stunnel-users

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5 participants
3293 discussions

Validation of certificate
by Edouard Dessioux 12 Feb '08

12 Feb '08

Hi everyone, I'm new to this mailing list, but before my asking question, i checked the archive but did not find anything related, so, it may be out of topic. Well, for the moment, I can't provide all the informations asked like « output of ... command », but I'm not sure this is relevant for my question. The informations I can provide are : * I use stunnel to terminate a tls connection between a mobile phone and a web application server. * I use stunnel to validate my clients certificates. * The stunnel will be running on a windows 2003 server * I guess I would be using the last available version of stunnel * The certificates would be generated by a PKI different from openssl What I would like to do is : I have a PKI already deployed with many certificates, and I want only a small subset of them to be validated by the stunnel. I thought of using multiples OU fields to « tags » some users, but can this fields be checked by stunnel ? Do you guys have any feedback on this or any alternative way to do something equivalent ? Regards, Edouard DESSIOUX Directeur de Projets Tibco Mobile 3, rue Danton - 92240 Malakoff Tél : +33 (0)1 55 58 04 59 - Fax : +33 (0)1 55 58 03 89 - Mob. +33 (0)6 34 02 61 54 E-mail : edessioux(a)tibco.fr - www.tibcomobile.fr Faites un geste pour la planète, n'imprimez ce message que si nécessaire.

1 0

signal 15 terminating stunnel on start in Ubuntu
by Rick Barry 11 Feb '08

11 Feb '08

I am trying to use Stunnel 4.2 on Ubuntu 7.1. When I use this command to start Stunnel: /etc/init.d/stunnel4 start I get this output: Starting SSL tunnels: 2008.02.11 09:00:05 LOG7[6780:3082872496]: RAND_status claims sufficient entropy for the PRNG 2008.02.11 09:00:05 LOG7[6780:3082872496]: PRNG seeded successfully 2008.02.11 09:00:05 LOG7[6780:3082872496]: SSL context initialized for service nntp [Failed: /etc/stunnel/stunnel.conf] You should check that you have specified the pid= in you configuration file In the log entry @ /var/log/stunnel4/stunnel.log: 2008.02.11 08:33:54 LOG5[5468:3082974896]: stunnel 4.20 on i486-pc-linux- gnu with OpenSSL 0.9.8e 23 Feb 2007 2008.02.11 08:33:54 LOG5[5468:3082974896]: ThreadingTHREAD SSL:ENGINE SocketsOLL,IPv6 Auth:LIBWRAP 2008.02.11 08:33:54 LOG6[5468:3082974896]: file ulimit = 1024 (can be changed with 'ulimit -n') 2008.02.11 08:33:54 LOG6[5468:3082974896]: poll() used - no FD_SETSIZE limit for file descriptors 2008.02.11 08:33:54 LOG5[5468:3082974896]: 500 clients allowed 2008.02.11 08:33:54 LOG7[5468:3082974896]: FD 4 in non-blocking mode 2008.02.11 08:33:54 LOG7[5468:3082974896]: FD 5 in non-blocking mode 2008.02.11 08:33:54 LOG7[5468:3082974896]: FD 6 in non-blocking mode 2008.02.11 08:33:54 LOG7[5468:3082974896]: SO_REUSEADDR option set on accept socket 2008.02.11 08:33:54 LOG7[5468:3082974896]: nntp bound to 127.0.0.1:119 2008.02.11 08:33:54 LOG7[5517:3082974896]: Created pid file /stunnel4.pid 2008.02.11 08:39:10 LOG5[5517:3082974896]: Received signal 15; terminating 2008.02.11 08:39:10 LOG7[5517:3082974896]: removing pid file /stunnel4.pid Signal 15 seems to be the linchpin here, but my research hasn't brought up anything conclusive. Any pointers? Thank you. Rick Barry ____________________________________________________________________________________ Looking for last minute shopping deals? Find them fast with Yahoo! Search. http://tools.search.yahoo.com/newsearch/category.php?category=shopping

1 0

Stunnel Problem - 935 Maximum connections on Windows
by Iain ＠ Mobile777 11 Feb '08

11 Feb '08

We are having some difficulties when using Stunnel under load. The maximum sessions running on a Windows servers seems to be set at 935 concurrent connections. Our system uses Stunnel to route incoming SSL traffic on port 443 through Openssl to a Java application on port 26789. Both Stunnel and the Java server run on a Windows 2003 server, with between 4GB and 8GB of ram, both running Dual Intel Zeon 2Ghz processors. The problem is that when the Stunnel server is under load, the maximum connections that we can achieve is 935 concurrent connections (Windows threads between 936 and 938), before Stunnel throws errors and starts closing the connections. Here is some additional information about our system: Stunnel version 4.21 (latest Windows binaries) OpenSSL 0.9.8g Stunnel Config: ----------------------------------------------------------------------- debug = 7 output = stunnel.log # Use it for client mode #client = yes #TIMEOUTidle = 60 socket = a:TCP_NODELAY=1 socket = a:SO_LINGER=a:0 socket = r:TCP_NODELAY=1 socket = r:SO_LINGER=r:0 socket = l:TCP_NODELAY=1 socket = l:SO_LINGER=l:0 # Service-level configuration [JAVASERVER] #session = 5000 accept = 443 connect = localhost: 26789 # delay = yes #transparent = yes ----------------------------------------------------------------------- We have tried various options, such as the TIMEOUTidle and session parameters for Stunnel, but with no luck. We have even tried running Stunnel separately on a Linux distro (FC4), with even less positive results. The pertinent errors in the log files are as follows: Connection closed: 178664 bytes sent to SSL, 44646 bytes sent to socket SSL alert (write): warning: close notify _beginthread: Exec format error (8) Connection rejected: create_client failed I can mail full logs of our load tests as well. Our server will be expected to handle upwards of 10000 connections at a time, we've been researching for about a week now how to get the performance we need, but so far nothing. Iain

3 3

Stunnel + Hybrid-ircd issues
by Strykar 09 Feb '08

09 Feb '08

Hi, I'm running Hybrid-7.2 on two PCs, one of which has a dynamic IP, as Hybrid wants a static IP and not hostname in its connect section, we are trying to use stunnel to encrypt server<->server communication. Server 1 specs (To which I'm connecting) running FreeBSD 6.3: *********************************************** #stunnel -version stunnel 4.05 on amd64-unknown-freebsd5.3 PTHREAD+LIBWRAP with OpenSSL 0.9.7e 25 Oct 2004 Global options cert = /usr/local/etc/stunnel/stunnel.pem ciphers = ALL:!ADH:+RC4:@STRENGTH debug = 5 key = /usr/local/etc/stunnel/stunnel.pem pid = /var/tmp/stunnel.pid RNDbytes = 64 RNDfile = /dev/urandom RNDoverwrite = yes #gcc -v Using built-in specs. Configured with: FreeBSD/amd64 system compiler Thread model: posix gcc version 3.4.6 [FreeBSD] 20060305 #uname FreeBSD 6.3-STABLE FreeBSD 6.3-STABLE #6: Tue Jan 22 13:23:51 GMT 2008 root@:/usr/obj/usr/src/sys/SVR1 amd64 Server 2 specs (From which I'm connecting via stunnel as a client) running OpenBSD 4.2: ****************************************************************** #stunnel -version stunnel 4.20 on i386-unknown-openbsd4.2 with OpenSSL 0.9.7j 04 May 2006 Threading:PTHREAD SSL:ENGINE Sockets:POLL,IPv6 Auth:LIBWRAP Global options debug = 5 pid = /usr/local/var/run/stunnel/stunnel.pid RNDbytes = 64 RNDfile = /dev/arandom RNDoverwrite = yes Service-level options cert = /etc/stunnel/stunnel.pem ciphers = ALL:!ADH:+RC4:@STRENGTH key = /etc/stunnel/stunnel.pem session = 300 seconds sslVersion = SSLv3 for client, all for server TIMEOUTbusy = 300 seconds TIMEOUTclose = 60 seconds TIMEOUTconnect = 10 seconds TIMEOUTidle = 43200 seconds verify = none # gcc -v Reading specs from /usr/lib/gcc-lib/i386-unknown-openbsd4.2/3.3.5/specs Configured with: Thread model: single gcc version 3.3.5 (propolice) # cat stunnel.conf: cert = /etc/ssl/private/stunnel.pem key = /etc/ssl/private/rsa.key setuid = _stunnel setgid = _stunnel pid = /var/run/stunnel.pid socket = l:TCP_NODELAY=1 socket = r:TCP_NODELAY=1 debug = 7 foreground = yes [irc] client = yes accept = localhost:994 connect = xxx.xxx.xxx.xxx:994 Here's the debug logged to stderr: # stunnel 2008.02.08 19:34:54 LOG7[11904:2237644800]: Snagged 64 random bytes from /dev/arandom 2008.02.08 19:34:54 LOG7[11904:2237644800]: RAND_status claims sufficient entropy for the PRNG 2008.02.08 19:34:54 LOG7[11904:2237644800]: PRNG seeded successfully 2008.02.08 19:34:54 LOG7[11904:2237644800]: Certificate: /etc/ssl/private/stunnel.pem 2008.02.08 19:34:54 LOG7[11904:2237644800]: Certificate loaded 2008.02.08 19:34:54 LOG7[11904:2237644800]: Key file: /etc/ssl/private/rsa.key 2008.02.08 19:34:54 LOG7[11904:2237644800]: Private key loaded 2008.02.08 19:34:54 LOG7[11904:2237644800]: SSL context initialized for service irc 2008.02.08 19:34:54 LOG5[11904:2237644800]: stunnel 4.20 on i386-unknown-openbsd4.2 with OpenSSL 0.9.7j 04 May 2006 2008.02.08 19:34:54 LOG5[11904:2237644800]: Threading:PTHREAD SSL:ENGINE Sockets:POLL,IPv6 Auth:LIBWRAP 2008.02.08 19:34:54 LOG6[11904:2237644800]: file ulimit = 128 (can be changed with 'ulimit -n') 2008.02.08 19:34:54 LOG6[11904:2237644800]: poll() used - no FD_SETSIZE limit for file descriptors 2008.02.08 19:34:54 LOG5[11904:2237644800]: 61 clients allowed 2008.02.08 19:34:54 LOG7[11904:2237644800]: FD 6 in non-blocking mode 2008.02.08 19:34:54 LOG7[11904:2237644800]: FD 7 in non-blocking mode 2008.02.08 19:34:54 LOG7[11904:2237644800]: FD 8 in non-blocking mode 2008.02.08 19:34:54 LOG7[11904:2237644800]: SO_REUSEADDR option set on accept socket 2008.02.08 19:34:54 LOG7[11904:2237644800]: irc bound to 127.0.0.1:994 2008.02.08 19:34:54 LOG7[11904:2237644800]: Created pid file /var/run/stunnel.pid 2008.02.08 19:35:15 LOG7[11904:2237644800]: irc accepted FD=9 from 127.0.0.1:8579 2008.02.08 19:35:15 LOG7[11904:2336256000]: irc started 2008.02.08 19:35:15 LOG7[11904:2336256000]: FD 9 in non-blocking mode 2008.02.08 19:35:15 LOG7[11904:2336256000]: TCP_NODELAY option set on local socket 2008.02.08 19:35:15 LOG7[11904:2336256000]: FD 10 in non-blocking mode 2008.02.08 19:35:15 LOG7[11904:2336256000]: FD 11 in non-blocking mode 2008.02.08 19:35:15 LOG7[11904:2336256000]: Connection from 127.0.0.1:8579 permitted by libwrap 2008.02.08 19:35:15 LOG5[11904:2336256000]: irc accepted connection from 127.0.0.1:8579 2008.02.08 19:35:15 LOG7[11904:2336256000]: FD 10 in non-blocking mode 2008.02.08 19:35:15 LOG7[11904:2336256000]: irc connecting 69.50.175.50:994 2008.02.08 19:35:15 LOG7[11904:2336256000]: connect_wait: waiting 10 seconds 2008.02.08 19:35:15 LOG7[11904:2237644800]: Cleaning up the signal pipe 2008.02.08 19:35:15 LOG6[11904:2237644800]: Child process 26562 finished with code 0 2008.02.08 19:35:15 LOG7[11904:2336256000]: connect_wait: connected 2008.02.08 19:35:15 LOG5[11904:2336256000]: irc connected remote server from 192.168.1.101:42954 2008.02.08 19:35:15 LOG7[11904:2336256000]: Remote FD=10 initialized 2008.02.08 19:35:15 LOG7[11904:2336256000]: TCP_NODELAY option set on remote socket 2008.02.08 19:35:15 LOG7[11904:2336256000]: SSL state (connect): before/connect initialization 2008.02.08 19:35:15 LOG7[11904:2336256000]: SSL state (connect): SSLv3 write client hello A 2008.02.08 19:35:15 LOG7[11904:2336256000]: SSL state (connect): SSLv3 read server hello A 2008.02.08 19:35:15 LOG7[11904:2336256000]: SSL state (connect): SSLv3 read server certificate A 2008.02.08 19:35:15 LOG7[11904:2336256000]: SSL state (connect): SSLv3 read server done A 2008.02.08 19:35:15 LOG7[11904:2336256000]: SSL state (connect): SSLv3 write client key exchange A 2008.02.08 19:35:15 LOG7[11904:2336256000]: SSL state (connect): SSLv3 write change cipher spec A 2008.02.08 19:35:15 LOG7[11904:2336256000]: SSL state (connect): SSLv3 write finished A 2008.02.08 19:35:15 LOG7[11904:2336256000]: SSL state (connect): SSLv3 flush data 2008.02.08 19:35:15 LOG7[11904:2336256000]: SSL state (connect): SSLv3 read finished A 2008.02.08 19:35:15 LOG7[11904:2336256000]: 1 items in the session cache 2008.02.08 19:35:15 LOG7[11904:2336256000]: 1 client connects (SSL_connect()) 2008.02.08 19:35:15 LOG7[11904:2336256000]: 1 client connects that finished 2008.02.08 19:35:15 LOG7[11904:2336256000]: 0 client renegotiations requested 2008.02.08 19:35:15 LOG7[11904:2336256000]: 0 server connects (SSL_accept()) 2008.02.08 19:35:15 LOG7[11904:2336256000]: 0 server connects that finished 2008.02.08 19:35:15 LOG7[11904:2336256000]: 0 server renegotiations requested 2008.02.08 19:35:15 LOG7[11904:2336256000]: 0 session cache hits 2008.02.08 19:35:15 LOG7[11904:2336256000]: 0 session cache misses 2008.02.08 19:35:15 LOG7[11904:2336256000]: 0 session cache timeouts 2008.02.08 19:35:15 LOG6[11904:2336256000]: SSL connected: new session negotiated 2008.02.08 19:35:15 LOG6[11904:2336256000]: Negotiated ciphers: AES256-SHA SSLv3 Kx=RSA Au=RSA Enc=AES(256) Mac=SHA1 2008.02.08 19:35:15 LOG3[11904:2336256000]: SSL_read: Connection reset by peer (54) 2008.02.08 19:35:15 LOG5[11904:2336256000]: Connection reset: 0 bytes sent to SSL, 0 bytes sent to socket 2008.02.08 19:35:15 LOG7[11904:2336256000]: irc finished (0 left) What is going on here with "SSL_read: Connection reset by peer (54)"? This process keeps repeating itself without the ircd's linking. - S

1 0

Verify Question
by Vlad 08 Feb '08

08 Feb '08

I'm sure that people have asked this question before, but i cannot find a way to search the archives. What is the difference between verify = 2 and verify = 3, The docs indicate that with verify = 3it will check against locally installed certs, but what does that mean, if I use =2 then what does it verify the cert against? Also a second question: I'm pretty sure that the answer is no but is it possible to do the following, have a cert A that is signed by CA cert B which itself is singed by a self-signed cert C. If the clients has C installed as a trusted cert, and it received A, is there anyway for it to validate A. I realize that these are probably pretty novice questions so I really appreciate your patience, thanks!

1 0

xforwardedfor in config
by Jill Rochelle 04 Feb '08

04 Feb '08

I am new to stunnel and the ssl world. I'm trying to get stunnel to work with haproxy for load balancing https requests. In the haproxy documentation it says that the stunnel.conf should look like this cert=/etc/stunnel/stunnel.pem setuid=stunnel setgid=proxy socket=l:TCP_NODELAY=1 socket=r:TCP_NODELAY=1 [https] accept=192.168.1.1:443 connect=192.168.1.1:80 xforwardedfor=yes However, when I try to start the stunnel service I get this Starting stunnel: file /etc/stunnel/stunnel.conf line 9: Specified option name is not valid here If I comment out the xforwardedfor parameter, it starts. Any help is greatly appreciated. Thank you, Jill Rochelle

2 2

2 secure sockets TCP (Server / Client) as posted earlier last month by khaled
by Dick van Fulpen 04 Feb '08

04 Feb '08

> Hi, > > I'm having the same question (and problem) as posted by khaled on Mon > Jan 7 19:31:03 CET 2008, subject [stunnel-users] 2 secure sockets TCP > (Server / Client). > > I think I have to send data to stunnel on the client side by a write > to localhost:1974 where stunnel is configured with this stunnel.conf: > ; Sample stunnel configuration file by Michal Trojnara 2002-2006 > ; Some options used here may not be adequate for your particular > configuration > ; Certificate/key is needed in server mode and optional in client mode > ; The default certificate is provided only for testing and should not > ; be used in a production environment > cert = stunnel.pem > ;key = stunnel.pem > > ; Some performance tunings > socket = l:TCP_NODELAY=1 > socket = r:TCP_NODELAY=1 > > ; Use it for client mode > ;client = yes > > ; Service-level configuration > [sip2s] > accept = 1975 > connect = 127.0.0.1:1974 > > To start stunnel only works with just stunnel. > Started from batch or in dos-box with the options -d -r etc. as > explained in the documentation does not work, error message: file not > found) > BTW: I'm using Windows XP Professional on both client and server. > Client IP = 10.4.208.159, server IP = 10.4.208.102 for a test set-up. > > On the server side it gives the same error when started with options. > stunnel.conf on the server is this: > ; Sample stunnel configuration file by Michal Trojnara 2002-2006 > ; Some options used here may not be adequate for your particular > configuration > ; Certificate/key is needed in server mode and optional in client mode > ; The default certificate is provided only for testing and should not > be used in a production environment > cert = stunnel.pem > ;key = stunnel.pem > > ; 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 > [sip2s] > accept = 1975 > connect = 127.0.0.1:1974 > > Reading data on TCP/IP 1974 does not display anything when the client > is sending data to localhost:1974 which is encrypted by stunnel an > forwarded on TCP/IP 1975. > At least that is my intention, but something I do is wrong. > Data sending unencrypted between client an server works fine, so > connection is possible. > > Any idea what I should do to let it work like this: > - a client sends data to a server and reads the response from this > server. > - all data on the network between client an server should be > encrypted. > As far as I could find in the stunnel manual it should be able to use > stunnel for this. > In the manual is an example using foo (client) and bar (server). > > Dick van Fulpen | Senior Software Engineer | Infor | Tel:+31 (0)73 > 6205 222 | Dick.vanFulpen(a)infor.com | Infor | Postbus 2067 | 5202 CB > 's-Hertogenbosch | Nederland | Bezoek onze website www.vubis-smart.com > | >

1 0

Connection Refused locally, SSL Proxy.
by Avner Peled 01 Feb '08

01 Feb '08

Hello! I have a game client connecting to a server using TCP over SSL. I'm trying to setup an SSL proxy using 2 stunnels on the same server like so: Client --> Stunnel-Server:20001 (decrypt)--> Stunnel-Client:901 (encrypt)---> Server:20001 Using latest stunnel-4.21-r1 on Gentoo kernel 2.6.22-gentoo-r9 I have a weird problem. The first connection after starting both stunnels works fine. Afterwards every time the client tries to connect, it gets refused once. Then it tries again and gets connected. Then the next time it will once again get refused once and then connect. I have looked at the logs and it seems the Stunnel server (the first) gets Connection Refused from localhost:901. Then it tries again and gets connected. The Stunnel client (the second) doesn't even mention the first failing local connection in the log. I have provided the config files of both stunnels and a log with debug = 7 (server ip's are censored) I have also tried the following config tweaks with no luck socket = l:TCP_NODELAY=1 socket = r:TCP_NODELAY=1 TIMEOUTclose = 0 retry = yes Any help would be appreciated. Thanks!! -- Avner Peled. avnerus(a)gmail.com

1 1

debug level 7
by Damian Wiest 25 Jan '08

25 Jan '08

Hi, I'm new to stunnel and have run into some unexpected behavior. I'm inclined to think it's a bug, but perhaps I'm misunderstanding some things. I'm running FreeBSD 6.2 with stunnel 4.21 (installed via ports collection). I'm able to configure things properly when using stunnel in daemon mode, but am unable to run stunnel from inetd when I set the debug level to 7. Here's the config file I'm using, cert = /usr/local/CA/stunnel.pem key = /usr/local/CA/stunnel.pem sslVersion = all pid = /var/log/swat-stunnel.pid debug = 7 output = /tmp/stunnel.log exec = /usr/local/sbin/swat execargs = swat ...and the inetd.conf entry, swat stream tcp nowait.400 root /usr/local/sbin/stunnel stunnel /usr/local/etc/stunnel/swat.conf If I connect to port 901, some debug messages are written to the socket, dwiest(a)dfwdamian.vail: telnet localhost 901 Trying ::1... telnet: connect to address ::1: Connection refused Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 2008.01.22 22:19:09 LOG7[81278:134651904]: Snagged 64 random bytes from /home/dwiest/.rnd 2008.01.22 22:19:09 LOG7[81278:134651904]: Wrote 1024 new random bytes to /home/dwiest/.rnd 2008.01.22 22:19:09 LOG7[81278:134651904]: RAND_status claims sufficient entropy for the PRNG 2008.01.22 22:19:09 LOG7[81278:134651904]: PRNG seeded successfully 2008.01.22 22:19:09 LOG7[81278:134651904]: Certificate: /usr/local/CA/stunnel.pem 2008.01.22 22:19:09 LOG7[81278:134651904]: Certificate loaded 2008.01.22 22:19:09 LOG7[81278:134651904]: Key file: /usr/local/CA/stunnel.pem 2008.01.22 22:19:09 LOG7[81278:134651904]: Private key loaded 2008.01.22 22:19:09 LOG7[81278:134651904]: SSL context initialized for service stunnel ^] telnet> q Connection closed. ...and some are written to the file I specified, dwiest(a)dfwdamian.vail: cat /tmp/stunnel.log 2008.01.22 22:19:09 LOG5[81278:134651904]: stunnel 4.21 on i386-unknown-freebsd6.2 with OpenSSL 0.9.7e-p1 25 Oct 2004 2008.01.22 22:19:09 LOG5[81278:134651904]: Threading:PTHREAD SSL:ENGINE Sockets:POLL,IPv6 Auth:LIBWRAP 2008.01.22 22:19:09 LOG7[81278:134651904]: stunnel started 2008.01.22 22:19:09 LOG7[81278:134651904]: FD 0 in non-blocking mode 2008.01.22 22:19:09 LOG7[81278:134651904]: FD 1 in non-blocking mode 2008.01.22 22:19:09 LOG7[81278:134651904]: stunnel permitted by libwrap from 127.0.0.1:53961 2008.01.22 22:19:09 LOG5[81278:134651904]: stunnel accepted connection from 127.0.0.1:53961 2008.01.22 22:19:09 LOG7[81278:134651904]: SSL state (accept): before/accept initialization 2008.01.22 22:19:11 LOG3[81278:134651904]: SSL_accept: Peer suddenly disconnected 2008.01.22 22:19:11 LOG5[81278:134651904]: Connection reset: 0 bytes sent to SSL, 0 bytes sent to socket 2008.01.22 22:19:11 LOG7[81278:134651904]: stunnel finished (0 left) If I run stunnel in daemon mode with the debug level set to 7, then the messages are printed to stderr. Shouldn't they go to either syslog, or to the file specified with the "output" option? I dug through the source code and discovered that file_putline() is being called from parse_config() before open_log() has been called. This results in file_putline() writing to stderr instead of the specified output file. If this is known behavior, then it would be nice if the man page mentioned something. -Damian

3 3

rtmps with stunnel
by David Schulberg 24 Jan '08

24 Jan '08

Hi, A while ago I reported an issue with using rtmps on linux to connect to a Red5 server through stunnel. I am having no issues on Windows. The rtmps connection is made from Flash code running in the browser. The error reported on Linux was 'SSL_accept: Peer suddenly disconnected' which occurs straight after 'SSL state (accept): before/accept initialization' . Now I am having a similar problem trying to connect from a MAC. In this case I also get 'SSL_accept: Peer suddenly disconnected' which occurs straight after 2008.01.24 16:39:31 LOG7[1608:2980]: SSL state (accept): before/accept initialization 2008.01.24 16:39:31 LOG7[1608:2980]: SSL state (accept): SSLv3 read client hello A 2008.01.24 16:39:31 LOG7[1608:2980]: SSL state (accept): SSLv3 write server hello A 2008.01.24 16:39:31 LOG7[1608:2980]: SSL state (accept): SSLv3 write certificate A 2008.01.24 16:39:31 LOG7[1608:2980]: SSL state (accept): SSLv3 write server done A 2008.01.24 16:39:31 LOG7[1608:2980]: SSL state (accept): SSLv3 flush data It seems to get further on the MAC but still fails. Regards, David

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stunnel-users