stunnel-users

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3315 discussions

Trying to get stunnel to verify remote server certificate
by William Wood 15 Jul '24

15 Jul '24

I have downloaded the remote certificates, and configured stunnel: client = no accept = 127.0.0.1:9400 connect = 192.111.85.171:9400 cert = C:\Certificates\gain-futures-chain.pem verifyChain = yes verifyPeer = yes checkHost = 192.111.85.171 checkIP = api.gainfutures.com sslVersion = TLSv1.1 options = NO_SSLv2 options = NO_SSLv3 OCSPaia = yes This results in the failure to initialize the tLS context: 2024.07.15 08:40:50 LOG7[service]: Found 1 ready file descriptor(s) 2024.07.15 08:40:50 LOG7[service]: FD=580 ifds=r-x ofds=r-- 2024.07.15 08:40:50 LOG7[service]: FD=640 ifds=r-x ofds=--- 2024.07.15 08:40:50 LOG7[service]: Dispatching a signal from the signal pipe 2024.07.15 08:40:50 LOG7[service]: Processing SIGNAL_RELOAD_CONFIG 2024.07.15 08:40:50 LOG6[service]: Initializing inetd mode configuration 2024.07.15 08:40:50 LOG7[service]: Running on Windows 6.2 2024.07.15 08:40:50 LOG5[service]: Reading configuration from file C:\Program Files (x86)\stunnel\config\stunnel.conf 2024.07.15 08:40:50 LOG5[service]: UTF-8 byte order mark not detected 2024.07.15 08:40:50 LOG5[service]: FIPS mode disabled 2024.07.15 08:40:50 LOG6[service]: Compression disabled 2024.07.15 08:40:50 LOG7[service]: No PRNG seeding was required 2024.07.15 08:40:50 LOG6[service]: Initializing service [GainFuturesConnect] 2024.07.15 08:40:50 LOG7[service]: Initializing context [GainFuturesConnect] 2024.07.15 08:40:50 LOG6[service]: OpenSSL security level is used: 2 2024.07.15 08:40:50 LOG7[service]: Ciphers: HIGH:!aNULL:!SSLv2:!DH:!kDHEPSK 2024.07.15 08:40:50 LOG7[service]: TLSv1.3 ciphersuites: TLS_AES_256_GCM_SHA384:TLS_AES_128_GCM_SHA256:TLS_CHACHA20_POLY1305_SHA256 2024.07.15 08:40:50 LOG7[service]: TLS options: 0x2100000 (+0x2000000, -0x0) 2024.07.15 08:40:50 LOG6[service]: Session resumption enabled 2024.07.15 08:40:50 LOG6[service]: Loading certificate from file: C:\Certificates\gain-futures-chain.pem 2024.07.15 08:40:50 LOG3[service]: error queue: ssl/ssl_rsa.c:472: error:0A080002:SSL routines::system lib 2024.07.15 08:40:50 LOG3[service]: error queue: crypto/bio/bss_file.c:300: error:10080002:BIO routines::system lib 2024.07.15 08:40:50 LOG3[service]: SSL_CTX_use_certificate_chain_file: crypto/bio/bss_file.c:297: error:80000002:system library::No such file or directory 2024.07.15 08:40:50 LOG3[service]: Service [GainFuturesConnect]: Failed to initialize TLS context 2024.07.15 08:40:50 LOG3[service]: Configuration failed 2024.07.15 08:40:50 LOG7[service]: Deallocating temporary section defaults 2024.07.15 08:40:50 LOG7[service]: Cleaning up context [(null)] 2024.07.15 08:40:50 LOG7[service]: Deallocating section [GainFuturesConnect] 2024.07.15 08:40:50 LOG7[service]: Cleaning up context [GainFuturesConnect] 2024.07.15 08:40:50 LOG3[service]: Failed to reload the configuration file This is the best I can gather regarding getting verification of the REMOTE certificate. The problem is that I am unable to connect if I cannot verify their certificate - they are not looking at my certificate. Any help would be appreciated. Thank you! -William Wood

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Help installing stunnel 5.72 as service in windows 10
by William Wood 04 Jul '24

04 Jul '24

Apparently to get stunnel to work, I have to install it as a service in Windows. In order to do this, I fire up a powershell, change directories to the stunnel\bin\, and run the command: .\stunnel -install This results in the error message: OpenSCManager: error 5: Access is denied Not sure what to do, as I am running as an administrator Any help would be appreciated Thanks -William Wood

2 2

How to connect to a website through a port
by William Wood 02 Jul '24

02 Jul '24

Hi - I am trying to connect securely to a website from a Windows 10 machine: gainfutures.com through the port: 9400 I am told I need to do this using SSL. I have a python script which successfully connects through their non-secure ports. I am given no other information about what is needed for the connection, so I am asking how to do this. I have added to the configuration file: accept=gainfutures.com:9400 connect=gainfutures:9400 The "accept" line results in the error: Can't assign requested address (WSAEADDRNOTAVAIL) (10049) the "connect" line has no effect in the messages. Any suggestions would be much appreciated. Thank you -WW

2 1

help connecting to a website through a port from Windows 10
by William Wood 02 Jul '24

02 Jul '24

1 0

How to specify OCSP responder URL in "server" mode?
by sbworkde＠gmail.com 02 Jul '24

02 Jul '24

I want to specify OCSP responder URL while stunnel in "server" mode. I tried to use the option "OCSP" in configuration file, but it only works in "client" mode. The OCSP responder URL is always read form AIA while stunnel is in "server" mode, even when I set "OCSPaia = no". Is there a way to specify OCSP resonder URL for "server" mode?

2 1

Stunnel with tinyproxy seem failed to forward
by jensen＠fixes.hk 29 Jun '24

29 Jun '24

Stunnel config client = no cert = /path/to/fullchain.pem key = /path/to/privkey.pem pid = /var/run/stunnel4/stunnel.pid debug = 7 output = /var/log/stunnel4/stunnel.log [tinyproxy] accept = 0.0.0.0:8443 connect = 127.0.0.1:7777 here's the log 2024.06.28 11:08:26 LOG7[main]: Found 1 ready file descriptor(s) 2024.06.28 11:08:26 LOG7[main]: FD=4 events=0x2001 revents=0x0 2024.06.28 11:08:26 LOG7[main]: FD=9 events=0x2001 revents=0x1 2024.06.28 11:08:26 LOG7[main]: Service [tinyproxy] accepted (FD=3) from X.X.X.X:42086 2024.06.28 11:08:26 LOG7[3]: Service [tinyproxy] started 2024.06.28 11:08:26 LOG7[3]: Setting local socket options (FD=3) 2024.06.28 11:08:26 LOG7[3]: Option TCP_NODELAY set on local socket 2024.06.28 11:08:26 LOG5[3]: Service [tinyproxy] accepted connection from X.X.X.X:42086 2024.06.28 11:08:26 LOG6[3]: Peer certificate not required 2024.06.28 11:08:26 LOG7[3]: TLS state (accept): before SSL initialization 2024.06.28 11:08:26 LOG3[3]: SSL_accept: ../ssl/record/ssl3_record.c:348: error:0A00009B:SSL routines::https proxy request 2024.06.28 11:08:26 LOG5[3]: Connection reset: 0 byte(s) sent to TLS, 0 byte(s) sent to socket 2024.06.28 11:08:26 LOG7[3]: local_rfd/local_wfd reset (FD=3) 2024.06.28 11:08:26 LOG7[3]: Local descriptor (FD=3) closed 2024.06.28 11:08:26 LOG7[3]: Service [tinyproxy] finished (0 left) on connect, I'm using server with OS Ubuntu16.04 with OpenSSL 1.1.1n 15 Mar 2022 (Library: OpenSSL 1.1.1 11 Sep 2018). using my other server (OS ubuntu 2X.) and my local (Mac OS), I'm able to connect to stunnel + tinyproxy successfully. it seems the issue within the server with Ubuntu16.04 or did I miss other config ?

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Devo Relay(Stunnel) -> Palo Alto Log Ingestion Configuration
by jeykipamca＠hotmail.com 14 Jun '24

14 Jun '24

Hi!, I am trying to ingest Palo Alto Firewall syslogs from Devo SIEM, to do that, I had to implement Stunnel on my relay server but in the installation part, I got this error message (I couldn't start stunnel service and I set all the configs as mentioned below links); devo-relay-server:/etc/stunnel# systemctl status stunnel4.service × stunnel4.service - LSB: Start or stop stunnel 4.x (TLS tunnel for network daemons) Loaded: loaded (/etc/init.d/stunnel4; generated) Active: failed (Result: exit-code) since Fri 2024-06-14 13:42:04 UTC; 58min ago Docs: man:systemd-sysv-generator(8) CPU: 27ms Jun 14 13:42:04 -devo-relay-server stunnel4[4032]: [.] Reading configuration from file /etc/stunnel/stunnel.conf Jun 14 13:42:04 -devo-relay-server stunnel4[4032]: [.] UTF-8 byte order mark not detected Jun 14 13:42:04 -devo-relay-server stunnel4[4032]: [!] /etc/stunnel/stunnel.conf:6: "setuid = test": Illegal UID Jun 14 13:42:04 -devo-relay-server stunnel4[4032]: [!] Configuration failed Jun 14 13:42:04 -devo-relay-server stunnel4[4032]: [ ] Deallocating temporary section defaults Jun 14 13:42:04 -devo-relay-server stunnel4[4018]: failed Jun 14 13:42:04 -devo-relay-server stunnel4[4018]: You should check that you have specified the pid= in you configuration file Jun 14 13:42:04 -devo-relay-server systemd[1]: stunnel4.service: Control process exited, code=exited, status=1/FAILURE Jun 14 13:42:04 -devo-relay-server systemd[1]: stunnel4.service: Failed with result 'exit-code'. Jun 14 13:42:04 -devo-relay-server systemd[1]: Failed to start LSB: Start or stop stunnel 4.x (TLS tunnel for network daemons). root@-devo-relay-server:/etc/stunnel# -------------------------------------------------------------- My conf file; /etc/stunnel/stunnel.conf ; ************************************************************************** ; * Global options * ; ************************************************************************** ; It is recommended to drop root privileges if stunnel is started by root setuid = test setgid = test ; PID file is created inside the chroot jail (if enabled) pid = /var/run/stunnel4/stunnel.pid ; Debugging stuff (may be useful for troubleshooting) ;foreground = yes ;debug = debug output = /var/log/stunnel4/stunnel.log [firewall_tunnel] client = no accept = 6515 connect = 127.0.0.1:13005 cert = /etc/pki/stunnel/cert_SyslogCert-Devo.pem verifyChain = yes verifyPeer = yes CAfile = /etc/pki/stunnel/cert_RootCA-Devo.crt -------------------------------------------------------------- /etc/default/stunnel4 file; # /etc/default/stunnel # Julien LEMOINE <speedblue(a)debian.org> # September 2003 ENABLED=1 FILES="/etc/stunnel/*.conf" OPTIONS="" # Change to one to enable ppp restart scripts PPP_RESTART=0 # Change to enable the setting of limits on the stunnel instances # For example, to set a large limit on file descriptors (to enable # more simultaneous client connections), set RLIMITS="-n 4096" # More than one resource limit may be modified at the same time, # e.g. RLIMITS="-n 4096 -d unlimited" RLIMITS="" -------------------------------------------------------------- Does anyone have knowledge about the issue? The links which I got support. https://docs.devo.com/space/latest/94663679/Sending+Palo+Alto+events+to+Dev… https://docs.devo.com/space/latest/96469881/Sending+SSL%2FTLS+encrypted+eve…

1 0

Can I use stunnel to create a proxy chain?
by Eugene Bos 11 Jun '24

11 Jun '24

Hello. I have a proxy with http/socks5 support but this configuration doesnt work: client = yes [my-proxy] accept = 127.0.0.1:9666 connect = proxy.com:10000 protocol = connect protocolHost = username__cr.ua:[email protected]:10000 I wanted to proxy requests sent to 127.0.0.1:9666 to username__cr.ua:p [email protected]:10000

1 0

help required with stunnel cipher set up
by Glick, Daniel 11 Jun '24

11 Jun '24

Classification: Restricted Dear All, Objective : We have been informed by Euroclear that we must use the following ciphers below with our stunnel connection to them TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 Server details : [cid:[email protected]] The required cipher has been defined as being the first in the list. [cid:[email protected]] Information security has confirmed that the cipher has been enabled [cid:[email protected]] However after rebooting the server and starting stunnel – the old ciphers are still being used [cid:[email protected]] Please can anyone point us in the right direction as to what we are doing wrong. Thank you Daniel Glick Application Specialist, Investment Management & Finance Platform Arbuthnot Latham & Co., Limited ********************************************************************** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the sender and delete it from your system. Internet communications are not secure and therefore Arbuthnot Latham & Co., Limited does not accept legal responsibility for the contents of this message or any damage sustained as a result of this email or its attachments. Any views or opinions presented are solely those of the author and do not necessarily represent those of Arbuthnot Latham & Co., Limited or any of its affiliates. Please take some time to read our Privacy Notice, which provides information on what personal data we collect from you, what we do with it and who it might be shared with. *********************************************************************** Arbuthnot Latham & Co., Limited Authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority. Arbuthnot Latham & Co., Limited, DIFC Branch, is regulated by the Dubai Financial Services Authority ("DFSA"). Registered in England and Wales 819519. Registered office: Arbuthnot House 7 Wilson Street London EC2M 2SN Tel : 020 7012 2500 Fax : 020 7012 2501 ************************************************************************

4 4

GRE over Stunnel
by marslogout＠gmail.com 17 May '24

17 May '24

Hello, is it possible to use GRE with Stunnel? I know that GRE is a protocol different from TCP, but I would like to hear your opinion on this matter. If GRE is not supported, would it be correct to replace it with PPTP without encryption?

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