negotiated
>>>>> 2015.10.09 12:39:34 LOG6[60]: No peer certificate received
>>>>> 2015.10.09 12:39:34 LOG6[60]: Negotiated TLSv1.2 ciphersuite ECDHE-RSA-AES128-GCM-SHA256 (128-bit encryption)
>>>>> 2015.10.09 12:39:34 LOG6[60]: failover: round-robin, starting at entry #0
>>>>> 2015.10.09 12:39:34 LOG6[60]: s_connect: connecting ::1:41952
>>>>> 2015.10.09 12:39:34 LOG5[60]: s_connect: connected ::1:41952
>>>>> 2015.10.09 12:39:34 LOG6[60]: persistence: ::1:41952 cached
>>>>> 2015.10.09 12:39:34 LOG5[60]: Service [myservice] connected remote server from ::1:50598
>>>>> 2015.10.09 12:39:34 LOG6[60]: SSL socket closed (SSL_read)
>>>>> 2015.10.09 12:39:34 LOG5[60]: Connection closed: 0 byte(s) sent to SSL, 0 byte(s) sent to socket
>>>>> 2015.10.09 12:39:34 LOG5[61]: Service [myservice] accepted connection from 192.168.1.25:49672
>>>>> 2015.10.09 12:39:34 LOG6[61]: SSL accepted: new session negotiated
>>>>> 2015.10.09 12:39:34 LOG6[61]: No peer certificate received
>>>>> 2015.10.09 12:39:34 LOG6[61]: Negotiated TLSv1.2 ciphersuite ECDHE-RSA-AES128-GCM-SHA256 (128-bit encryption)
>>>>> 2015.10.09 12:39:34 LOG6[61]: failover: round-robin, starting at entry #1
>>>>> 2015.10.09 12:39:34 LOG6[61]: s_connect: connecting 127.0.0.1:41952
>>>>> 2015.10.09 12:39:34 LOG5[61]: s_connect: connected 127.0.0.1:41952
>>>>> 2015.10.09 12:39:34 LOG6[61]: persistence: 127.0.0.1:41952 cached
>>>>> 2015.10.09 12:39:34 LOG5[61]: Service [myservice] connected remote server from 127.0.0.1:50599
>>>>> 
>>>>> openssl_client log:
>>>>> 
>>>>> http://pastebin.com/7bg3sf7J
>>>>> 
>>>>> The problem is now that the site loads forever, nothing happens. 
>>>>> 
>>>>> (this certificate (:1988) is other than the original (:41952). This is not problem?
>>>>> 
>>>>> curl test:
>>>>> 
>>>>> $ curl https://192.168.1.17:1988/DYMO/DLS/Printing/Check -vk
>>>>> *   Trying 192.168.1.17...
>>>>> * Connected to 192.168.1.17 (192.168.1.17) port 1988 (#0)
>>>>> * TLS 1.2 connection using TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
>>>>> * Server certificate: localhost
>>>>>> GET /DYMO/DLS/Printing/Check HTTP/1.1
>>>>>> Host: 192.168.1.17:1988
>>>>>> User-Agent: curl/7.43.0
>>>>>> Accept: */*
>>>>> waiting forever.
>>>>> 
>>>>> 2015-10-09 12:34 GMT+02:00 Adrián Mihálko <adriankoooo at gmail.com>:
>>>>> In the first mail I wrote ports bad, of course in the log I am using the good ones.
>>>>> 
>>>>> [myservice]
>>>>> cert = stunnel.pem
>>>>> client = yes
>>>>> accept = 0.0.0.0:1988
>>>>> connect = localhost:41952
>>>>> 
>>>>> 
>>>>> 2015-10-09 12:32 GMT+02:00 Adrián Mihálko <adriankoooo at gmail.com>:
>>>>> 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]: 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 at 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 at z1p.biz>
>>>>> Datum: 09.10.2015 09:48:02
>>>>> An: "stunnel-users at stunnel.org." <stunnel-users at 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 at 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
>>>>> 
>>>>> 
>>>>> ______________________________________________________
>>>>> powered by Perfect-Privacy.com / Secure-Mail.biz - anonymous and secure internet.
>>>>> 
>>>>> 
>>>>> ______________________________________________________
>>>>> powered by Perfect-Privacy.com / Secure-Mail.biz - anonymous and secure internet.
>>>>> 
>>>>> _______________________________________________
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>>>>> 
>>>>> 
>>>>> 
>>>>> 
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>>>> 
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> 


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