stunnel-users

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3294 discussions

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

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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

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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

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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.

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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.

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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

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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

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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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Re: [stunnel-users] stunnel and Pegasus Mail
by sawbona＠flashmail.com 16 Dec '13

16 Dec '13

Hello: Thanks to all for your input. Much appreciated. On 15 Dec 2013 at 11:03, you wrote: To: sawbona(a)flashmail.com, Subject: Re: [stunnel-users] stunnel and Pegasus Mail > Just an added note. You need to restart the stunnel ... Yes. I was aware of that. > ... load it as part of the startup process. I have installed it to run as a service so that's what it does. > I would assume you are using windows ... Yes. =-/ > ... so would have to use the task manager to end the task ... Not needed. I have a taskbar icon that on left-click brings up a menu which, among other options, has one to edit and another one to reload the *.conf file. > You need to use a different set of ports for the gmx setup. That did it. =-) I have changed the configuration and it's working perfectly. I did not see the need to do this (maybe not read the manual often enough) but as the log file did not indicate any problems ... LOG5[1796:1960]: Reading configuration from file stunnel.conf LOG5[1796:1960]: FIPS mode is enabled LOG5[1796:1960]: Configuration successful ... I guessed it was something more complex. It would be nice if stunnel had the capability of showing (via the log file) an essential configuration mistake such as two POP3, SMTP or IMAP servers listening on the same ports. Once again, thanks for your input. Cheers, CIV PD: I am able to download mail from gmx.net serves via POP3 using Pegasus Mail and stunnel with no problems whatsoever. Sending mail requires the use of the POP3 userID/PW.

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stunnel and Calypso and GMX: Anyone out there where stunnel works with Calypso?
by greeksalad 16 Dec '13

16 Dec '13

Hallo Everybody! Thanks for 2 replies, which replied, that mail.gmx.net:465 is not a propper ssl server: well, i tried with another email client (Opera), sending AUTH PLAIN and AUTH LOGIN and both worked. So I tried all possible configs in Calypso to get a successful smtp login, but it fails everytime with the same err.msg(see below) The funny thing is, the getting mail, login pop.gmx.net:995 works perfect via stunnel, but smtp fails.... So I want to ask, if there is anyone out there, who works successully with CALYPSO, stunnel and GMX-Provider?? In case, please tell me your settings - would be great! Thanks Johann my last question: ------ trying hard to get stunnel worked with Calypso email client! When I only check emails, it works via stunnel at ssl port 995. But sending email fails with following message from Calypso: *** Sending pending mail from account xyz(a)gmx.net' @ 13.12.2013 01:54 *** Connecting to: '127.0.0.1' -> Successful Logging into the SMTP server as: "xxx" The server does not support any secure password authentication providers Disconnecting -> Successful Failed to send one or more pending messages. Smtp.c[287] Smtp.dll the config file via stunnel looks so: cert = stunnel.pem [gmx-pop3] client = yes accept = 127.0.0.1:108 connect = pop.gmx.net:995 [gmx-smtp] client = yes accept = 127.0.0.1:107 connect = mail.gmx.net:465 the mailserver- config of Calypso is so: pop3: 127.0.0.1 port 108 smtp: 127.0.0.1 port 107 smtp authentication method: user pop account.... So, I am really out of ideas to get the very best email client of the world - CALYPSO - running to send emails via ssl connection, wich my provider forces me to send via ssl from 1.jan.2014... Anyone can help? thanks allot! johann

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