- stunnel-users - stunnel.org

Re: [stunnel-users] Clearer and Detailed version of the mail Stunnelfor HTTP enc
by Ian 20 Jul '06

20 Jul '06

On 20 Jul 2006 at 14:50, LoopBack Inc wrote: > Hello Ian, > > > Yes thats excatly what I want to do. > > In fact, if possible, this I haven't described yes, I would like to encript > every program I want through PC2, used as a proxy, like you said. > But if it would work with the http it wouldn't be bad. > > Thank you for your reply. Hi, Ok, this has clarified things for me. Another question, do you have a copy of the proxy program (SocksCap ?) running on PC2? If not then this is the problem. I believe that stunnel does not itself act as a proxy. It simply acts as a tunnel. >From your description of your config I suspect that you should have a second copy of SocksCap listenening on PC2 which will forward data onto the internet. A quick example: PC1: SocksCap listening on port 8080 ( for example) forwards to 127.0.0.1:500 stunnel listening on port 500, forwarded any data to PC2 port 500 PC2: stunnel listening on port 500 forwards data to 127.0.0.1:8080 SocksCap listening on port 8080 forwards data out to the internet. This will encrypt data between PC1 & PC2 but after that it will be back in plain. In order to test this I would break it down into its individual components and test each stage. I recommend downloading netcat (http://netcat.sourceforge.net/ or google for it) and learn how to use it. Sorry I can't help you with this bit, its better if you learn it yourself - and once you have you will wonder how you ever managed without it ;) Regards Ian --

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Stunnel for HTTP encription
by LoopBack Inc 18 Jul '06

18 Jul '06

Hello! I'm tring to encript HTTP. I use two PCs, PC1 and PC2. PC1 is a client PC2 is a server. IP of PC1:192.168.0.1 IP of PC2:192.168.0.2 I use SocksCap to forward the iexplore cnnections to another port, a port on which stunnel listens. On PC1, the client, stunnel is listening on port 500. So when I start iexplore.exe with SocksCap every connection goes to 127.0.0.1:500. PC1 connects to PC2, with connect = 192.168.0.2:123 On PC2, the server, stunnel listens on port 500. then is connects to the internet with connect = 127.0.0.1:80. Here is the problem, stunnel doesn't connect to the internet over 127.0.0.1:80. I don't know why, but it doesnt. LOGs from the SERVER: 2006.07.18 16:56:07 LOG7[2332:2720]: inet accepted FD=208 from 192.168.0.1:2156 2006.07.18 16:56:07 LOG7[2332:2720]: Creating a new thread 2006.07.18 16:56:07 LOG7[2332:2720]: New thread created 2006.07.18 16:56:07 LOG7[2332:1880]: inet started 2006.07.18 16:56:07 LOG7[2332:1880]: FD 208 in non-blocking mode 2006.07.18 16:56:07 LOG5[2332:1880]: inet connected from 192.168.0.1:2156 2006.07.18 16:56:07 LOG7[2332:1880]: SSL state (accept): before/accept initialization 2006.07.18 16:56:07 LOG7[2332:1880]: SSL state (accept): SSLv3 read client hello A 2006.07.18 16:56:07 LOG7[2332:1880]: SSL state (accept): SSLv3 write server hello A 2006.07.18 16:56:07 LOG7[2332:1880]: SSL state (accept): SSLv3 write change cipher spec A 2006.07.18 16:56:07 LOG7[2332:1880]: SSL state (accept): SSLv3 write finished A 2006.07.18 16:56:07 LOG7[2332:1880]: SSL state (accept): SSLv3 flush data 2006.07.18 16:56:07 LOG7[2332:1880]: SSL state (accept): SSLv3 read finished A 2006.07.18 16:56:07 LOG7[2332:1880]: 1 items in the session cache 2006.07.18 16:56:07 LOG7[2332:1880]: 0 client connects (SSL_connect()) 2006.07.18 16:56:07 LOG7[2332:1880]: 0 client connects that finished 2006.07.18 16:56:07 LOG7[2332:1880]: 0 client renegotiations requested 2006.07.18 16:56:07 LOG7[2332:1880]: 7 server connects (SSL_accept()) 2006.07.18 16:56:07 LOG7[2332:1880]: 7 server connects that finished 2006.07.18 16:56:07 LOG7[2332:1880]: 0 server renegotiations requested 2006.07.18 16:56:07 LOG7[2332:1880]: 5 session cache hits 2006.07.18 16:56:07 LOG7[2332:1880]: 1 session cache misses 2006.07.18 16:56:07 LOG7[2332:1880]: 1 session cache timeouts 2006.07.18 16:56:07 LOG6[2332:1880]: SSL accepted: previous session reused 2006.07.18 16:56:07 LOG7[2332:1880]: FD 244 in non-blocking mode 2006.07.18 16:56:07 LOG7[2332:1880]: inet connecting 127.0.0.1:80 2006.07.18 16:56:07 LOG7[2332:1880]: connect_wait: waiting 10 seconds 2006.07.18 16:56:07 LOG7[2332:1880]: connect_wait: connected 2006.07.18 16:56:07 LOG7[2332:1880]: Remote FD=244 initialized After nothing happend for 52 seconds I aborted in the iexplore.exe to open the page. 2006.07.18 16:56:59 LOG7[2332:1880]: SSL alert (read): warning: close notify 2006.07.18 16:56:59 LOG7[2332:1880]: SSL closed on SSL_read 2006.07.18 16:56:59 LOG7[2332:1880]: Socket write shutdown 2006.07.18 16:56:59 LOG7[2332:1880]: SSL write shutdown 2006.07.18 16:56:59 LOG7[2332:1880]: SSL alert (write): warning: close notify 2006.07.18 16:56:59 LOG6[2332:1880]: SSL_shutdown successfully sent close_notify 2006.07.18 16:56:59 LOG5[2332:1880]: Connection closed: 0 bytes sent to SSL, 3 bytes sent to socket 2006.07.18 16:56:59 LOG7[2332:1880]: inet finished (0 left) LOGs from the CLIENT: 2006.07.18 17:10:11 LOG7[1756:4756]: inet accepted FD=444 from 127.0.0.1:2284 2006.07.18 17:10:11 LOG7[1756:4756]: Creating a new thread 2006.07.18 17:10:11 LOG7[1756:4756]: New thread created 2006.07.18 17:10:11 LOG7[1756:2840]: inet started 2006.07.18 17:10:11 LOG7[1756:2840]: FD 444 in non-blocking mode 2006.07.18 17:10:11 LOG7[1756:2840]: TCP_NODELAY option set on local socket 2006.07.18 17:10:11 LOG5[1756:2840]: inet connected from 127.0.0.1:2284 2006.07.18 17:10:11 LOG7[1756:2840]: FD 348 in non-blocking mode 2006.07.18 17:10:11 LOG7[1756:2840]: inet connecting 192.168.0.2:123 2006.07.18 17:10:11 LOG7[1756:2840]: connect_wait: waiting 10 seconds 2006.07.18 17:10:11 LOG7[1756:2840]: connect_wait: connected 2006.07.18 17:10:11 LOG7[1756:2840]: Remote FD=348 initialized 2006.07.18 17:10:11 LOG7[1756:2840]: TCP_NODELAY option set on remote socket 2006.07.18 17:10:11 LOG7[1756:2840]: SSL state (connect): before/connect initialization 2006.07.18 17:10:11 LOG7[1756:2840]: SSL state (connect): SSLv3 write client hello A 2006.07.18 17:10:11 LOG7[1756:2840]: SSL state (connect): SSLv3 read server hello A 2006.07.18 17:10:11 LOG7[1756:2840]: SSL state (connect): SSLv3 read finished A 2006.07.18 17:10:11 LOG7[1756:2840]: SSL state (connect): SSLv3 write change cipher spec A 2006.07.18 17:10:11 LOG7[1756:2840]: SSL state (connect): SSLv3 write finished A 2006.07.18 17:10:11 LOG7[1756:2840]: SSL state (connect): SSLv3 flush data 2006.07.18 17:10:11 LOG7[1756:2840]: 17 items in the session cache 2006.07.18 17:10:11 LOG7[1756:2840]: 65 client connects (SSL_connect()) 2006.07.18 17:10:11 LOG7[1756:2840]: 65 client connects that finished 2006.07.18 17:10:11 LOG7[1756:2840]: 0 client renegotiations requested 2006.07.18 17:10:11 LOG7[1756:2840]: 0 server connects (SSL_accept()) 2006.07.18 17:10:11 LOG7[1756:2840]: 0 server connects that finished 2006.07.18 17:10:11 LOG7[1756:2840]: 0 server renegotiations requested 2006.07.18 17:10:11 LOG7[1756:2840]: 48 session cache hits 2006.07.18 17:10:11 LOG7[1756:2840]: 0 session cache misses 2006.07.18 17:10:11 LOG7[1756:2840]: 0 session cache timeouts 2006.07.18 17:10:11 LOG6[1756:2840]: SSL connected: previous session reused Nothing happendend, I aborted iexplore.exe 2006.07.18 17:10:25 LOG7[1756:2840]: Socket closed on read 2006.07.18 17:10:25 LOG7[1756:2840]: SSL write shutdown 2006.07.18 17:10:25 LOG7[1756:2840]: SSL alert (write): warning: close notify 2006.07.18 17:10:25 LOG7[1756:2840]: SSL_shutdown retrying 2006.07.18 17:10:25 LOG7[1756:2840]: SSL doesn't need to read or write 2006.07.18 17:10:25 LOG7[1756:2840]: SSL alert (read): warning: close notify 2006.07.18 17:10:26 LOG7[1756:2840]: SSL closed on SSL_read 2006.07.18 17:10:26 LOG7[1756:2840]: Socket write shutdown 2006.07.18 17:10:26 LOG5[1756:2840]: Connection closed: 3 bytes sent to SSL, 0 bytes sent to socket 2006.07.18 17:10:26 LOG7[1756:2840]: inet finished (0 left) So the problem is that stunnel doesn't connect to the internet on PC2. I think i have to use something different than connect = 127.0.0.1:80 on PC2, but not sure. I'm using Windwos. Thanks for helping. _________________________________________________________________ On the road to retirement? Check out MSN Life Events for advice on how to get there! http://lifeevents.msn.com/category.aspx?cid=Retirement

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exclusively TLS
by Richard Kotal 17 Jul '06

17 Jul '06

Hey, I had the same problem. I solved this problem. You must download my patch: http://www.aolserver.cz/, or http://www.aolserver.cz/download/stunnel-4.15_patch.tgz Richard Kotal info(a)waplikace.cz www.aolserver.cz prepis.waplikace.cz www.nvp.cz /> I need to talk to a server that is requiring pure TLS. It seems that > STUNNEL always starts with SSL. How do I get STUNNEL to start the client //> //side conversation with TLS? //> / /> // //> //John Moehrke //> //Enterprise Security Architect //> //GE Healthcare //> //T 262 293 1667 //> //W126 N7449 Flint Road, Suite 200, Menomonee Falls, WI 53051 //> / <http://stunnel.mirt.net/mailman/listinfo/stunnel-users>/John.Moehrke at med.ge.com <http://stunnel.mirt.net/mailman/listinfo/stunnel-users> <mailto:John.Moehrke at med.ge.com <http://stunnel.mirt.net/mailman/listinfo/stunnel-users>> //> //www.gehealthcare.com <http://www.gehealthcare.com/> //> //What I may see or hear in the course of the treatment or even outside of //> //the treatment in regard to the life of men, which on no account one must //> //spread abroad, I will keep to myself, holding such things shameful to be //> //spoken about. (One Portion of the Hippocratic Oath - Hippocrates, circa //> //400 B.C.) /

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configure/compile issue on AIX
by Boxall, John 13 Jul '06

13 Jul '06

I'm trying to get stunnel working on AIX 5.3. I'm running the configure with "--prefix=/opt/freeware", however, when I start stunnel it is looking for the stunnel.conf file in /usr/local/etc/stunnel. Shouldn't it be looking for it in "/opt/freeware/etc/stunnel", which is where the "make install" put it? Regards, John Boxall

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newbie: stunnel works but do not encrypt
by Gallas Róbert 13 Jul '06

13 Jul '06

Hello, I setup stunnel( v4.15 win32 port ) on both side, client and server. Connection is working but does not encrypt. Setup is done for ORACLE and WEB. Oracle`s listener is setup with "USE_SHARED_SOCKET = TRUE" variable and works fine with OpenSSH with PUTTY I use default configuration just with the needed basic customization: # ##Client cert = stunnel.pem socket = l:TCP_NODELAY=1 socket = r:TCP_NODELAY=1 debug = 7 output = stunnel.log client = yes [web] accept = 3128 connect = 10.160.1.220:3128 [oracle] accept = 1521 connect = 10.160.1.220:4892 ### Server: cert = stunnel.pem socket = l:TCP_NODELAY=1 socket = r:TCP_NODELAY=1 [web] accept = 3128 connect = 10.160.0.4:3128 [oracle] accept = 4892 connect = 10.160.1.220:1521 Any good sugestions? Thanks for your answers Regards Robert

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(no subject)
by Gallas Róbert 12 Jul '06

12 Jul '06

Hello, I setup stunnel( v4.15 win32 port ) on both side, client and server. Connection is working but does not encrypt. Setup is done for ORACLE and WEB. Oracle`s listener is setup with "USE_SHARED_SOCKET = TRUE" variable and works fine with OpenSSH with PUTTY I use default configuration just with the needed basic customization: # ##Client cert = stunnel.pem socket = l:TCP_NODELAY=1 socket = r:TCP_NODELAY=1 debug = 7 output = stunnel.log client = yes [web] accept = 3128 connect = 10.160.1.220:3128 [oracle] accept = 1521 connect = 10.160.1.220:4892 ### Server: cert = stunnel.pem socket = l:TCP_NODELAY=1 socket = r:TCP_NODELAY=1 [web] accept = 3128 connect = 10.160.0.4:3128 [oracle] accept = 4892 connect = 10.160.1.220:1521 Any good sugestions? Thanks for your answers Regards Robert

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Follow-up: Bad certificate? (was Expired certificate?)
by Boxall, John 11 Jul '06

11 Jul '06

Mike, et al, The problem I was having with stunnel on a Windows box connecting with stunnel on a Unix server (Solaris in this case) turned out to be a mis-configuration of the syslog-ng server on Unix. I took a sample syslog-ng.conf from somewhere else and didn't know the impact of "max-connections(1)". Though I assume it is intended as a limit on the number of connections to the localhost (127.0.0.1:514), it effectively limits the number of in-bound connections from remote logging clients to 1 (in this case using port 5140). Removing this parameter allowed all of my test clients to simultaneously log to the server. Mike, the OpenSSL-generated cert works fine. Thanks. Regards, John Boxall

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libssl.so.0.9.8 error running stunnel
by Michael Tyrrell 10 Jul '06

10 Jul '06

I have a Solaris 10 SPARC server running stunnel 4.15 with openssl version "OpenSSL 0.9.8b 04 May 2006". When I try to run /usr/local/sbin/stunnel I get the following error. ld.so.1: stunnel: fatal: libssl.so.0.9.8: open failed: No such file or directory Killed In the stunnel.conf file I have debug set to 7 but it will not write to the stunnel.log file. I also get the same error if I run stunnel -version. Thanks for any help you could give.

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stunnel and gmail (Windows)
by Al Oomens 08 Jul '06

08 Jul '06

I've gotten an older version of stunnel to work the way I want by starting it from a command prompt like: stunnel -c -d 110 -r pop.gmail.com:995 How do I specify this in the config file for the newest version of stunnel, in order to use it as a service on Windows? -- Al Oomens Wheaton, IL. aloomens(a)gmail.com

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Wildcard outbound IP matching...
by Jeff Roberts 07 Jul '06

07 Jul '06

Is there a way to configure Stunnel to capture outbound packets for *any* IP, but for a specific port? My SMTP server can be configured to connect directly to the final SMTP server. I can configure the outbound port to some other port other than 25, so I'd like to say something like - [smtpclient] protocol=smtp accept = *:2210 connect = *:25 Suggestions? ->Jeff RAD Game Tools

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Bad certificate? (was Expired certificate?)
by Boxall, John 30 Jun '06

30 Jun '06

Mike, I've created a self-signed certificate on my Windows test box using OpenSSL 0.9.7j (the version from Shining Light). I created the key file with the following command: "openssl genrsa 1024 > \host.key Here is the command I used to create the self-signed cert: "openssl req -new -x509 -nodes -sha1 -days 9999 -key \host.key > \host.cert" I then copied the key/cert to the appropriate file in the stunnel directory. I then copied the cert to the Solaris server and included it with all other client certs. Here is the Windows configuration file: ; ;CLIENT-ONLY stunnel configuration file ; client = yes cert = C:\Program Files\stunnel\stunnel.pem-client-certificate CAfile = C:\Program Files\stunnel\stunnel.pem-server-certificate ;chroot = /var/run/stunnel ;pid = /usr/local/var/run/stunnel/stunnel.pid ;setuid = stunnel ;setgid = stunnel verify = 3 ;foreground = yes debug = 7 output = C:\Program Files\stunnel\stunnel.log [5140] accept = 127.0.0.1:514 connect = 172.17.99.143:5140 Here is the Solaris configuration file: ; ;SERVER-ONLY stunnel configuration file ; cert = /usr/local/etc/stunnel/stunnel.pem-server-certificate CAfile = /usr/local/etc/stunnel/stunnel.pem-all-client-certificates ;chroot = /var/run/stunnel ;pid = /var/run/stunnel/run/stunnel.pid ;setuid = stunnel ;setgid = stunnel verify = 3 ;foreground = yes debug = 7 output=/stunnel.log [5140] accept = 172.17.99.143:5140 connect = 127.0.0.1:514 The following happens on the Windows box when I first launch stunnel: 2006.06.30 09:51:31 LOG5[516:360]: stunnel 4.15 on x86-pc-mingw32-gnu with OpenSSL 0.9.7i 14 Oct 2005 2006.06.30 09:51:31 LOG5[516:360]: Threading:WIN32 SSL:ENGINE Sockets:SELECT,IPv6 2006.06.30 09:51:31 LOG5[516:392]: No limit detected for the number of clients 2006.06.30 09:51:31 LOG7[516:392]: FD 1904 in non-blocking mode 2006.06.30 09:51:31 LOG7[516:392]: SO_REUSEADDR option set on accept socket 2006.06.30 09:51:31 LOG7[516:392]: 5140 bound to 127.0.0.1:514 Nothing happens on the Solaris box. When I start EventReporter, the following happens, in a continuous loop (until I stop EventReporter): 2006.06.30 10:16:26 LOG7[296:700]: 5140 accepted FD=156 from 127.0.0.1:1154 2006.06.30 10:16:26 LOG7[296:700]: Creating a new thread 2006.06.30 10:16:26 LOG7[296:700]: New thread created 2006.06.30 10:16:27 LOG7[296:1204]: 5140 started 2006.06.30 10:16:27 LOG7[296:1204]: FD 156 in non-blocking mode 2006.06.30 10:16:27 LOG5[296:1204]: 5140 connected from 127.0.0.1:1154 2006.06.30 10:16:27 LOG7[296:1204]: FD 188 in non-blocking mode 2006.06.30 10:16:27 LOG7[296:1204]: 5140 connecting 172.17.99.143:5140 2006.06.30 10:16:27 LOG7[296:1204]: connect_wait: waiting 10 seconds 2006.06.30 10:16:27 LOG7[296:1204]: connect_wait: connected 2006.06.30 10:16:27 LOG7[296:1204]: Remote FD=188 initialized 2006.06.30 10:16:27 LOG7[296:1204]: SSL state (connect): before/connect initialization 2006.06.30 10:16:27 LOG7[296:1204]: SSL state (connect): SSLv3 write client hello A 2006.06.30 10:16:27 LOG7[296:1204]: SSL state (connect): SSLv3 read server hello A 2006.06.30 10:16:27 LOG5[296:1204]: VERIFY OK: depth=0, /C=CA/ST=ONTARIO/L=TORONTO/O=BANK OF MONTREAL/OU=LMG-DTS/CN=jdb2u10 2006.06.30 10:16:27 LOG7[296:1204]: SSL state (connect): SSLv3 read server certificate A 2006.06.30 10:16:27 LOG7[296:1204]: SSL state (connect): SSLv3 read server certificate request A 2006.06.30 10:16:27 LOG7[296:1204]: SSL state (connect): SSLv3 read server done A 2006.06.30 10:16:27 LOG7[296:1204]: SSL state (connect): SSLv3 write client certificate A 2006.06.30 10:16:27 LOG7[296:1204]: SSL state (connect): SSLv3 write client key exchange A 2006.06.30 10:16:27 LOG7[296:1204]: SSL state (connect): SSLv3 write certificate verify A 2006.06.30 10:16:27 LOG7[296:1204]: SSL state (connect): SSLv3 write change cipher spec A 2006.06.30 10:16:27 LOG7[296:1204]: SSL state (connect): SSLv3 write finished A 2006.06.30 10:16:27 LOG7[296:1204]: SSL state (connect): SSLv3 flush data 2006.06.30 10:16:27 LOG3[296:1204]: SSL_connect: Peer suddenly disconnected 2006.06.30 10:16:27 LOG5[296:1204]: Connection reset: 0 bytes sent to SSL, 0 bytes sent to socket 2006.06.30 10:16:27 LOG7[296:1204]: 5140 finished (0 left) On the Solaris box, here is the matching entry, also in a continuous loop: 2006.06.30 10:16:47 LOG7[1214:1]: 5140 accepted FD=2 from 172.17.99.150:1155 2006.06.30 10:16:47 LOG7[1214:800]: 5140 started 2006.06.30 10:16:47 LOG7[1214:800]: FD 2 in non-blocking mode 2006.06.30 10:16:47 LOG5[1214:800]: 5140 connected from 172.17.99.150:1155 2006.06.30 10:16:47 LOG7[1214:800]: SSL state (accept): before/accept initialization 2006.06.30 10:16:47 LOG7[1214:800]: SSL state (accept): SSLv3 read client hello A 2006.06.30 10:16:47 LOG7[1214:800]: SSL state (accept): SSLv3 write server hello A 2006.06.30 10:16:47 LOG7[1214:800]: SSL state (accept): SSLv3 write certificate A 2006.06.30 10:16:47 LOG7[1214:800]: SSL state (accept): SSLv3 write certificate request A 2006.06.30 10:16:47 LOG7[1214:800]: SSL state (accept): SSLv3 flush data 2006.06.30 10:16:48 LOG4[1214:800]: VERIFY ERROR: depth=0, error=self signed certificate: /C=CA/ST=ONTARIO/L=TORONTO/O=BMO/OU=LMG-DTS/CN=jdb1winxp 2006.06.30 10:16:48 LOG7[1214:800]: SSL alert (write): fatal: bad certificate 2006.06.30 10:16:48 LOG3[1214:800]: SSL_accept: 140890B2: error:140890B2:SSL routines:SSL3_GET_CLIENT_CERTIFICATE:no certificate returned 2006.06.30 10:16:48 LOG5[1214:800]: Connection reset: 0 bytes sent to SSL, 0 bytes sent to socket 2006.06.30 10:16:48 LOG7[1214:800]: 5140 finished (1 left) It appears the server cert is ok, but "something" is wrong with the client (Windows box) cert. Any chance you could post the command used in the "make install" to kick off the creation of the self-signed cert on Unix? I grep'd for it, but couldn't find it. Regards, John Boxall

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Stunnel 4.15 cannot handle PKCS8 format private keys
by David Gillingham 29 Jun '06

29 Jun '06

In modifying stunnel to work with the OpenSSL FIPS-certified module, I found out that private keys cannot be in the default OpenSSL format; they must be in PKCS8 format (due to the MD5 algorithm being disabled in FIPS mode). Talking to Dr. Henson of the OpenSSL group I was able to convert my private keys from the default format to PKCS8, but I found that stunnel was not able to handle these keys. I got the following error output (note that server.pem contains a PKCS8 private key and a PKCS7 public cert): 2006.06.08 17:49:38 LOG7[1120:616]: Certificate: server.pem 2006.06.08 17:49:38 LOG7[1120:616]: Key file: server.pem 2006.06.08 17:49:42 LOG3[1120:616]: error stack: 140B3009 : error:140B3009:SSL routines:SSL_CTX_use_RSAPrivateKey_file:PEM lib 2006.06.08 17:49:42 LOG3[1120:616]: error stack: 906700D : error:0906700D:PEM routines:PEM_ASN1_read_bio:ASN1 lib 2006.06.08 17:49:42 LOG3[1120:616]: error stack: 2306A075 : error:2306A075:PKCS12 routines:PKCS12_DECRYPT_D2I:pkcs12 pbe crypt error 2006.06.08 17:49:42 LOG3[1120:616]: error stack: 23077073 : error:23077073:PKCS12 routines:PKCS12_pbe_crypt:pkcs12 algor cipherinit error 2006.06.08 17:49:42 LOG3[1120:616]: SSL_CTX_use_RSAPrivateKey_file: 6074079: error:06074079:digital envelope routines:EVP_PBE_CipherInit:unknown pbe algorithm 2006.06.08 17:49:42 LOG3[1120:616]: Server is down Continuing with Dr. Henson, he informed me that this ssl error output meant that "the PBE table has not been initialized in the application". I corrected this by adding a call to OpenSSL_add_all_algorithms() into ssl_init() in ssl.c. This fixed my error with the PEM files. I am posting this so that this bug may be fixed for the next stunnel release. Additionally, I'd like verification that my fix makes sense given the structure of the stunnel code. From doing some searches in the stunnel source, I could not find any existing code that initialized the PBE table so adding the call to ssl_init() made sense _to me_. Michal: do you agree?

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Expired certificate?
by Boxall, John 29 Jun '06

29 Jun '06

Michal, et al, When attempting to connect from a Windows box to a Solaris box (as the server), the Solaris stunnel log (debug = 7) shows that the certificate on the Windows box (included with the download) has expired. I can connect from a Solaris 9 client box with no problems. The Solaris box is running as an NTP client to an internal NTP server. The Windows box isn't logged into a domain, but the time is within 5 minutes of the Solaris box. Solaris server: Solaris 9 (2004/09, no patches) OpenSSL 0.9.8a Stunnel 4.15 Application: Syslog-ng 1.6.11 (working fine on a client Solaris 9 box) Windows client: Windows XP Stunnel 4.15 Application: EventReporter 8.0.268/8.0.219 stunnel.conf: (borrowed and modified from a Solaris client box) ; ;CLIENT-ONLY stunnel configuration file ; client = yes cert = C:\Program Files\stunnel\stunnel.pem-client-certificate CAfile = C:\Program Files\stunnel\stunnel.pem-server-certificate ;chroot = /var/run/stunnel ;pid = /usr/local/var/run/stunnel/stunnel.pid ;setuid = stunnel ;setgid = stunnel verify = 3 ;foreground = yes debug = 7 output = C:\Program Files\stunnel\stunnel.log [5140] accept = 127.0.0.1:514 connect = 192.168.0.143:5140 If the certificate has truly expired, could you post a new one? If not, any suggestions? Regards, John Boxall

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Re: [stunnel-users] patch to build stunnel 4.15 with VS2005
by David Gillingham 29 Jun '06

29 Jun '06

Surely. Here are the contents of the patch file for vs.mak. >cat 4.15-MSVC2005.patch diff -cr stunnel-4.15-orig/src/vc.mak stunnel-4.15/src/vc.mak *** stunnel-4.15-orig/src/vc.mak Sat Jan 21 10:17:32 2006 --- stunnel-4.15/src/vc.mak Thu Jun 29 17:31:43 2006 *************** *** 1,2 **** ! # makefile for VC is not ready... --- 1,42 ---- ! # Simple Makefile.w32 for stunnel.exe by Michal Trojnara 1998-2006 ! # ! # Modified by David Gillingham (dgillingham(a)gmail.com) for Visual ! # Studio + # Modify this to point to your actual openssl compile directory + # (You did already compile openssl, didn't you???) + SSLDIR=..\openssl-0.9.7j + + OBJS=stunnel.obj ssl.obj ctx.obj file.obj client.obj protocol.obj \ + sthreads.obj log.obj options.obj network.obj resolver.obj \ + gui.obj + + CC=cl + CFLAGS=-MD -W3 -Ox -O2 -Ob2 -Gs0 -GF -Gy -GL -nologo \ + -I"$(SSLDIR)\inc32" $(DEFINES) + DEFINES=-DUSE_WIN32 -D_CRT_SECURE_NO_DEPRECATE \ + -D_CRT_NONSTDC_NO_DEPRECATE -DHAVE_GETADDRINFO \ + -DHAVE_GETNAMEINFO -D_MBCS + + LINK=link + LDFLAGS=-INCREMENTAL:NO -NOLOGO -SUBSYSTEM:WINDOWS -OPT:REF \ + -OPT:ICF -LTCG -MACHINE:X86 -ERRORREPORT:PROMPT + LIBS=-LIBPATH:"$(SSLDIR)\out32dll" wsock32.lib ssleay32.lib \ + libeay32.lib user32.lib gdi32.lib shell32.lib comdlg32.lib \ + advapi32.lib + + all: stunnel.exe + + clean: + del $(OBJS) resources.res + del *.manifest + del stunnel.exe + + stunnel.exe: $(OBJS) resources.res + $(LINK) $(LDFLAGS) $(LIBS) -OUT:$@ $** + IF EXIST [email protected] mt -nologo -manifest [email protected] -outputresource:$@;1 + + resources.res: resources.rc resources.h stunnel.ico + rc -fo $@ resources.rc + + $(OBJS): *.h vc.mak On 6/29/06, Michal Trojnara <Michal.Trojnara(a)mobi-com.net> wrote: > > That's possible. Could you prepare a patch with a minimal set of > changes (not including anything needed to build those Unix-specific files?).

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patch to build stunnel 4.15 with VS2005
by David Gillingham 29 Jun '06

29 Jun '06

All-- I have created a patch that will allow stunnel 4.15 to be built with Visual Studio 2005's command line environment. I have only tested it with VS2k5, but it should work for all Visual Studio .NET versions (that is, VS 7.0 or later). After you apply this patch to the source tree, you will need to run the makefile from a Visual Studio Command prompt (Start->Programs->Visual Studio->Visual Studio Tools->Visual Studio Command Prompt). From there, change the working directory to the stunnel\src folder and execute the command "nmake -f vs.mak all". After the build process has completed, you will have a working stunnel.exe. This patch will modify vc.mak to a working makefile for nmake (mimicing the basic structure of mingw.mak), common.h to include a couple missing headers for the I/O functions in pty.c, and env.c to include the winsock headers under the Win32 environment (replicating how it was done in common.h). This patch that is a result of internal testing/development I've done here at work and am releasing it to this list (and the stunnel developers) so that these changes could possibly be included in future stunnel releases. To the stunnel devs: if there's any additional work that can be done to get this integrated by the next release, just mention it. The other day, I tried sending the patch to the list as an attachment, but my message never showed up on either the mirt.net or google groups mirrors. I can only assume it was rejected because of the attachment. What follows is the full text of my patch file. > cat 4.15-MSVC2005.patch diff -cr stunnel-4.15-orig/src/common.h stunnel-4.15/src/common.h *** stunnel-4.15-orig/src/common.h Fri Mar 10 08:54:56 2006 --- stunnel-4.15/src/common.h Fri Jun 23 21:41:00 2006 *************** *** 153,158 **** --- 153,164 ---- #endif #include <windows.h> + /* include Visual Studio headers needed for I/O manipulation */ + #ifdef _MSC_VER + #include <io.h> + #include <fcntl.h> + #endif + #define ECONNRESET WSAECONNRESET #define ENOTSOCK WSAENOTSOCK #define ENOPROTOOPT WSAENOPROTOOPT diff -cr stunnel-4.15-orig/src/env.c stunnel-4.15/src/env.c *** stunnel-4.15-orig/src/env.c Sat Jan 7 13:47:36 2006 --- stunnel-4.15/src/env.c Mon Jun 26 21:11:25 2006 *************** *** 31,45 **** /* getpeername() can't be declared in the following includes */ #define getpeername no_getpeername #include <sys/types.h> #include <sys/socket.h> /* for AF_INET */ #include <netinet/in.h> #include <arpa/inet.h> /* for inet_addr() */ #include <stdlib.h> /* for getenv() */ #ifdef __BEOS__ #include <be/bone/arpa/inet.h> /* for AF_INET */ #include <be/bone/sys/socket.h> /* for AF_INET */ - #else - #include <sys/socket.h> /* for AF_INET */ #endif #undef getpeername --- 31,52 ---- /* getpeername() can't be declared in the following includes */ #define getpeername no_getpeername #include <sys/types.h> + #ifdef USE_WIN32 + #ifdef _WIN32_WCE + #include <winsock.h> + #else + #include <winsock2.h> + #include <ws2tcpip.h> + #endif /* _WIN32_WCE */ + #else /* USE_WIN32 */ #include <sys/socket.h> /* for AF_INET */ #include <netinet/in.h> #include <arpa/inet.h> /* for inet_addr() */ + #endif /* USE_WIN32 */ #include <stdlib.h> /* for getenv() */ #ifdef __BEOS__ #include <be/bone/arpa/inet.h> /* for AF_INET */ #include <be/bone/sys/socket.h> /* for AF_INET */ #endif #undef getpeername diff -cr stunnel-4.15-orig/src/vc.mak stunnel-4.15/src/vc.mak *** stunnel-4.15-orig/src/vc.mak Sat Jan 21 10:17:32 2006 --- stunnel-4.15/src/vc.mak Tue Jun 27 21:02:15 2006 *************** *** 1,2 **** ! # makefile for VC is not ready... --- 1,45 ---- ! # Simple Makefile.w32 for stunnel.exe by Michal Trojnara 1998-2006 ! # ! # Modified by David Gillingham (dgillingham(a)gmail.com) for Visual ! # Studio ! ! # Modify this to point to your actual openssl compile directory ! # (You did already compile openssl, didn't you???) ! SSLDIR=..\..\openssl-0.9.7j ! ! DEFINES=-DUSE_WIN32 -D_CRT_SECURE_NO_DEPRECATE \ ! -D_CRT_NONSTDC_NO_DEPRECATE -DHAVE_GETADDRINFO \ ! -DHAVE_GETNAMEINFO -D_MBCS ! CC=cl ! CFLAGS=-MD -W3 -Ox -O2 -Ob2 -Gs0 -GF -Gy -GL -nologo \ ! -I"$(SSLDIR)\inc32" $(DEFINES) ! ! LINK=link ! LDFLAGS=-INCREMENTAL:NO -NOLOGO -SUBSYSTEM:WINDOWS -OPT:REF \ ! -OPT:ICF -LTCG -MACHINE:X86 -ERRORREPORT:PROMPT ! LIBS=-LIBPATH:"$(SSLDIR)\out32dll" wsock32.lib ssleay32.lib \ ! libeay32.lib user32.lib gdi32.lib shell32.lib comdlg32.lib \ ! advapi32.lib ! ! OBJS=stunnel.obj ssl.obj ctx.obj file.obj client.obj protocol.obj \ ! sthreads.obj log.obj options.obj network.obj resolver.obj \ ! gui.obj ! ! ! all: stunnel.exe ! ! clean: ! del $(OBJS) resources.res ! del *.manifest ! del stunnel.exe ! ! stunnel.exe: $(OBJS) resources.res ! $(LINK) $(LDFLAGS) $(LIBS) -OUT:$@ $** ! IF EXIST [email protected] mt -manifest [email protected] -outputresource:$@;1 ! ! resources.res: resources.rc resources.h stunnel.ico ! rc /fo $@ resources.rc ! ! $(OBJS): $*.c *.h ! $(CC) $(CFLAGS) -c $*.c

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stunnel in proxy mode won't start
by Dave Hinz 28 Jun '06

28 Jun '06

I'm trying to run stunnel in proxy mode, to accept connections on port 443, and forward them to an application listening at port 9999 on the same box. I believe I have the configuration correct, but I'm obviously overlooking something. Environment: stunnel 4.15 on sparc-sun-solaris2.9 with OpenSSL 0.9.7g 11 Apr 2005 I have built an stunnel.conf file, and a stunnel.pem file which are located in the correct place with the right permissions. I verified that by moving or changing permissions and seeing that errors were produced. I've changed the debug level to 7, and the following information is displayed when I try to start stunnel: cert# stunnel 2006.06.28 13:01:14 LOG7[9088:1]: Snagged 64 random bytes from /users/dave/.rnd 2006.06.28 13:01:14 LOG7[9088:1]: Wrote 1024 new random bytes to /users/dave/.rnd 2006.06.28 13:01:14 LOG7[9088:1]: RAND_status claims sufficient entropy for the PRNG 2006.06.28 13:01:14 LOG6[9088:1]: PRNG seeded successfully 2006.06.28 13:01:14 LOG7[9088:1]: Certificate: /usr/local/etc/stunnel/stunnel.pem 2006.06.28 13:01:14 LOG7[9088:1]: Key file: /usr/local/etc/stunnel/stunnel.pem 2006.06.28 13:01:14 LOG7[9088:1]: Verify directory set to / 2006.06.28 13:01:14 LOG5[9088:1]: Peer certificate location / 2006.06.28 13:01:14 LOG7[9088:1]: SSL context initialized for service test cert# Same thing if I run it as stunnel stunnel.conf -fd The prompt comes back immediately, ps -ef shows no stunnel running, and nothing is answering on port 443 which is where I'm telling it to listen: stunnel.conf file: cert = /usr/local/etc/stunnel/stunnel.pem chroot = /usr/local/etc/stunnel # PID is created inside chroot jail pid = /pid/stunnel.pid #setuid = nobody #setgid = nogroup # Authentication stuff verify = 3 # don't forget about c_rehash CApath # it is located inside chroot jail: CApath = / # Some debugging stuff debug = 7 output = stunnel.log # Use it for client mode client = no # Service-level configuration [test] accept = 127.0.0.1:443 connect = 127.0.0.1:9999 #TIMEOUTclose = 0 ---end stunnel.conf file--- The pem files are located in the same directory as the stunnel.conf, hence the "/" for the pathname above. What am I overlooking please?

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stunnel.cfg file
by Dheeraj Sehrawat 28 Jun '06

28 Jun '06

Hi All, I am looking at a problem and found the system is using stunnel with web server. From my google search I have understood that stunnel is used to make the application SSL enable. Please validate my understanding. I found following stunnel.cfg file in properties directory Port0 Enabled=0 ExternalPort=0 LocalPort=0 SSLEnabled=0 UDP=0 Port1 Enabled=1 ExternalPort=1500 LocalPort=10080 SSLEnabled=0 Port2 Enabled=0 ExternalPort=1600 LocalPort=10080 SSLEnabled=1 ------------------------------------------------------ I have the following questions: 1] what is the meaning of ExternalPort and LocalPort ? How does these ports relate with each other? Please help me in understanding this configuration file. Thanks, Dheeraj __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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Re: enabling zlib compression
by ahall＠madasafish.com 27 Jun '06

27 Jun '06

I'd really like to get this working, but I'm not sure what other information you require? All other posts on this subject refer to making sure zlib is included when openssl is compiled. Well, I've confirmed that it is. Would a strace of stunnel attempting to start up help? FYI - The output of stunnel -version displays... stunnel 4.15 on i686-pc-linux-gnu with OpenSSL 0.9.7a Feb 19 2003 Threading:PTHREAD SSL:ENGINE Sockets:POLL,IPv4 Auth:LIBWRAP Could someone please provide me with some suggestions. Thanks very much. On Mon, 26 Jun 2006 13:09:36 , <ahall(a)madasafish.com> sent: >OK - after checking the OpenSSL src-rpm I can confirm that zlib is compiled... > >./Configure \ > --prefix=%{_prefix} --openssldir=%{_datadir}/ssl ${sslflags} \ > zlib no-idea no-mdc2 no-rc5 no-ec shared \ > --with-krb5-flavor=MIT \ > -I%{_prefix}/kerberos/include -L%{_prefix}/kerberos/%{_lib} \ > ${sslarch} > >Any ideas why the "compression=zlib" option still produces the "Failed to add >zlib compression method" error? > >Thanks very much. > > >>On Fri, 23 Jun 2006 17:01:24 , ahall(a)madasafish.com> sent: >> >>>Hi there, >>> >>>When I try to enable zlib compression at the server I get this error when >>>starting it up... >>> >>>2006.06.23 15:44:39 LOG3[3426:3086293504]: Failed to add zlib compression method >>> >>>How do I get zlib to work? Do I need to compile OpenSSL with zlib? >>> >>>I'm using Fedora Core 3 with stunnel-4.15, and OpenSSL and zlib are from RPM's. >>> >>>Thanks very much. > >---- - Madasafish - Voted Best Heavy Consumer Broadband Provider in the 2006 Internet Industry Awards http://www.madasafish.com/ ---- - Madasafish - Voted Best Heavy Consumer Broadband Provider in the 2006 Internet Industry Awards http://www.madasafish.com/

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Patch to fix compile errors under MS Visual C++ 2005
by David Gillingham 26 Jun '06

26 Jun '06

Attached is a patch for stunnel 4.15 that allows the source to be built under Microsoft Visual Studio 2005. Here's a rundown of what's been changed: In common.h, I included io.h and fcntl.h so that pty.c would build without error. In env.c, I included the winsock headers (replicating how it was done for common.h), and removed a duplicate include of sys/socket.h. The latter change wasn't necessary for compiliation with MSVC, but I thought I'd remove what looked like an unncessary line. To get stunnel to build without warning, I defined the following preprocessor definitions: USE_WIN32 _CRT_SECURE_NO_DEPRECATE _CRT_NONSTDC_NO_DEPRECATE HAVE_GETADDRINFO HAVE_GETNAMEINFO _MBCS Later in the week, I'll post a patch to vs.mak to automate the build process (I'm still building with a solution file at the moment). To the stunnel developers: If there's anything extra I can do to ensure these changes are incorporated into the next release, please let me know.

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Re: enabling zlib compression
by ahall＠madasafish.com 26 Jun '06

26 Jun '06

OK - after checking the OpenSSL src-rpm I can confirm that zlib is compiled... ./Configure \ --prefix=%{_prefix} --openssldir=%{_datadir}/ssl ${sslflags} \ zlib no-idea no-mdc2 no-rc5 no-ec shared \ --with-krb5-flavor=MIT \ -I%{_prefix}/kerberos/include -L%{_prefix}/kerberos/%{_lib} \ ${sslarch} Any ideas why the "compression=zlib" option still produces the "Failed to add zlib compression method" error? Thanks very much. >On Fri, 23 Jun 2006 17:01:24 , ahall(a)madasafish.com> sent: > >>Hi there, >> >>When I try to enable zlib compression at the server I get this error when >>starting it up... >> >>2006.06.23 15:44:39 LOG3[3426:3086293504]: Failed to add zlib compression method >> >>How do I get zlib to work? Do I need to compile OpenSSL with zlib? >> >>I'm using Fedora Core 3 with stunnel-4.15, and OpenSSL and zlib are from RPM's. >> >>Thanks very much. ---- - Madasafish - Voted Best Heavy Consumer Broadband Provider in the 2006 Internet Industry Awards http://www.madasafish.com/

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Re: enabling zlib compression
by ahall＠madasafish.com 26 Jun '06

26 Jun '06

I have checked the OpenSSL INSTALL file and zlib /should/ be enabled by default... zlib-dynamic Like "zlib", but has OpenSSL load the zlib library dynamically when needed. This is only supported on systems where loading of shared libraries is supported. This is the default choice. If I can assume that Linux supports the loading of shared libraries, then can someone please help me to get zlib compression working over the stunnel. Thanks very much. On Fri, 23 Jun 2006 17:01:24 , <ahall(a)madasafish.com> sent: >Hi there, > >When I try to enable zlib compression at the server I get this error when >starting it up... > >2006.06.23 15:44:39 LOG3[3426:3086293504]: Failed to add zlib compression method > >How do I get zlib to work? Do I need to compile OpenSSL with zlib? > >I'm using Fedora Core 3 with stunnel-4.15, and OpenSSL and zlib are from RPM's. > >Thanks very much. > >---- - Madasafish - Voted Best Heavy Consumer Broadband Provider in the 2006 Internet Industry Awards http://www.madasafish.com/ ---- - Madasafish - Voted Best Heavy Consumer Broadband Provider in the 2006 Internet Industry Awards http://www.madasafish.com/

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Solaris9/Sparc runtime library problems
by Dave Hinz 23 Jun '06

23 Jun '06

This is probably a very basic problem, but I've checked the FAQ and googled through the mailing list's archives and I'm not seeing what appears to be a match for this problem. I'm completely new to stunnel. It built and runs just fine on one of my linux dev boxes, but on Solaris, I can't get it to run. Attempting to run /usr/local/sbin/stunnel, I get the following: ---begin output--- jabba% ./stunnel ld.so.1: ./stunnel: fatal: libssl.so.0.9.7: open failed: No such file or directory Killed ---end output--- The various debug switches to stunnel give the same output - it's dying before anything can be started, apparently. libssl.so.0.9.7 is located on that box at /usr/local/ssl/lib/libssl.so.0.9.7and other ssl functions of the system appear to work normally. I suspect that stunnel just doesn't know how to find it, but I'm at a loss as to how to tell it where to look. Can someone suggest my next steps please? Thank you, Dave Hinz

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Patch for stunnel 4.15 to support pgsql protocol
by Peter Kuma 23 Jun '06

23 Jun '06

Hi I've written a short patch for stunnel 4.15 adding support for PostgreSQL SSL negotiation. I hope it'll be useful. http://vcielka.rec.uniba.sk/~peter/stunnel-pgsql.patch PostgreSQL documentation explaining how to establish SSL connection: http://www.postgresql.org/docs/8.1/interactive/protocol-flow.html#AEN60652 http://www.postgresql.org/docs/8.1/interactive/protocol-message-formats.html Regards Peter Kuma

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enabling zlib compression
by ahall＠madasafish.com 23 Jun '06

23 Jun '06

Hi there, When I try to enable zlib compression at the server I get this error when starting it up... 2006.06.23 15:44:39 LOG3[3426:3086293504]: Failed to add zlib compression method How do I get zlib to work? Do I need to compile OpenSSL with zlib? I'm using Fedora Core 3 with stunnel-4.15, and OpenSSL and zlib are from RPM's. Thanks very much. ---- - Madasafish - Voted Best Heavy Consumer Broadband Provider in the 2006 Internet Industry Awards http://www.madasafish.com/

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Re: CRLPath not working (Michal Trojnara)
by Nagasundaram, Sekhar 15 Jun '06

15 Jun '06

Michael: We will give this also a shot. The workaround worked however. Much thanks Sekhar ---------------- Message: 4 Date: Tue, 13 Jun 2006 23:44:50 +0200 From: Michal Trojnara <Michal.Trojnara(a)mobi-com.net> Subject: Re: [stunnel-users] CRLPath not working To: stunnel-users(a)mirt.net Message-ID: <200606132344.53413.Michal.Trojnara(a)mobi-com.net> Content-Type: text/plain; charset="utf-8" On Tuesday 13 June 2006 02:14, Nagasundaram, Sekhar wrote: > Here are the configuration and the log files as you requested.... Thank you. Please try the following change: --- ctx.old 2006-06-13 23:33:29.000000000 +0200 +++ ctx.c 2006-06-13 23:35:33.000000000 +0200 @@ -460,6 +460,7 @@ s_log(LOG_DEBUG, "Loaded CRLs from %s", section->crl_file); } if(section->crl_dir) { + section->revocation_store->cache=0; lookup=X509_STORE_add_lookup(section->revocation_store, X509_LOOKUP_hash_dir()); if(!lookup) { BTW: Did my workaround work? Best regards, Mike

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