- stunnel-users - stunnel.org

Re: [stunnel-users] outgoing mail solution?
by Parker Brooks 02 Jan '18

02 Jan '18

Douglas, it worked! Thank you! I had not turned on gmail's allow less secure apps, so my first try netted this 2018.01.02 09:00:27 LOG5[main]: stunnel 5.44 on x86-pc-msvc-1500 platform 2018.01.02 09:00:27 LOG5[main]: Compiled/running with OpenSSL 1.0.2m-fips 2 Nov 2017 2018.01.02 09:00:27 LOG5[main]: Threading:WIN32 Sockets:SELECT,IPv6 TLS:ENGINE,FIPS,OCSP,PSK,SNI 2018.01.02 09:00:27 LOG5[main]: Reading configuration from file stunnel.conf 2018.01.02 09:00:27 LOG5[main]: UTF-8 byte order mark not detected 2018.01.02 09:00:27 LOG5[main]: FIPS mode disabled 2018.01.02 09:00:27 LOG5[main]: Configuration successful 2018.01.02 09:03:09 LOG5[0]: Service [gmail-smtp] accepted connection from 127.0.0.1:1046 2018.01.02 09:03:09 LOG5[0]: s_connect: connected 173.194.78.108:587 2018.01.02 09:03:09 LOG5[0]: Service [gmail-smtp] connected remote server from 192.168.1.103:1047 2018.01.02 09:03:09 LOG5[0]: OCSP: Connecting the AIA responder " http://ocsp.pki.goog/gsr2" 2018.01.02 09:03:10 LOG5[0]: s_connect: connected 172.217.12.78:80 2018.01.02 09:03:10 LOG5[0]: OCSP: Certificate accepted 2018.01.02 09:03:10 LOG5[0]: OCSP: Connecting the AIA responder " http://ocsp.pki.goog/GTSGIAG3" 2018.01.02 09:03:10 LOG5[0]: s_connect: connected 172.217.12.78:80 2018.01.02 09:03:10 LOG5[0]: OCSP: Certificate accepted 2018.01.02 09:03:10 LOG5[0]: Certificate accepted at depth=0: C=US, ST=California, L=Mountain View, O=Google Inc, CN=smtp.gmail.com 2018.01.02 09:03:10 LOG3[0]: PLAIN Authentication Failed 2018.01.02 09:03:10 LOG5[0]: Connection reset: 0 byte(s) sent to TLS, 0 byte(s) sent to socket my monitoring s/w showed To = xxxxxx(a)gmail.com Connecting to mail server... 127.0.0.1 E-mail Failed. Error: 25058 / [10057] Socket is not connected 1/2/2018 9:03:10 AM there was a security alert from gmail with the instructions to enabling the less secure apps. turned it on and tried again... 2018.01.02 09:17:45 LOG5[1]: Service [gmail-smtp] accepted connection from 127.0.0.1:1050 2018.01.02 09:17:45 LOG5[1]: s_connect: connected 173.194.78.109:587 2018.01.02 09:17:45 LOG5[1]: Service [gmail-smtp] connected remote server from 192.168.1.103:1051 2018.01.02 09:17:47 LOG5[1]: Connection closed: 306 byte(s) sent to TLS, 508 byte(s) sent to socket again, thank you! On Tue, Jan 2, 2018 at 7:35 AM, Harris, Douglas (SSC/SPC) < douglas.harris(a)canada.ca> wrote: > Try this… > > > > [gmail-smtp] > > client = yes > > accept = 127.0.0.1:25 > > connect = smtp.gmail.com:587 <http://smtp.gmail.com:465> > > verifyChain = yes > > CAfile = ca-certs.pem > > checkHost = smtp.gmail.com > > OCSPaia = yes > > protocol = smtp > > protocolUsername = [your gmail userid] > > protocolPassword = [your gmail password] > > > > > > > > > > *From:* stunnel-users [mailto:stunnel-users-bounces@stunnel.org] *On > Behalf Of *Parker Brooks > *Sent:* January 2, 2018 12:34 AM > *To:* stunnel-users(a)stunnel.org > *Subject:* [stunnel-users] outgoing mail solution? > > > > hello and happy new year! > > > > it seemed this question has been asked before in various ways, however > with the frequent version updates i'm still unclear if stunnel is meant as > a fix to my issue. > > > > i have a outdated home monitoring program running on a winxp box. when an > error occurs it sends an email. it's setup screen (besides the destination > email field) only have a) smtp server, b) undeliverable email address and > c) port # fields to configure. > > > > my workaround for several years (when port 25 became blocked or needed > authetication) has been to use LOApost but they've recently ceased. that > program, also running in the background, and if i understand correctly > acted as a local host. i configured the monitoring program's smtp for > 127.0.0.1 and LOApost did the rest > > > > other searches suggest cloud solutions like sendgrid and authsmtp. but > those sites need a login/ password with the outgoing message. perhaps this > is where i'm getting confused between the differences of SSL and smtp > authentication? > > > > i have gotten gsuite's restricted smtp server to work, but i hoped stunnel > would provide a better solution (ability to send besides gmail/ gsuite > addresses). > > > > below are my conf and log files of my attempt. again, i can't tell if i've > missed a step, or if this is not intended to work. > > > > PS: i've also tried to understand if this feature is on the todo list? > > tia, > > parker > > > > stunnel.conf > > > > [gmail-pop3] > > client = yes > > accept = 127.0.0.1:110 > > connect = pop.gmail.com:995 > > verifyChain = yes > > CAfile = ca-certs.pem > > checkHost = pop.gmail.com > > OCSPaia = yes > > > > [gmail-imap] > > client = yes > > accept = 127.0.0.1:143 > > connect = imap.gmail.com:993 > > verifyChain = yes > > CAfile = ca-certs.pem > > checkHost = imap.gmail.com > > OCSPaia = yes > > > > [gmail-smtp] > > client = yes > > accept = 127.0.0.1:25 > > connect = smtp.gmail.com:465 > > verifyChain = yes > > CAfile = ca-certs.pem > > checkHost = smtp.gmail.com > > OCSPaia = yes > > > > log file > > > > 2017.12.31 16:22:45 LOG5[main]: stunnel 5.44 on x86-pc-msvc-1500 platform > > 2017.12.31 16:22:45 LOG5[main]: Compiled/running with OpenSSL 1.0.2m-fips > 2 Nov 2017 > > 2017.12.31 16:22:45 LOG5[main]: Threading:WIN32 Sockets:SELECT,IPv6 > TLS:ENGINE,FIPS,OCSP,PSK,SNI > > 2017.12.31 16:22:45 LOG5[main]: Reading configuration from file > stunnel.conf > > 2017.12.31 16:22:45 LOG5[main]: UTF-8 byte order mark not detected > > 2017.12.31 16:22:45 LOG5[main]: FIPS mode disabled > > 2017.12.31 16:22:45 LOG5[main]: Configuration successful > > 2017.12.31 16:25:03 LOG5[0]: Service [gmail-smtp] accepted connection from > 127.0.0.1:1141 > > 2017.12.31 16:25:03 LOG5[0]: s_connect: connected 173.194.67.108:465 > > 2017.12.31 16:25:03 LOG5[0]: Service [gmail-smtp] connected remote server > from 192.168.1.103:1142 > > 2017.12.31 16:25:03 LOG5[0]: OCSP: Connecting the AIA responder " > http://ocsp.pki.goog/gsr2" > > 2017.12.31 16:25:04 LOG5[0]: s_connect: connected 172.217.14.174:80 > > 2017.12.31 16:25:04 LOG5[0]: OCSP: Certificate accepted > > 2017.12.31 16:25:04 LOG5[0]: OCSP: Connecting the AIA responder " > http://ocsp.pki.goog/GTSGIAG3" > > 2017.12.31 16:25:04 LOG5[0]: s_connect: connected 172.217.14.174:80 > > 2017.12.31 16:25:04 LOG5[0]: OCSP: Certificate accepted > > 2017.12.31 16:25:04 LOG5[0]: Certificate accepted at depth=0: C=US, > ST=California, L=Mountain View, O=Google Inc, CN=smtp.gmail.com > > 2017.12.31 16:25:04 LOG5[0]: Connection closed: 55 byte(s) sent to TLS, > 514 byte(s) sent to socket > > > > > > and this is what shows up on my monitoring program log file... > > > > To = xxxxxx(a)gmail.com > > Connecting to mail server... 127.0.0.1 > > Sending message... > > E-mail Failed. Error: 20162 / 530 5.5.1 https://support.google.com/ > mail/?p=WantAuthError 51sm9558225oti.10 - gsmtp > > 12/31/2017 4:25:04 PM >

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Re: [stunnel-users] outgoing mail solution?
by Josealf.rm 02 Jan '18

02 Jan '18

Cool! I was not aware that stunnel fully supported SMTP authentication. Thanks Parker! Saludos Jose Alfredo Diaz > On Jan 2, 2018, at 8:35 AM, Harris, Douglas (SSC/SPC) <douglas.harris(a)canada.ca> wrote: > > Try this… > > [gmail-smtp] > client = yes > accept = 127.0.0.1:25 > connect = smtp.gmail.com:587 > verifyChain = yes > CAfile = ca-certs.pem > checkHost = smtp.gmail.com > OCSPaia = yes > protocol = smtp > protocolUsername = [your gmail userid] > protocolPassword = [your gmail password] > > > > > From: stunnel-users [mailto:stunnel-users-bounces@stunnel.org] On Behalf Of Parker Brooks > Sent: January 2, 2018 12:34 AM > To: stunnel-users(a)stunnel.org > Subject: [stunnel-users] outgoing mail solution? > > hello and happy new year! > > it seemed this question has been asked before in various ways, however with the frequent version updates i'm still unclear if stunnel is meant as a fix to my issue. > > i have a outdated home monitoring program running on a winxp box. when an error occurs it sends an email. it's setup screen (besides the destination email field) only have a) smtp server, b) undeliverable email address and c) port # fields to configure. > > my workaround for several years (when port 25 became blocked or needed authetication) has been to use LOApost but they've recently ceased. that program, also running in the background, and if i understand correctly acted as a local host. i configured the monitoring program's smtp for 127.0.0.1 and LOApost did the rest > > other searches suggest cloud solutions like sendgrid and authsmtp. but those sites need a login/ password with the outgoing message. perhaps this is where i'm getting confused between the differences of SSL and smtp authentication? > > i have gotten gsuite's restricted smtp server to work, but i hoped stunnel would provide a better solution (ability to send besides gmail/ gsuite addresses). > > below are my conf and log files of my attempt. again, i can't tell if i've missed a step, or if this is not intended to work. > > PS: i've also tried to understand if this feature is on the todo list? > tia, > parker > > stunnel.conf > > [gmail-pop3] > client = yes > accept = 127.0.0.1:110 > connect = pop.gmail.com:995 > verifyChain = yes > CAfile = ca-certs.pem > checkHost = pop.gmail.com > OCSPaia = yes > > [gmail-imap] > client = yes > accept = 127.0.0.1:143 > connect = imap.gmail.com:993 > verifyChain = yes > CAfile = ca-certs.pem > checkHost = imap.gmail.com > OCSPaia = yes > > [gmail-smtp] > client = yes > accept = 127.0.0.1:25 > connect = smtp.gmail.com:465 > verifyChain = yes > CAfile = ca-certs.pem > checkHost = smtp.gmail.com > OCSPaia = yes > > log file > > 2017.12.31 16:22:45 LOG5[main]: stunnel 5.44 on x86-pc-msvc-1500 platform > 2017.12.31 16:22:45 LOG5[main]: Compiled/running with OpenSSL 1.0.2m-fips 2 Nov 2017 > 2017.12.31 16:22:45 LOG5[main]: Threading:WIN32 Sockets:SELECT,IPv6 TLS:ENGINE,FIPS,OCSP,PSK,SNI > 2017.12.31 16:22:45 LOG5[main]: Reading configuration from file stunnel.conf > 2017.12.31 16:22:45 LOG5[main]: UTF-8 byte order mark not detected > 2017.12.31 16:22:45 LOG5[main]: FIPS mode disabled > 2017.12.31 16:22:45 LOG5[main]: Configuration successful > 2017.12.31 16:25:03 LOG5[0]: Service [gmail-smtp] accepted connection from 127.0.0.1:1141 > 2017.12.31 16:25:03 LOG5[0]: s_connect: connected 173.194.67.108:465 > 2017.12.31 16:25:03 LOG5[0]: Service [gmail-smtp] connected remote server from 192.168.1.103:1142 > 2017.12.31 16:25:03 LOG5[0]: OCSP: Connecting the AIA responder "http://ocsp.pki.goog/gsr2" > 2017.12.31 16:25:04 LOG5[0]: s_connect: connected 172.217.14.174:80 > 2017.12.31 16:25:04 LOG5[0]: OCSP: Certificate accepted > 2017.12.31 16:25:04 LOG5[0]: OCSP: Connecting the AIA responder "http://ocsp.pki.goog/GTSGIAG3" > 2017.12.31 16:25:04 LOG5[0]: s_connect: connected 172.217.14.174:80 > 2017.12.31 16:25:04 LOG5[0]: OCSP: Certificate accepted > 2017.12.31 16:25:04 LOG5[0]: Certificate accepted at depth=0: C=US, ST=California, L=Mountain View, O=Google Inc, CN=smtp.gmail.com > 2017.12.31 16:25:04 LOG5[0]: Connection closed: 55 byte(s) sent to TLS, 514 byte(s) sent to socket > > > and this is what shows up on my monitoring program log file... > > To = xxxxxx(a)gmail.com > Connecting to mail server... 127.0.0.1 > Sending message... > E-mail Failed. Error: 20162 / 530 5.5.1 https://support.google.com/mail/?p=WantAuthError 51sm9558225oti.10 - gsmtp > 12/31/2017 4:25:04 PM > _______________________________________________ > stunnel-users mailing list > stunnel-users(a)stunnel.org > https://www.stunnel.org/cgi-bin/mailman/listinfo/stunnel-users

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outgoing mail solution?
by Parker Brooks 02 Jan '18

02 Jan '18

hello and happy new year! it seemed this question has been asked before in various ways, however with the frequent version updates i'm still unclear if stunnel is meant as a fix to my issue. i have a outdated home monitoring program running on a winxp box. when an error occurs it sends an email. it's setup screen (besides the destination email field) only have a) smtp server, b) undeliverable email address and c) port # fields to configure. my workaround for several years (when port 25 became blocked or needed authetication) has been to use LOApost but they've recently ceased. that program, also running in the background, and if i understand correctly acted as a local host. i configured the monitoring program's smtp for 127.0.0.1 and LOApost did the rest other searches suggest cloud solutions like sendgrid and authsmtp. but those sites need a login/ password with the outgoing message. perhaps this is where i'm getting confused between the differences of SSL and smtp authentication? i have gotten gsuite's restricted smtp server to work, but i hoped stunnel would provide a better solution (ability to send besides gmail/ gsuite addresses). below are my conf and log files of my attempt. again, i can't tell if i've missed a step, or if this is not intended to work. PS: i've also tried to understand if this feature is on the todo list? tia, parker stunnel.conf [gmail-pop3] client = yes accept = 127.0.0.1:110 connect = pop.gmail.com:995 verifyChain = yes CAfile = ca-certs.pem checkHost = pop.gmail.com OCSPaia = yes [gmail-imap] client = yes accept = 127.0.0.1:143 connect = imap.gmail.com:993 verifyChain = yes CAfile = ca-certs.pem checkHost = imap.gmail.com OCSPaia = yes [gmail-smtp] client = yes accept = 127.0.0.1:25 connect = smtp.gmail.com:465 verifyChain = yes CAfile = ca-certs.pem checkHost = smtp.gmail.com OCSPaia = yes log file 2017.12.31 16:22:45 LOG5[main]: stunnel 5.44 on x86-pc-msvc-1500 platform 2017.12.31 16:22:45 LOG5[main]: Compiled/running with OpenSSL 1.0.2m-fips 2 Nov 2017 2017.12.31 16:22:45 LOG5[main]: Threading:WIN32 Sockets:SELECT,IPv6 TLS:ENGINE,FIPS,OCSP,PSK,SNI 2017.12.31 16:22:45 LOG5[main]: Reading configuration from file stunnel.conf 2017.12.31 16:22:45 LOG5[main]: UTF-8 byte order mark not detected 2017.12.31 16:22:45 LOG5[main]: FIPS mode disabled 2017.12.31 16:22:45 LOG5[main]: Configuration successful 2017.12.31 16:25:03 LOG5[0]: Service [gmail-smtp] accepted connection from 127.0.0.1:1141 2017.12.31 16:25:03 LOG5[0]: s_connect: connected 173.194.67.108:465 2017.12.31 16:25:03 LOG5[0]: Service [gmail-smtp] connected remote server from 192.168.1.103:1142 2017.12.31 16:25:03 LOG5[0]: OCSP: Connecting the AIA responder " http://ocsp.pki.goog/gsr2" 2017.12.31 16:25:04 LOG5[0]: s_connect: connected 172.217.14.174:80 2017.12.31 16:25:04 LOG5[0]: OCSP: Certificate accepted 2017.12.31 16:25:04 LOG5[0]: OCSP: Connecting the AIA responder " http://ocsp.pki.goog/GTSGIAG3" 2017.12.31 16:25:04 LOG5[0]: s_connect: connected 172.217.14.174:80 2017.12.31 16:25:04 LOG5[0]: OCSP: Certificate accepted 2017.12.31 16:25:04 LOG5[0]: Certificate accepted at depth=0: C=US, ST=California, L=Mountain View, O=Google Inc, CN=smtp.gmail.com 2017.12.31 16:25:04 LOG5[0]: Connection closed: 55 byte(s) sent to TLS, 514 byte(s) sent to socket and this is what shows up on my monitoring program log file... To = xxxxxx(a)gmail.com Connecting to mail server... 127.0.0.1 Sending message... E-mail Failed. Error: 20162 / 530 5.5.1 https://support.google.com/ mail/?p=WantAuthError 51sm9558225oti.10 - gsmtp 12/31/2017 4:25:04 PM

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Updating stunnel 5.43 to 5.44 fails on Win7prof(32)
by tagtraeumer 15 Dec '17

15 Dec '17

Hello, removing compression = zlib did fix the starting issue for v5.44, update worked, thanks. Is 'deflate' affected too? Is compression recommended at this stage of mail processing? Thanks once more, regards! > Hello, > The compression is not recommended with TLS because of the CRIME or > BREACH attacks. > From stunnel v 5.44 in Windows the zlib compression is not supported. > So you should remove the option: > compression = zlib > > If you want to use this compression, please place the file zlib1.dll > (from the previous version) in the stunnel / bin directory. > > Best regards, > Malgorzata

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Updating stunnel 5.43 to 5.44 fails on Win7prof(32)
by tagtraeumer 14 Dec '17

14 Dec '17

Hello, I did try updating stunnel 5.43 to 5.44 on a Win7prof (32bit) system, but it fails... Log before update (v5.43): 2017.12.14 20:46:39 LOG5[main]: stunnel 5.43 on x86-pc-msvc-1500 platform 2017.12.14 20:46:39 LOG5[main]: Compiled/running with OpenSSL 1.0.2m-fips 2 Nov 2017 2017.12.14 20:46:39 LOG5[main]: Threading:WIN32 Sockets:SELECT,IPv6 TLS:ENGINE,FIPS,OCSP,PSK,SNI 2017.12.14 20:46:39 LOG5[main]: Reading configuration from file stunnel.conf 2017.12.14 20:46:39 LOG5[main]: UTF-8 byte order mark detected 2017.12.14 20:46:39 LOG6[main]: UI not supported by engine #1 (capi) 2017.12.14 20:46:39 LOG6[main]: Engine #1 (capi) initialized 2017.12.14 20:46:39 LOG5[main]: FIPS mode disabled 2017.12.14 20:46:39 LOG6[main]: Compression enabled: 2 method(s) 2017.12.14 20:46:39 LOG6[main]: Initializing service [HostEurope_SMTPs] 2017.12.14 20:46:39 LOG6[main]: Loading certificate from file: stunnel.pem 2017.12.14 20:46:39 LOG6[main]: Certificate loaded from file: stunnel.pem 2017.12.14 20:46:39 LOG6[main]: Loading private key from file: stunnel.pem 2017.12.14 20:46:39 LOG6[main]: Private key loaded from file: stunnel.pem 2017.12.14 20:46:39 LOG4[main]: Service [HostEurope_SMTPs] uses "verifyChain" without subject checks 2017.12.14 20:46:39 LOG4[main]: Use "checkHost" or "checkIP" to restrict trusted certificates 2017.12.14 20:46:39 LOG5[main]: Configuration successful Log after 5.44 update: Pls refer to screenshot at: https://imgur.com/hCOKES7 "Invalid configuration file" errno: (*_errno()) stunnel.conf:65: ["name"]: Failed to initialize TLS How to solve this issue? Thx + regards!

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Exception 40000015 STATUS_FATAL_APP_EXIT
by alexwaskilledfriendlyfire＠gmail.com 11 Dec '17

11 Dec '17

Hello Stunnel-users, Well, I have a problem with latest stunnel-5.44-win32 build. Both GUI and console versions won't to start throwing unhandled exception: tstunnel.exe: Problem signature: Problem Event Name: APPCRASH Application Name: tstunnel.exe Application Version: 0.0.0.0 Application Timestamp: 5a18f4f5 Fault Module Name: tstunnel.exe Fault Module Version: 0.0.0.0 Fault Module Timestamp: 5a18f4f5 Exception Code: 40000015 Exception Offset: 0000e43d OS Version: 6.1.7601.2.1.0.256.4 Locale ID: 1049 Additional Information 1: 57b4 Additional Information 2: 57b4bc5bbe66a065d3bc087357c09646 Additional Information 3: f6bb Additional Information 4: f6bb7b9b6fcf2c5cdb238bc389e9ede9 And GUI version stunnel.exe: --------------------------- Microsoft Visual C++ Runtime Library --------------------------- Runtime Error! Program: C:\Progs\Stunnel\bin\stunnel.exe This application has requested the Runtime to terminate it in an unusual way. Please contact the application's support team for more information. --------------------------- OK --------------------------- Problem signature: Problem Event Name: APPCRASH Application Name: stunnel.exe Application Version: 5.44.0.0 Application Timestamp: 5a18f4f3 Fault Module Name: stunnel.exe Fault Module Version: 5.44.0.0 Fault Module Timestamp: 5a18f4f3 Exception Code: 40000015 Exception Offset: 0000e43d OS Version: 6.1.7601.2.1.0.256.4 Locale ID: 1049 Additional Information 1: 2de9 Additional Information 2: 2de98e0ccee9cc0b77f8fe3f51196ec8 Additional Information 3: 42db Additional Information 4: 42db6f5f1de1e71ee661917dbb7cc0c8 Completely fresh isntallation (or deleting config folder) doesn't solve my problem. My OS is legal Windows 7 x64 with latest updates. There are screenshots just for case. https://i.imgur.com/N1kPI9J.jpg https://i.imgur.com/CqMXWtx.jpg Probably I missing some DLL or service running but it's not an option to turn everything ON (and copy every single DLL ever made to my PC) to determine which one is not running. Probably it's something else. I need help. Thanks. -- Best regards, Alexwaskilledfriendlyfire mailto:alexwaskilledfriendlyfire@gmail.com

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[patch] Fix build with LibreSSL
by Piotr Kubaj 06 Dec '17

06 Dec '17

Building against LibreSSL currently fails. Could you commit this patch? It builds fine on FreeBSD 11.1-RELEASE against LibreSSL 2.6.3. Since it doesn't change anything for OpenSSL, it should build against it too. -- ______________________________________ / A nickel ain't worth a dime anymore. \ | | \ -- Yogi Berra / -------------------------------------- \ ^__^ \ (oo)\_______ (__)\ )\/\ ||----w | || ||

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possibility to delay connect to host
by Paavo Sild 04 Dec '17

04 Dec '17

Hello! I am a bit new to stunnel and while I tried to search the message archive I did not find any possible reference to the issue I try to solve. I am running a bit older version of stunnel as a simple reverse proxy. It accepts incoming TLS connection and opens clear TCP connection to a host specified by "connect" parameter in config. I wander - it is possible to delay the opening of TCP connection to a host until the actual data is received from client? I haven't found any reference to such a possibility in stunnel but thought that it worth to ask from community. The issue is that due to the nature of traffic there are instances then client negotiates the SSL connection but there is no actual data to be sent by the client. By opening the connection to host only when actual data is present would filter out unnecessary connections towards the application. Anybody had such an issue to solve? -- rgds, Paavo Sild --------------------- paavo.sild(a)estcard.ee ---------------------

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routines:ssl3_read_bytes:sslv3 alert certificate unknown
by Ziad Badawi 04 Dec '17

04 Dec '17

Greetings, I am trying to capture clear text pcaps from client (browser) - server (java appserver) traffic. The java appserver is jboss using https. I'm running jboss and stunnel on the same machine. # stunnel.conf debug = 3 foreground = yes [jboss] client = yes cert= stunnel.pem # generated using makecert.sh accept = 1234 connect = 127.0.0.1:443 Version: stunnel 5.44 on x86_64-pc-linux-gnu platform Compiled/running with OpenSSL 1.0.2k-fips 26 Jan 2017 Threading:PTHREAD Sockets:POLL,IPv6 TLS:ENGINE,FIPS,OCSP,PSK,SNI Global options: RNDbytes = 64 RNDfile = /dev/urandom RNDoverwrite = yes Service-level options: ciphers = FIPS (with "fips = yes") ciphers = HIGH:!DH:!aNULL:!SSLv2 (with "fips = no") curve = prime256v1 debug = daemon.notice logId = sequential options = NO_SSLv2 options = NO_SSLv3 sessionCacheSize = 1000 sessionCacheTimeout = 300 seconds stack = 65536 bytes TIMEOUTbusy = 300 seconds TIMEOUTclose = 60 seconds TIMEOUTconnect = 10 seconds TIMEOUTidle = 43200 seconds verify = none When I try to test it usng firefox by browsing to https://localhost:1234, FF returns "Secure Connection Failed" and stunnel spits 2017.12.01 20:35:10 LOG3[0]: SSL_connect: 14094416: error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown What am I missing / doing wrong? Regards Z

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Stunnel 5.43 problem
by Carter Browne 15 Nov '17

15 Nov '17

When running stunnel 5.43 on Linux 4.14 (arm), accept = port only listens on 127.0.0.1:port. I don't know if other operating systems are affected. Carter

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