Jun 24, 2019

stunnel-5.41-1.el7 | Build Info | CentOS Community Build stunnel: Version: 5.41: Release: 1.el7: Epoch: Summary: A TLS-encrypting socket wrapper: Description: Stunnel is a socket wrapper which can provide TLS/SSL (Transport Layer Security/Secure Sockets Layer) support to ordinary applications. For example, it can be used in conjunction with imapd to create a TLS secure IMAP server. Built by: arrfab stunnel(8): universal SSL tunnel - Linux man page Description The stunnelprogram is designed to work as SSLencryption wrapper between remote clients and local (inetd-startable) or remote servers. The concept is that having non-SSL aware daemons running on your system you can easily set them up to communicate with clients over secure centos - Testing stunnel - tcpdump? - Unix & Linux Stack So I know it works on Ubuntu. I noticed during the install of stunnel it automatically created an 'stunnel4' user, group and service. So I guess I need to try that on Centos and see what happens. I finally got it to work on Centos. It turns out I thought I had turned the firewall off but I had not.

stunnel: Home

stunnel-5.41-1.el7 | Build Info | CentOS Community Build

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And here is stunnel.service changes for centos 7.6 : [Unit] Description=SSL tunnel for network daemons After=network.target After=syslog.target [Install] WantedBy=multi-user.target Alias=stunnel.target [Service] Type=forking ExecStart=/usr/bin/stunnel /etc/stunnel/stunnel.conf ExecStop=/usr/bin/pkill stunnel # Give up if ping don't get an answer TimeoutSec=600 Restart=always PrivateTmp=false