How to disable outdated versions of SSL/TLS in Apache
From 30 June 2018, for PCI compatibility, site owners should refuse to support TLS 1.0. The TLS 1.0/1.1 and SSL 2.0/3.0 protocols are obsolete. They do not provide adequate protection for data transfer. In particular, TLS 1.0 is vulnerable to certain attacks. The above versions of the protocols must be removed in environments that require a high level of security.
