Jun 30, 2021 · Above configuration is correct for proxying different TLS versions. There is no need to configure anything special for SSL/TLS within stunnel. stunnel -version stunnel 5.30 on x86_64-pc-linux-gnu platform This version is default on debian 10 when you install via sudo apt install stunnel. testssl.sh output of original server

Jan 27, 2020 · Thanks Patrick, it looks like its picking up the handshake Service [ ABC ] accepted connection from 192.168.38.7:56763 s_connect: connecting 123.111.172.34:8228 s ...

I'm trying to set up Stunnel to server as SSL cache. Everything was smooth, and mostly it works as designed. Then I encountered errors in log files: SSL_accept: 1408F10B: error:1408F10B:SSL routines:SSL3_GET_RECORD:wrong version number Not all clients trigger that, …

From what I recall, stunnel simply relies on the ulimit setting to find its limit in file descriptors. So you just have to do "ulimit -n 65536" and you'll get a client limit around 32000. Be careful though, as each SSL context can use a lot of memory.

Sep 24, 2015 · So I am using stunnel to talk to a SSL server. I would like to see the messages I am sending before they get encrypted and more importantly the messages I am receiving after they get decrypted. I turned on debug logging (level 7) but I still can't see the messages. Below the details: stunnel.conf

Oct 8, 2015 · protocolHost = ADDRESS host address for the protocol negotiations For the 'connect' protocol negotiations, protocolHost specifies HOST:PORT of the final TLS server to be connected to by the proxy. The proxy server directly connected by stunnel must be specified with the connect option. Thus we can piece this together:

Sep 18, 2014 · This is fine and great, however, I need to be able to ssh from the server down to the client via the established stunnel. Questions: Can I just ssh directly from the server over the existing stunnel connection (stunnel initiated by the client). This may require a stunnel config change, I'm just a little lost on what I should change.

Oct 29, 2019 · In Stunnel,I have this configuration: [ws] client = yes accept = 127.0.0.1:80 connect = webservice.it:443 I make a http request to 127.0.0.1:80 and I want that stunnel redirect to webservice.it:443. But it doesn't work. In the log I have this error:

Sep 12, 2014 · Running stunnel 5.03 on Windows 2008 R2. Everything is installed and working fine. I can even start/stop the service no problem... When I reboot my server stunnel service shows as started but nothing gets logged and none of my connections work. Once i restart the service through service manager, everything works. So on startup it doesn't seem ...

Aug 15, 2018 · In these directions for configuring Stunnel on Windows the following text appears : Copy a valid SSL public certificate to the directory "C:\Program Files (x86)\stunnel." To make things more trouble-free, combine the public key and private key certificates into one .PEM file.