[root@host~]# service stunnel restart
Shutting down stunnel: [ OK ]
Starting stunnel: [ OK ]
[root@host~]# stunnel -version
stunnel 5.27 on x86_64-unknown-linux-gnu platform
Compiled/running with OpenSSL 1.0.1e 11 Feb 2013
Threading:PTHREAD Sockets:POLL,IPv6 TLS:ENGINE,FIPS,OCSP,PSK,SNI