stunnel-users

3306 discussions

connect error 0 running on ARM platform
by FX35 10 Jan '14

10 Jan '14

Hello, Running stunnel 4.56 or 5.00 on an ARM platform (ARM926EJ) with Linux 2.6.36.4, I encounter the following error : the call to connect() return -1, but errno is set to 0 ! If stunnel is configured to use fork mode instead of pthread mode, the problem disapear. So it seems there is a problem, cross-compiling the program, with errno or __errno_location() in the program generated with pthread. I add the definition of _REENTRANT, without success ... (See $H1 at http://pauillac.inria.fr/~xleroy/linuxthreads/faq.html) Is somebody meet the same error ? Thanks for help. FWX.

2 1

What checks are made for verify=2
by Ender Erel 10 Jan '14

10 Jan '14

Hi All, I have been searching the web for information on what checks are made for verify=2 but I can't find any detailed information. What exactly goes on when I use verify=2 in client mode? Does stunnel only check if the certificate is signed by a valid CA? Or are any other X.509 attributes checked? Does it disallow settings like "CA=true"? I would really appreciate it if someone could point me where I can find about details of various verify levels. Thanks, Ender Erel

1 0

Stunnel cuts off message
by bernabei＠infinito.it 09 Jan '14

09 Jan '14

Hi,     I'd like to know why Stunnel cuts off messages. I use stunnel both the client and server side,the problem is that my client receives only a cutted off responce from the server,whose size turns out to be 18 KB. Hope an answer Thanks Chiara Bernabei

2 1

Error starting STunnel
by Ted Roeloffzen 09 Jan '14

09 Jan '14

Hi All, I've installed and configured my STunnel. But it won't start. The error i'm getting is: PEM_read_bio:no start line I use the certificate isn't valid, but it's a certificate that i received from a third party and should be correct. Do i have to add something to or alter the certificate so that STUnnel can work with it? kind regards, Ted

2 1

Stunnel should allow TLS v1.1, 1.2 in fips mode
by Douglas Harris (M) 07 Jan '14

07 Jan '14

Currently, stunnel only allows "sslVersion = TLSv1" when "fips = yes". TLSv1.1 and TLSv1.2 should also be permissible values for sslVersion in fips mode. -Doug

2 1

Invitation to connect on LinkedIn
by Manjula Hettiarachchi 30 Dec '13

30 Dec '13

LinkedIn ------------ stunnel, I'd like to add you to my professional network on LinkedIn. - Manjula Manjula Hettiarachchi CTO at UGEN Sri Lanka Confirm that you know Manjula Hettiarachchi: https://www.linkedin.com/e/7575ev-hptlhkon-2z/isd/18944228150/nRr0DNUW/?hs=… -- You are receiving Invitation to Connect emails. Click to unsubscribe: http://www.linkedin.com/e/7575ev-hptlhkon-2z/vyS7IfxEDIThLYYA4jSpNuY0D7kTJI… (c) 2012 LinkedIn Corporation. 2029 Stierlin Ct, Mountain View, CA 94043, USA.

1 0

After upgrading OpenSSL, stunnel times out trying to receive emails
by James Brown 23 Dec '13

23 Dec '13

I've upgraded the OpenSSL on my test mail server, and recompiled Stunnel. Now when Stunnel receives an email it gets stuck on the "SSL state (accept): before/accept initialization" step and times out after a few minutes. Log: 2013.12.24 10:42:58 LOG7[86137:140735299320160]: Service [ssmtp] accepted (FD=3) from 192.168.1.10:54839 2013.12.24 10:42:58 LOG7[86137:4392841216]: Service [ssmtp] started 2013.12.24 10:42:58 LOG7[86137:4392841216]: Waiting for a libwrap process 2013.12.24 10:42:58 LOG7[86137:4392841216]: Acquired libwrap process #1 2013.12.24 10:42:58 LOG7[86137:4392841216]: Releasing libwrap process #1 2013.12.24 10:42:58 LOG7[86137:4392841216]: Released libwrap process #1 2013.12.24 10:42:58 LOG7[86137:4392841216]: Service [ssmtp] permitted by libwrap from 192.168.1.10:54839 2013.12.24 10:42:58 LOG5[86137:4392841216]: Service [ssmtp] accepted connection from 192.168.1.10:54839 2013.12.24 10:42:58 LOG7[86137:4392841216]: SSL state (accept): before/accept initialization 2013.12.24 10:42:58 LOG7[86137:4392841216]: SNI: no virtual services defined 2013.12.24 10:42:58 LOG7[86137:4392841216]: SSL state (accept): SSLv3 read client hello A 2013.12.24 10:42:58 LOG7[86137:4392841216]: SSL state (accept): SSLv3 write server hello A 2013.12.24 10:42:58 LOG7[86137:4392841216]: SSL state (accept): SSLv3 write certificate A 2013.12.24 10:42:58 LOG7[86137:4392841216]: SSL state (accept): SSLv3 write key exchange A 2013.12.24 10:42:58 LOG7[86137:4392841216]: SSL state (accept): SSLv3 write server done A 2013.12.24 10:42:58 LOG7[86137:4392841216]: SSL state (accept): SSLv3 flush data 2013.12.24 10:42:58 LOG3[86137:4392841216]: SSL_accept: Peer suddenly disconnected 2013.12.24 10:42:58 LOG5[86137:4392841216]: Connection reset: 0 byte(s) sent to SSL, 0 byte(s) sent to socket 2013.12.24 10:42:58 LOG7[86137:4392841216]: Local socket (FD=3) closed 2013.12.24 10:42:58 LOG7[86137:4392841216]: Service [ssmtp] finished (0 left) 2013.12.24 10:42:58 LOG7[86137:140735299320160]: Service [ssmtp] accepted (FD=3) from 192.168.1.10:54840 2013.12.24 10:42:58 LOG7[86137:4392841216]: Service [ssmtp] started 2013.12.24 10:42:58 LOG7[86137:4392841216]: Waiting for a libwrap process 2013.12.24 10:42:58 LOG7[86137:4392841216]: Acquired libwrap process #1 2013.12.24 10:42:58 LOG7[86137:4392841216]: Releasing libwrap process #1 2013.12.24 10:42:58 LOG7[86137:4392841216]: Released libwrap process #1 2013.12.24 10:42:58 LOG7[86137:4392841216]: Service [ssmtp] permitted by libwrap from 192.168.1.10:54840 2013.12.24 10:42:58 LOG5[86137:4392841216]: Service [ssmtp] accepted connection from 192.168.1.10:54840 2013.12.24 10:42:58 LOG7[86137:4392841216]: SSL state (accept): before/accept initialization 2013.12.24 10:47:58 LOG6[86137:4392841216]: init_ssl: s_poll_wait: TIMEOUTbusy exceeded: sending reset 2013.12.24 10:47:58 LOG5[86137:4392841216]: Connection reset: 0 byte(s) sent to SSL, 0 byte(s) sent to socket 2013.12.24 10:47:58 LOG7[86137:4392841216]: Local socket (FD=3) closed 2013.12.24 10:47:58 LOG7[86137:4392841216]: Service [ssmtp] finished (0 left) Any suggestions? It was working fine before I upgraded OpenSSL to 1.00e. System is a Mac OS X 10.7.5 box. Thanks, James.

1 0

Error on attempt to launch Stunnel
by Tracy Drake - QI-C 20 Dec '13

20 Dec '13

Hello! I wonder if you can offer insight as to the significance of the following error on attempt to launch the new 4.56 Stunnel... [image: Inline image 1] Perhaps it was simply a botched/incomplete installation but I wanted to reach out before just attempting a reinstall. Thanks in advance! -- Tracy Drake CSM Senior Consultant GSA-FAS FAME Contractor URSA & INFOConnect Support & Training Team Lead 704-987-1211 tracy.drake(a)gsa.gov

2 1

Stunnel client cuts off the responce of the server
by bernabei＠infinito.it 19 Dec '13

19 Dec '13

Hi,  I use stunnel both the client and server side, but I have problem with server responces because my client app receive only a cut off responce from the server,whose size turns out to be 18 KB. I'd like to know if the BUFFSIZE constant is the maximum size of the message that a client can read.  What if the server sends a message that is bigger than the buffer size? the remaining byte are ignored? if so, how can I do?   Waiting for an answer Thanks in advance Chiara Bernabei

1 0

Reload configuration file in Windows service
by David O'Riva 17 Dec '13

17 Dec '13

Hi, Is there a command line method for instructing stunnel to reload its configuration file when running as a Windows service? I'm trying to use stunnel to replace MySQL's abysmal SSL support on a box that has no GUI interface at all (it will never be logged into interactively). I've poked through the source, and on Windows it looks like the only way to pass signals to it is through a private pipe that is created by and for the stunnel process. Also, does anyone know offhand if existing connections are left unmolested when a configuration reload happens? For production use, I really need to be able to update certs and add and remove components (stunnel services, I guess) without disturbing connections that are in progress. Thanks! -Dave

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