- stunnel-users - stunnel.org

Configuring VeriSign certificate with STunnel
by Zubair Ali Mansoor 21 Dec '11

21 Dec '11

Hi, I got VeriSign Test SSL certificate. I have been trying to configure it with STunnel. But there are errors in STunnel. I have placed private key and CA signed certificate in a separate file named 'stunnel.pem'. Root and Intermediate certificates have been placed in following order in a file named 'ca.pem' stunnel.pem -----BEGIN RSA PRIVATE KEY----- encrypted key -----END RSA PRIVATE KEY----- -----BEGIN CERTIFICATE----- VeriSign signed certificate -----END CERTIFICATE----- ca.pem -----BEGIN CERTIFICATE----- VeriSign Intermediate CA Certificate -----END CERTIFICATE----- -----BEGIN CERTIFICATE----- VeriSign Root CA Certificate -----END CERTIFICATE----- Here is stunnel.conf file. ;key = server.key cert = stunnel.pem ; Some performance tunings socket = l:TCP_NODELAY=1 socket = r:TCP_NODELAY=1 ; Workaround for Eudora bug ;options = DONT_INSERT_EMPTY_FRAGMENTS ; Authentication stuff verify = 2 ; Don't forget to c_rehash CApath ;CApath = certs ; It's often easier to use CAfile CAfile = ca.pem ;CAfile=zosIntermediate.pem ; Don't forget to c_rehash CRLpath ;CRLpath = crls ; Alternatively you can use CRLfile ;CRLfile = crls.pem ; Some debugging stuff useful for troubleshooting ;debug = 7 output = stunnel.log ; Use it for client mode client = no I have also tried to change order of certificates but nothing is working. Anyone have idea how it can work. Your cooperation will be highly appreciated. Thanks, Zubair

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Unable to make Stunnel on Solaris 10
by ted.pritchard＠steria.co.uk 20 Dec '11

20 Dec '11

Hi, I'm trying to compile and install Stunnel 4.47 on a Solaris 10 container. My GCC version is 3.4.3. The problem is that I get the following error during make make gcc:unrecognized option: '-pthread' Should I be able to compile Stunnel using this configuration or is there some option I can use to make it work? For interest, In the past using Stunnel 3.34 I've not had this problem so something in the build process must have changed. Many Thanks Ted This email originates from Steria*. It, and any attachments, may contain confidential information and may be subject to copyright or other intellectual property rights. It is only for the use of the addressee(s). You may not copy, forward, disclose, save or otherwise use it in any way if you are not the addressee(s) or responsible for delivery. If you receive this email by mistake, please advise the sender and cancel it immediately. Steria may monitor the content of emails within its network to ensure compliance with its policies and procedures. Any email is susceptible to alteration and its integrity cannot be assured. Steria shall not be liable if the message is altered, modified, falsified, or edited. _____________________________________________________ * Steria Limited, number 4077975; Steria Recruitment Limited, number 1437998. Registered in England and Wales; registered office Three Cherry Trees Lane, Hemel Hempstead, Hertfordshire HP2 7AH

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by Brian McGinity 16 Dec '11

16 Dec '11

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Re: [stunnel-users] Problem with sslv2 clients
by Ludovic LEVET 16 Dec '11

16 Dec '11

Hi, Normal, SSLv2 is disable by default since version 4.40. (http://www.stunnel.org/?page=sdf_ChangeLog) To re-enable it add in your config file : ciphers = ALL:!aNULL:!EXP:!LOW:-MEDIUM:RC4:+HIGH (or other) and sslVersion = all Ludovic. > > > > Le 09/12/2011 15:37, Markus Borst a écrit : >> Hi, >> >> we have a strange problem with newer stunnel versions (4.50 on >> windows), compared to older ones (known to work is version 4.35). The >> problem seems to be, that if a client sends a SSLv2 Helo message, the >> stunnel server simply resets the TCP connection, without trying to >> negotioate anything. >> >> Setup: Stunnel is used top provide ssl/tls for imap, Hobbit is used >> to monitor service availability. The Hobbit module to monitor imaps >> seems to try SSLv2 first, but also supports newer versions (SSLv3 and >> TLSv1). The ssl connection never gets established, stunnel sends a >> tcp RST, hobbit never retries. We can force some hobbit modules to >> use TLSv1 exclusively, but not all of them. We fear that some older >> mailclients will also have problems initiating a connection, so we >> keep stunnel 4.35 running for now. >> >> stunnel.conf: >> >> fips = no >> debug = 7 >> output = stunnel.log >> >> [imaps] >> accept = 130.83.174.1:993 >> connect = 127.0.0.1:143 >> cert = imap.xxx.company.yy.pem >> >> >> stunnel.log: >> >> 2011.12.09 14:55:12 LOG5[6820:2144]: Service imaps accepted >> connection from xxx.yyy.zzz.105:45294 >> 2011.12.09 14:55:12 LOG3[6820:2144]: SSL_accept: 1408F10B: >> error:1408F10B:SSL routines:SSL3_GET_RECORD:wrong version number >> 2011.12.09 14:55:12 LOG5[6820:2144]: Connection reset: 0 bytes sent >> to SSL, 0 bytes sent to socket >> 2011.12.09 14:55:12 LOG7[6820:2144]: Service imaps finished (0 left) >> 2011.12.09 14:55:12 LOG7[6820:2144]: str_stats: 0 block(s), 0 data >> byte(s), 0 control byte(s) >> >> >> >> Wireshark Packet Trace (see attached image). >> >> >> What's wrong here? Shouldn't client and server negotiate the methods >> used? The client seems to offer TLS ("Version: TLS 1.0 ..."), but >> instead of negotiating, the server simply closes the connection. >> >> >> Greetings >> Markus Borst >> >

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Multiple Domains for https
by Brian McGinity 15 Dec '11

15 Dec '11

Will Stunnel work with multiple domains? For example if abc.com and xyz.com both resolve to the same ip address where the web server is running locally on port 4080. Going when to https://abc.com or https://xyz.com stunnel will encrypt the traffic and forward to the local 4080 port in the clear. What if 10 or 20 domains needed to be served by the same web server?

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Reload/change CRL?
by John Abloyer 15 Dec '11

15 Dec '11

Hi, Is there a way to reload CRL, or actually change to a newer, *without* restarting stunnel?

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Is Stunnel Right Tool for....?
by Brian McGinity 14 Dec '11

14 Dec '11

Is Stunnel the right tool for this situation? I am using an Intel disk monitoring tool which has the ability to send out email alerts. In the Email Setup it asks for Host, From and To, there is not a username or pw. Could Stunnel be configured to add the username and pw and send the message to gmail's smtp?

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stunnel-4.50 on Nexus S android
by Jason Haar 14 Dec '11

14 Dec '11

Hi there I'm trying out the stunnel android binary from 4.50 on a rooted 2.3.6 Android, mapping localhost port 80 to a remote client-cert protected ActiveSync server. It crashes after a client makes a connection. Here's the "debug = 7" logs 2011.12.14 07:44:55 LOG7[8738:2949960768]: Private key loaded 2011.12.14 07:44:55 LOG7[8738:2949960768]: SSL options set: 0x00000004 2011.12.14 07:44:55 LOG6[8738:2949960768]: SSL context initialized 2011.12.14 07:44:55 LOG5[8738:2949960768]: Configuration successful 2011.12.14 07:44:55 LOG7[8738:2949960768]: Option SO_REUSEADDR set on accept socket 2011.12.14 07:44:55 LOG7[8738:2949960768]: Service ActiveSync bound to 0.0.0.0:80 2011.12.14 07:44:55 LOG7[8738:2949960768]: Service ActiveSync opened FD=5 2011.12.14 07:44:55 LOG7[8738:2949960768]: Created pid file /data/local/etc/stunnel/pid 2011.12.14 07:44:59 LOG7[8738:2949960768]: Service ActiveSync accepted FD=6 from 127.0.0.1:58088 2011.12.14 07:44:59 LOG7[8738:1525312]: Service ActiveSync started 2011.12.14 07:44:59 LOG7[8738:1525312]: Option TCP_NODELAY set on local socket ...[I do "telnet 127.0.0.1 80" ] 2011.12.14 07:44:59 LOG5[8738:1525312]: Service ActiveSync accepted connection from 127.0.0.1:58088 Segmentation fault Any ideas how to debug this? I basically grabbed a working config off my Linux laptop and moved it over (different paths of course), so I assume the binary is missing something? -- Cheers Jason Haar Information Security Manager, Trimble Navigation Ltd. Phone: +1 408 481 8171 PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1

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by Brian McGinity 14 Dec '11

14 Dec '11

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SSL alert (write): fatal: protocol version
by René Legault 14 Dec '11

14 Dec '11

Hi, I have an issue when using Stunnel. Can somebody help me? I have a module on my network that sends non-SSL e-mail but my ISP (Sympatico.ca) is accepting only SSL communication. This is my stunnel.conf file: cert = stunnel.pem protocol = smtp ; Some performance tunings socket = l:TCP_NODELAY=1 socket = r:TCP_NODELAY=1 ; Some debugging stuff useful for troubleshooting debug = 7 output = stunnel.log ; Use it for client mode client = yes ; Service-level configuration [smtp] accept=192.168.1.17:25 connect = smtphm.sympatico.ca:25 And this is my log: 2011.12.13 19:55:06 LOG7[2468:1644]: Service smtp accepted FD=316 from 192.168.1.200:12149 2011.12.13 19:55:06 LOG7[2468:1644]: Creating a new thread 2011.12.13 19:55:06 LOG7[2468:1644]: New thread created 2011.12.13 19:55:06 LOG7[2468:2684]: Service smtp started 2011.12.13 19:55:06 LOG5[2468:2684]: Service smtp accepted connection from 192.168.1.200:12149 2011.12.13 19:55:06 LOG6[2468:2684]: connect_blocking: connecting 65.55.172.251:25 2011.12.13 19:55:06 LOG7[2468:2684]: connect_blocking: s_poll_wait 65.55.172.251:25: waiting 10 seconds 2011.12.13 19:55:06 LOG5[2468:2684]: connect_blocking: connected 65.55.172.251:25 2011.12.13 19:55:06 LOG5[2468:2684]: Service smtp connected remote server from 192.168.1.17:3013 2011.12.13 19:55:06 LOG7[2468:2684]: Remote FD=392 initialized 2011.12.13 19:55:06 LOG6[2468:2684]: Client-mode smtp protocol negotiations started 2011.12.13 19:55:06 LOG7[2468:2684]: <- 220 BLU0-SMTP6.phx.gbl Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Tue, 13 Dec 2011 16:55:06 -0800 2011.12.13 19:55:06 LOG7[2468:2684]: -> 220 BLU0-SMTP6.phx.gbl Microsoft ESMTP MAIL Service, Version: 6.0.3790.4675 ready at Tue, 13 Dec 2011 16:55:06 -0800 2011.12.13 19:55:06 LOG7[2468:2684]: -> EHLO localhost 2011.12.13 19:55:06 LOG7[2468:2684]: <- 250-BLU0-SMTP6.phx.gbl Hello [65.94.163.170] 2011.12.13 19:55:06 LOG7[2468:2684]: <- 250-TURN 2011.12.13 19:55:06 LOG7[2468:2684]: <- 250-SIZE 41943040 2011.12.13 19:55:06 LOG7[2468:2684]: <- 250-ETRN 2011.12.13 19:55:06 LOG7[2468:2684]: <- 250-PIPELINING 2011.12.13 19:55:06 LOG7[2468:2684]: <- 250-DSN 2011.12.13 19:55:06 LOG7[2468:2684]: <- 250-ENHANCEDSTATUSCODES 2011.12.13 19:55:06 LOG7[2468:2684]: <- 250-8bitmime 2011.12.13 19:55:06 LOG7[2468:2684]: <- 250-BINARYMIME 2011.12.13 19:55:06 LOG7[2468:2684]: <- 250-CHUNKING 2011.12.13 19:55:06 LOG7[2468:2684]: <- 250-VRFY 2011.12.13 19:55:06 LOG7[2468:2684]: <- 250-TLS 2011.12.13 19:55:06 LOG7[2468:2684]: <- 250-STARTTLS 2011.12.13 19:55:06 LOG7[2468:2684]: <- 250 OK 2011.12.13 19:55:06 LOG7[2468:2684]: -> STARTTLS 2011.12.13 19:55:06 LOG7[2468:2684]: <- 220 2.0.0 SMTP server ready 2011.12.13 19:55:06 LOG6[2468:2684]: Client-mode smtp protocol negotiations succeeded 2011.12.13 19:55:06 LOG7[2468:2684]: SSL state (connect): before/connect initialization 2011.12.13 19:55:06 LOG7[2468:2684]: SSL state (connect): SSLv3 write client hello A 2011.12.13 19:55:06 LOG7[2468:2684]: SSL state (connect): SSLv3 read server hello A 2011.12.13 19:55:06 LOG7[2468:2684]: SSL state (connect): SSLv3 read server certificate A 2011.12.13 19:55:06 LOG7[2468:2684]: SSL state (connect): SSLv3 read server done A 2011.12.13 19:55:06 LOG7[2468:2684]: SSL state (connect): SSLv3 write client key exchange A 2011.12.13 19:55:06 LOG7[2468:2684]: SSL state (connect): SSLv3 write change cipher spec A 2011.12.13 19:55:06 LOG7[2468:2684]: SSL state (connect): SSLv3 write finished A 2011.12.13 19:55:06 LOG7[2468:2684]: SSL state (connect): SSLv3 flush data 2011.12.13 19:55:07 LOG7[2468:2684]: SSL state (connect): SSLv3 read finished A 2011.12.13 19:55:07 LOG7[2468:2684]: 1 items in the session cache 2011.12.13 19:55:07 LOG7[2468:2684]: 86477 client connects (SSL_connect()) 2011.12.13 19:55:07 LOG7[2468:2684]: 86477 client connects that finished 2011.12.13 19:55:07 LOG7[2468:2684]: 0 client renegotiations requested 2011.12.13 19:55:07 LOG7[2468:2684]: 0 server connects (SSL_accept()) 2011.12.13 19:55:07 LOG7[2468:2684]: 0 server connects that finished 2011.12.13 19:55:07 LOG7[2468:2684]: 0 server renegotiations requested 2011.12.13 19:55:07 LOG7[2468:2684]: 0 session cache hits 2011.12.13 19:55:07 LOG7[2468:2684]: 0 external session cache hits 2011.12.13 19:55:07 LOG7[2468:2684]: 0 session cache misses 2011.12.13 19:55:07 LOG7[2468:2684]: 0 session cache timeouts 2011.12.13 19:55:07 LOG6[2468:2684]: SSL connected: new session negotiated 2011.12.13 19:55:07 LOG6[2468:2684]: Negotiated ciphers: DES-CBC3-SHA SSLv3 Kx=RSA Au=RSA Enc=3DES(168) Mac=SHA1 2011.12.13 19:55:07 LOG6[2468:2684]: Compression: null, expansion: null 2011.12.13 19:55:07 LOG7[2468:2684]: SSL alert (write): fatal: protocol version 2011.12.13 19:55:07 LOG3[2468:2684]: SSL_read: 1408F10B: error:1408F10B:SSL routines:SSL3_GET_RECORD:wrong version number 2011.12.13 19:55:07 LOG5[2468:2684]: Connection reset: 19 bytes sent to SSL, 219 bytes sent to socket 2011.12.13 19:55:07 LOG7[2468:2684]: Service smtp finished (0 left) 2011.12.13 19:55:07 LOG7[2468:2684]: str_stats: 16 block(s), 353 data byte(s), 544 control byte(s) What am I doing wrong? Thanks Rene

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