openssl genrsa -out private/sslkey.pem 1024
# openssl gendh -out certs/ssldhparam.pem 1024
openssl req -new -key private/sslkey.pem -out certs/sslcsr.pem
openssl x509 -req -days 365 -in certs/sslcsr.pem -signkey private/sslkey.pem -out certs/ssl.pem
cat private/sslkey.pem certs/ssl.pem certs/ssldhparam.pem > private/stunnel.pem
openssl x509 -noout -in certs/ssl.pem -text