stunnel in RHEL 6.7 does not support TLS v1.2
Issue
In order to be PCI DSS 3.1 compliant, TLS v1.2 support is required for stunnel. However, if sslVersion option is configured as follows in the stunnel.conf file:
sslVersion = TLSv1.2
stunnel fails with the following error:
Starting stunnel: file stunnel.conf line 10: Incorrect version of SSL protocol
Environment
RHEL 6.7, stunnel-4.29-3.el6_6.1
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.
