SSH over Stunnel basic setup for debian

stunnel.txt

Title       : SSH over Stunnel basic setup for debian
Date        : 03/09/2020
Author      : musha
Reference   : https://medium.com/@jayden.chua/stunnel-openvpn-server-on-ubuntu-18-04-1837eaf2077d
            : https://hamy.io/post/0012/how-to-install-and-configure-stunnel-on-ubuntu/#gsc.tab=0
            
         
$ apt install stunnel4
$ cd /etc/stunnel
$ openssl genrsa -out key.pem 2048
$ openssl req -new -x509 -key key.pem -out cert.pem -days 3650 
$ cat key.pem cert.pem >> stunnel.pem 
$ openssl pkcs12 -export -out stunnel.p12 -inkey key.pem -in cert.pem

## Configure stunnel server
$ echo -e '\xef\xbb\xbf; BOM composed of non printable characters. It is here, before the semicolon!' > /etc/stunnel/stunnel.conf
$ nano /etc/stunnel/stunnel.conf

pid = /var/run/stunnel4/stunnel.pid
output = /var/log/stunnel4/stunnel.log

setuid = stunnel4
setgid = stunnel4

# https://www.stunnel.org/faq.html
socket = r:TCP_NODELAY=1
socket = l:TCP_NODELAY=1

debug = 4

[ssh_tls-server]
accept = 443
connect = 127.0.0.1:44200
cert = /etc/stunnel/stunnel.pem

$ systemctl start stunnel4
$ systemctl enable stunnel4